{ "name": "AskCalculators", "version": "0.20.13", "count": 418, "calculators": [ { "id": "401k-calculator", "version": "7.0.0", "name": "401k Calculator", "shortName": "401k", "description": "Estimate the growth of your 401(k) retirement savings, including employer matching contributions.", "category": "Finance", "categorySlug": "finance", "keywords": [ "401k" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/401k-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/401k-calculator/", "definition": "/calculator/401k-calculator/definition.json", "schema": "/calculator/401k-calculator/schema.json", "llms": "/calculator/401k-calculator/llms.txt", "legacyDefinition": "/calculator/401k-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/401k-calculator/?salary=80000&contributionPercent=10&returnRate=7¤tBalance=50000&years=30&salaryIncrease=2&employerMatch=50&matchLimit=6", "queryParameters": { "salary": { "label": "Annual Salary", "type": "number", "required": false, "default": 80000 }, "contributionPercent": { "label": "Your Contribution", "type": "number", "required": false, "default": 10 }, "returnRate": { "label": "Annual Return", "type": "number", "required": false, "default": 7 }, "currentBalance": { "label": "Current Balance", "type": "number", "required": false, "default": 50000 }, "years": { "label": "Years to Grow", "type": "number", "required": false, "default": 30 }, "salaryIncrease": { "label": "Annual Salary Increase", "type": "number", "required": false, "default": 2 }, "employerMatch": { "label": "Match % of Contribution", "type": "number", "required": false, "default": 50 }, "matchLimit": { "label": "Match Limit (% of Salary)", "type": "number", "required": false, "default": 6 } }, "inputs": [ { "id": "salary", "label": "Annual Salary", "type": "number", "defaultValue": 80000 }, { "id": "contributionPercent", "label": "Your Contribution", "type": "number", "defaultValue": 10 }, { "id": "returnRate", "label": "Annual Return", "type": "number", "defaultValue": 7 }, { "id": "currentBalance", "label": "Current Balance", "type": "number", "defaultValue": 50000 }, { "id": "years", "label": "Years to Grow", "type": "number", "defaultValue": 30 }, { "id": "salaryIncrease", "label": "Annual Salary Increase", "type": "number", "defaultValue": 2 }, { "id": "employerMatch", "label": "Match % of Contribution", "type": "number", "defaultValue": 50 }, { "id": "matchLimit", "label": "Match Limit (% of Salary)", "type": "number", "defaultValue": 6 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Each year: balance = (balance + employee contribution + employer match) × (1 + annual return); salary and contributions then grow by their entered rates." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "salary": 80000, "contributionPercent": 10, "returnRate": 7, "currentBalance": 50000, "years": 30, "salaryIncrease": 2, "employerMatch": 50, "matchLimit": 6 } } ], "sources": [ { "label": "IRS 2026 retirement-plan limits", "url": "https://www.irs.gov/newsroom/401k-limit-increases-to-24500-for-2026-ira-limit-increases-to-7500" } ] }, { "id": "72t-calculator", "version": "7.0.0", "name": "72(t) Calculator", "shortName": "72(t)", "description": "Calculate Substantially Equal Periodic Payments (SEPP) to avoid early withdrawal penalties from IRAs.", "category": "Finance", "categorySlug": "finance", "keywords": [ "72t" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/72t-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "SEPP errors can trigger tax consequences. Obtain professional review before acting.", "urls": { "page": "/calculator/72t-calculator/", "definition": "/calculator/72t-calculator/definition.json", "schema": "/calculator/72t-calculator/schema.json", "llms": "/calculator/72t-calculator/llms.txt", "legacyDefinition": "/calculator/72t-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/72t-calculator/?balance=500000&age=50&rate=5", "queryParameters": { "balance": { "label": "Account Balance", "type": "number", "required": false, "default": 500000 }, "age": { "label": "Age", "type": "number", "required": false, "default": 50 }, "rate": { "label": "Reasonable Interest Rate", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "balance", "label": "Account Balance", "type": "number", "defaultValue": 500000 }, { "id": "age", "label": "Age", "type": "number", "defaultValue": 50 }, { "id": "rate", "label": "Reasonable Interest Rate", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "RMD method = account balance ÷ Single Life Expectancy factor; fixed-amortization method = balance × r ÷ [1 − (1+r)^(−life expectancy)].", "note": "Displays first-year estimates for two methods. A qualified tax professional should review any SEPP plan before distributions begin." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "balance": 500000, "age": 50, "rate": 5 } } ], "sources": [ { "label": "IRS Notice 2022-6 overview", "url": "https://www.irs.gov/irb/2022-05_IRB#NOT-2022-6" }, { "label": "IRS Publication 590-B", "url": "https://www.irs.gov/publications/p590b" } ] }, { "id": "activity-depreciation-calculator", "version": "1.0.0", "name": "Activity Depreciation Calculator", "shortName": "Activity Depreciation", "description": "Calculate depreciation from asset usage such as miles, machine cycles, or operating hours.", "category": "Finance", "categorySlug": "finance", "keywords": [ "activity", "depreciation", "calculator", "activity depreciation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/activity-depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Depreciation rules vary by jurisdiction and reporting purpose. This calculator is educational and is not tax advice.", "urls": { "page": "/calculator/activity-depreciation-calculator/", "definition": "/calculator/activity-depreciation-calculator/definition.json", "schema": "/calculator/activity-depreciation-calculator/schema.json", "llms": "/calculator/activity-depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/activity-depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/activity-depreciation-calculator/?cost=50000&salvageValue=5000&totalActivity=100000&priorActivity=20000&periodActivity=12000", "queryParameters": { "cost": { "label": "Asset cost", "type": "money", "required": true, "default": 50000 }, "salvageValue": { "label": "Salvage value", "type": "money", "required": true, "default": 5000 }, "totalActivity": { "label": "Estimated lifetime activity", "type": "number", "required": true, "default": 100000 }, "priorActivity": { "label": "Activity before this period", "type": "number", "required": true, "default": 20000 }, "periodActivity": { "label": "Activity this period", "type": "number", "required": true, "default": 12000 } }, "inputs": [ { "id": "cost", "label": "Asset cost", "type": "money", "required": true, "defaultValue": 50000, "min": 0, "step": 100 }, { "id": "salvageValue", "label": "Salvage value", "type": "money", "required": true, "defaultValue": 5000, "min": 0, "step": 100 }, { "id": "totalActivity", "label": "Estimated lifetime activity", "type": "number", "required": true, "defaultValue": 100000, "min": 0.000001, "step": 1 }, { "id": "priorActivity", "label": "Activity before this period", "type": "number", "required": true, "defaultValue": 20000, "min": 0, "step": 1 }, { "id": "periodActivity", "label": "Activity this period", "type": "number", "required": true, "defaultValue": 12000, "min": 0, "step": 1 } ], "outputs": [ { "id": "depreciationPerUnit", "label": "Depreciation per activity unit", "format": "currency", "primary": true, "digits": 6 }, { "id": "periodDepreciation", "label": "Current-period depreciation", "format": "currency" }, { "id": "accumulatedDepreciation", "label": "Accumulated depreciation", "format": "currency" }, { "id": "endingBookValue", "label": "Ending book value", "format": "currency" }, { "id": "remainingActivity", "label": "Remaining depreciable activity", "format": "number", "digits": 2 } ], "formula": { "expression": "depreciation per unit = (cost − salvage) ÷ total estimated activity" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 50000, "salvageValue": 5000, "totalActivity": 100000, "priorActivity": 20000, "periodActivity": 12000 } } ], "sources": [] }, { "id": "amortization-calculator", "version": "7.0.0", "name": "Amortization Calculator", "shortName": "Amortization", "description": "View your loan amortization schedule and see how your principal balance decreases over time.", "category": "Finance", "categorySlug": "finance", "keywords": [ "amortization" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/amortization-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/amortization-calculator/", "definition": "/calculator/amortization-calculator/definition.json", "schema": "/calculator/amortization-calculator/schema.json", "llms": "/calculator/amortization-calculator/llms.txt", "legacyDefinition": "/calculator/amortization-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/amortization-calculator/?amount=200000&rate=5&years=30", "queryParameters": { "amount": { "label": "Loan Amount ($)", "type": "number", "required": false, "default": 200000 }, "rate": { "label": "Interest Rate (%)", "type": "number", "required": false, "default": 5 }, "years": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 30 }, "startDate": { "label": "Start Date", "type": "date", "required": false } }, "inputs": [ { "id": "amount", "label": "Loan Amount ($)", "type": "number", "defaultValue": 200000 }, { "id": "rate", "label": "Interest Rate (%)", "type": "number", "defaultValue": 5 }, { "id": "years", "label": "Loan Term (Years)", "type": "number", "defaultValue": 30 }, { "id": "startDate", "label": "Start Date", "type": "date" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Payment uses the standard installment-loan formula; each month interest = balance × monthly rate and principal = payment − interest." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 200000, "rate": 5, "years": 30 } } ], "sources": [] }, { "id": "amortization-schedule-equal-principal-payments-calculator", "version": "1.0.0", "name": "Amortization Schedule Calculator: Equal Principal Payments", "shortName": "Amortization Schedule Calculator: Equal Pr", "description": "Create a loan schedule with the same principal amount paid every period and declining total payments.", "category": "Finance", "categorySlug": "finance", "keywords": [ "amortization", "schedule", "calculator", "equal", "principal", "payments", "amortization schedule equal principal payments calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/amortization-schedule-equal-principal-payments-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/amortization-schedule-equal-principal-payments-calculator/", "definition": "/calculator/amortization-schedule-equal-principal-payments-calculator/definition.json", "schema": "/calculator/amortization-schedule-equal-principal-payments-calculator/schema.json", "llms": "/calculator/amortization-schedule-equal-principal-payments-calculator/llms.txt", "legacyDefinition": "/calculator/amortization-schedule-equal-principal-payments-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/amortization-schedule-equal-principal-payments-calculator/?principal=100000&annualRate=6&paymentsPerYear=12&years=5", "queryParameters": { "principal": { "label": "Loan principal", "type": "money", "required": true, "default": 100000 }, "annualRate": { "label": "Annual interest rate", "type": "percent", "required": true, "default": 6 }, "paymentsPerYear": { "label": "Payments per year", "type": "number", "required": true, "default": 12 }, "years": { "label": "Loan term in years", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "principal", "label": "Loan principal", "type": "money", "required": true, "defaultValue": 100000, "min": 0.01, "step": 100 }, { "id": "annualRate", "label": "Annual interest rate", "type": "percent", "required": true, "defaultValue": 6, "min": 0, "max": 100, "step": 0.01 }, { "id": "paymentsPerYear", "label": "Payments per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 }, { "id": "years", "label": "Loan term in years", "type": "number", "required": true, "defaultValue": 5, "min": 0.01, "max": 100, "step": 0.25 } ], "outputs": [ { "id": "firstPayment", "label": "First payment", "format": "currency", "primary": true }, { "id": "lastPayment", "label": "Last payment", "format": "currency" }, { "id": "principalPerPayment", "label": "Principal per payment", "format": "currency" }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "totalPaid", "label": "Total paid", "format": "currency" }, { "id": "paymentCount", "label": "Number of payments", "format": "integer" } ], "formula": { "expression": "principal payment = original principal ÷ number of payments; interest = opening balance × periodic rate" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "principal": 100000, "annualRate": 6, "paymentsPerYear": 12, "years": 5 } } ], "sources": [] }, { "id": "annuity-calculator", "version": "7.0.0", "name": "Annuity Calculator", "shortName": "Annuity", "description": "Calculate the future value of a fixed annuity investment.", "category": "Finance", "categorySlug": "finance", "keywords": [ "annuity" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/annuity-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/annuity-calculator/", "definition": "/calculator/annuity-calculator/definition.json", "schema": "/calculator/annuity-calculator/schema.json", "llms": "/calculator/annuity-calculator/llms.txt", "legacyDefinition": "/calculator/annuity-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/annuity-calculator/?initialInvestment=50000&years=20&rate=5.5", "queryParameters": { "initialInvestment": { "label": "Initial Investment ($)", "type": "number", "required": false, "default": 50000 }, "years": { "label": "Growth Period (Years)", "type": "number", "required": false, "default": 20 }, "rate": { "label": "Annual Interest Rate (%)", "type": "number", "required": false, "default": 5.5 } }, "inputs": [ { "id": "initialInvestment", "label": "Initial Investment ($)", "type": "number", "defaultValue": 50000 }, { "id": "years", "label": "Growth Period (Years)", "type": "number", "defaultValue": 20 }, { "id": "rate", "label": "Annual Interest Rate (%)", "type": "number", "defaultValue": 5.5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Future value = initial investment × (1 + annual rate)^years; interest earned = future value − initial investment." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initialInvestment": 50000, "years": 20, "rate": 5.5 } } ], "sources": [] }, { "id": "annuity-on-loan-table-creator", "version": "1.0.0", "name": "Annuity on Loan Table Creator", "shortName": "Annuity on Loan Table Creator", "description": "Create an equal-payment loan amortization table for an ordinary annuity or annuity due.", "category": "Finance", "categorySlug": "finance", "keywords": [ "annuity", "on", "loan", "table", "creator", "annuity on loan table creator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/annuity-on-loan-table-creator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/annuity-on-loan-table-creator/", "definition": "/calculator/annuity-on-loan-table-creator/definition.json", "schema": "/calculator/annuity-on-loan-table-creator/schema.json", "llms": "/calculator/annuity-on-loan-table-creator/llms.txt", "legacyDefinition": "/calculator/annuity-on-loan-table-creator.json" }, "queryExample": "https://askcalculators.com/calculator/annuity-on-loan-table-creator/?principal=25000&annualRate=7.5&paymentsPerYear=12&years=4&paymentTiming=end", "queryParameters": { "principal": { "label": "Loan amount", "type": "money", "required": true, "default": 25000 }, "annualRate": { "label": "Annual nominal interest", "type": "percent", "required": true, "default": 7.5 }, "paymentsPerYear": { "label": "Payments per year", "type": "number", "required": true, "default": 12 }, "years": { "label": "Term in years", "type": "number", "required": true, "default": 4 }, "paymentTiming": { "label": "Payment timing", "type": "select", "required": true, "default": "end" } }, "inputs": [ { "id": "principal", "label": "Loan amount", "type": "money", "required": true, "defaultValue": 25000, "min": 0.01, "step": 100 }, { "id": "annualRate", "label": "Annual nominal interest", "type": "percent", "required": true, "defaultValue": 7.5, "min": 0, "max": 100, "step": 0.01 }, { "id": "paymentsPerYear", "label": "Payments per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 }, { "id": "years", "label": "Term in years", "type": "number", "required": true, "defaultValue": 4, "min": 0.01, "max": 100, "step": 0.25 }, { "id": "paymentTiming", "label": "Payment timing", "type": "select", "required": true, "defaultValue": "end", "options": [ { "label": "End of each period (ordinary)", "value": "end" }, { "label": "Beginning of each period (annuity due)", "value": "begin" } ] } ], "outputs": [ { "id": "payment", "label": "Periodic payment", "format": "currency", "primary": true }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "totalPaid", "label": "Total of payments", "format": "currency" }, { "id": "paymentCount", "label": "Number of payments", "format": "integer" }, { "id": "effectiveAnnualRate", "label": "Effective annual rate", "format": "percent", "digits": 6 } ], "formula": { "expression": "payment = PV × i ÷ [1 − (1+i)^−n], adjusted by ÷(1+i) for beginning-of-period payments" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "principal": 25000, "annualRate": 7.5, "paymentsPerYear": 12, "years": 4, "paymentTiming": "end" } } ], "sources": [] }, { "id": "annuity-payout-calculator", "version": "7.0.0", "name": "Annuity Payout Calculator", "shortName": "Annuity Payout", "description": "Calculate the monthly income you can receive from a fixed annuity.", "category": "Finance", "categorySlug": "finance", "keywords": [ "annuity", "payout" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/annuity-payout-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/annuity-payout-calculator/", "definition": "/calculator/annuity-payout-calculator/definition.json", "schema": "/calculator/annuity-payout-calculator/schema.json", "llms": "/calculator/annuity-payout-calculator/llms.txt", "legacyDefinition": "/calculator/annuity-payout-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/annuity-payout-calculator/?principal=250000&rate=5&years=20", "queryParameters": { "principal": { "label": "Investment Amount ($)", "type": "number", "required": false, "default": 250000 }, "rate": { "label": "Interest Rate (%)", "type": "number", "required": false, "default": 5 }, "years": { "label": "Payout Duration (Years)", "type": "number", "required": false, "default": 20 } }, "inputs": [ { "id": "principal", "label": "Investment Amount ($)", "type": "number", "defaultValue": 250000 }, { "id": "rate", "label": "Interest Rate (%)", "type": "number", "defaultValue": 5 }, { "id": "years", "label": "Payout Duration (Years)", "type": "number", "defaultValue": 20 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Monthly payout = P ÷ n when r = 0; otherwise P·r ÷ [1 − (1+r)^(−n)], where r is the monthly return and n is the number of monthly withdrawals." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "principal": 250000, "rate": 5, "years": 20 } } ], "sources": [] }, { "id": "apr-calculator", "version": "7.0.0", "name": "APR Calculator", "shortName": "APR", "description": "Calculate the Annual Percentage Rate (APR) of a loan, which includes interest and fees.", "category": "Finance", "categorySlug": "finance", "keywords": [ "apr" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/apr-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/apr-calculator/", "definition": "/calculator/apr-calculator/definition.json", "schema": "/calculator/apr-calculator/schema.json", "llms": "/calculator/apr-calculator/llms.txt", "legacyDefinition": "/calculator/apr-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/apr-calculator/?loanAmount=20000&interestRate=8&term=5&fees=500", "queryParameters": { "loanAmount": { "label": "Loan Amount", "type": "number", "required": false, "default": 20000 }, "interestRate": { "label": "Interest Rate", "type": "number", "required": false, "default": 8 }, "term": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 5 }, "fees": { "label": "Loan Fees / Costs", "type": "number", "required": false, "default": 500 } }, "inputs": [ { "id": "loanAmount", "label": "Loan Amount", "type": "number", "defaultValue": 20000 }, { "id": "interestRate", "label": "Interest Rate", "type": "number", "defaultValue": 8 }, { "id": "term", "label": "Loan Term (Years)", "type": "number", "defaultValue": 5 }, { "id": "fees", "label": "Loan Fees / Costs", "type": "number", "defaultValue": 500 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "APR is the annualized monthly discount rate that equates loan proceeds after fees with all scheduled monthly payments." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 20000, "interestRate": 8, "term": 5, "fees": 500 } } ], "sources": [] }, { "id": "apy-calculator", "version": "7.0.0", "name": "APY Calculator", "shortName": "APY", "description": "Convert an Annual Percentage Rate (APR) to Annual Percentage Yield (APY) based on compounding frequency.", "category": "Finance", "categorySlug": "finance", "keywords": [ "apy" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/apy-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/apy-calculator/", "definition": "/calculator/apy-calculator/definition.json", "schema": "/calculator/apy-calculator/schema.json", "llms": "/calculator/apy-calculator/llms.txt", "legacyDefinition": "/calculator/apy-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/apy-calculator/?rate=5&frequency=monthly", "queryParameters": { "rate": { "label": "Interest Rate (APR)", "type": "number", "required": false, "default": 5 }, "frequency": { "label": "Frequency", "type": "text", "required": false, "default": "monthly" } }, "inputs": [ { "id": "rate", "label": "Interest Rate (APR)", "type": "number", "defaultValue": 5 }, { "id": "frequency", "label": "Frequency", "type": "text", "defaultValue": "monthly" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "APY = (1 + nominal annual rate ÷ compounds per year)^(compounds per year) − 1." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "rate": 5, "frequency": "monthly" } } ], "sources": [] }, { "id": "asset-allocation-calculator", "version": "7.0.0", "name": "Asset Allocation Calculator", "shortName": "Asset Allocation", "description": "Visualize your portfolio's asset allocation.", "category": "Finance", "categorySlug": "finance", "keywords": [ "asset", "allocation" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/asset-allocation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This visualizes entered percentages; it does not recommend an investment mix.", "urls": { "page": "/calculator/asset-allocation-calculator/", "definition": "/calculator/asset-allocation-calculator/definition.json", "schema": "/calculator/asset-allocation-calculator/schema.json", "llms": "/calculator/asset-allocation-calculator/llms.txt", "legacyDefinition": "/calculator/asset-allocation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/asset-allocation-calculator/?stocks=60&bonds=30&cash=10&other=0", "queryParameters": { "stocks": { "label": "Stocks", "type": "number", "required": false, "default": 60 }, "bonds": { "label": "Bonds", "type": "number", "required": false, "default": 30 }, "cash": { "label": "Cash", "type": "number", "required": false, "default": 10 }, "other": { "label": "Other", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "stocks", "label": "Stocks", "type": "number", "defaultValue": 60 }, { "id": "bonds", "label": "Bonds", "type": "number", "defaultValue": 30 }, { "id": "cash", "label": "Cash", "type": "number", "defaultValue": 10 }, { "id": "other", "label": "Other", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Allocation total = stocks + bonds + cash + other; each allocation share is the entered amount divided by the total.", "note": "This visualizes entered percentages; it does not recommend an investment mix." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "stocks": 60, "bonds": 30, "cash": 10, "other": 0 } } ], "sources": [] }, { "id": "auto-lease-calculator", "version": "7.0.0", "name": "Auto Lease Calculator", "shortName": "Auto Lease", "description": "Calculate monthly auto lease payments based on negotiated price, residual value, and money factor.", "category": "Finance", "categorySlug": "finance", "keywords": [ "auto", "lease" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/auto-lease-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/auto-lease-calculator/", "definition": "/calculator/auto-lease-calculator/definition.json", "schema": "/calculator/auto-lease-calculator/schema.json", "llms": "/calculator/auto-lease-calculator/llms.txt", "legacyDefinition": "/calculator/auto-lease-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/auto-lease-calculator/?msrp=35000&negotiatedPrice=33000&downPayment=2000&term=36&residualValue=55&moneyFactor=0.0025&taxRate=7", "queryParameters": { "msrp": { "label": "MSRP (Sticker Price)", "type": "number", "required": false, "default": 35000 }, "negotiatedPrice": { "label": "Negotiated Price", "type": "number", "required": false, "default": 33000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 2000 }, "term": { "label": "Lease Term (Months)", "type": "number", "required": false, "default": 36 }, "residualValue": { "label": "Residual Value", "type": "number", "required": false, "default": 55 }, "moneyFactor": { "label": "Money Factor", "type": "number", "required": false, "default": 0.0025 }, "taxRate": { "label": "Sales Tax Rate", "type": "number", "required": false, "default": 7 } }, "inputs": [ { "id": "msrp", "label": "MSRP (Sticker Price)", "type": "number", "defaultValue": 35000 }, { "id": "negotiatedPrice", "label": "Negotiated Price", "type": "number", "defaultValue": 33000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 2000 }, { "id": "term", "label": "Lease Term (Months)", "type": "number", "defaultValue": 36 }, { "id": "residualValue", "label": "Residual Value", "type": "number", "defaultValue": 55 }, { "id": "moneyFactor", "label": "Money Factor", "type": "number", "defaultValue": 0.0025 }, { "id": "taxRate", "label": "Sales Tax Rate", "type": "number", "defaultValue": 7 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Monthly lease = depreciation charge + finance charge + monthly tax; depreciation = (capitalized cost − residual) ÷ term and finance charge = (capitalized cost + residual) × money factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "msrp": 35000, "negotiatedPrice": 33000, "downPayment": 2000, "term": 36, "residualValue": 55, "moneyFactor": 0.0025, "taxRate": 7 } } ], "sources": [] }, { "id": "auto-loan-calculator", "version": "7.0.0", "name": "Auto Loan Calculator", "shortName": "Auto Loan", "description": "Calculate your monthly car payments, factoring in trade-in value and sales tax.", "category": "Finance", "categorySlug": "finance", "keywords": [ "auto", "loan" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/auto-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/auto-loan-calculator/", "definition": "/calculator/auto-loan-calculator/definition.json", "schema": "/calculator/auto-loan-calculator/schema.json", "llms": "/calculator/auto-loan-calculator/llms.txt", "legacyDefinition": "/calculator/auto-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/auto-loan-calculator/?vehiclePrice=35000&downPayment=5000&tradeIn=2000&salesTax=7&interestRate=6.5&months=60", "queryParameters": { "vehiclePrice": { "label": "Vehicle Price", "type": "number", "required": false, "default": 35000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 5000 }, "tradeIn": { "label": "Trade-in Value", "type": "number", "required": false, "default": 2000 }, "salesTax": { "label": "Sales Tax", "type": "number", "required": false, "default": 7 }, "interestRate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6.5 }, "months": { "label": "Loan Term (Months)", "type": "number", "required": false, "default": 60 } }, "inputs": [ { "id": "vehiclePrice", "label": "Vehicle Price", "type": "number", "defaultValue": 35000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 5000 }, { "id": "tradeIn", "label": "Trade-in Value", "type": "number", "defaultValue": 2000 }, { "id": "salesTax", "label": "Sales Tax", "type": "number", "defaultValue": 7 }, { "id": "interestRate", "label": "Interest Rate", "type": "number", "defaultValue": 6.5 }, { "id": "months", "label": "Loan Term (Months)", "type": "number", "defaultValue": 60 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Tax = max(vehicle price − trade-in, 0) × sales-tax rate; financed amount = price + tax − down payment − trade-in; payment = P·r·(1+r)^n ÷ ((1+r)^n−1)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "vehiclePrice": 35000, "downPayment": 5000, "tradeIn": 2000, "salesTax": 7, "interestRate": 6.5, "months": 60 } } ], "sources": [] }, { "id": "average-return-calculator", "version": "7.0.0", "name": "Average Return Calculator", "shortName": "Average Return", "description": "Calculate the Arithmetic Mean and Geometric Mean (CAGR) of a series of investment returns.", "category": "Finance", "categorySlug": "finance", "keywords": [ "average", "return" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/average-return-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/average-return-calculator/", "definition": "/calculator/average-return-calculator/definition.json", "schema": "/calculator/average-return-calculator/schema.json", "llms": "/calculator/average-return-calculator/llms.txt", "legacyDefinition": "/calculator/average-return-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/average-return-calculator/?returns=10%2C+-5%2C+20%2C+8%2C+12", "queryParameters": { "returns": { "label": "Returns", "type": "text", "required": false, "default": "10, -5, 20, 8, 12" } }, "inputs": [ { "id": "returns", "label": "Returns", "type": "text", "defaultValue": "10, -5, 20, 8, 12" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Arithmetic return = sum of periodic returns ÷ count; geometric return = [product of (1 + each return)]^(1/count) − 1." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "returns": "10, -5, 20, 8, 12" } } ], "sources": [] }, { "id": "bid-ask-calculator", "version": "1.0.0", "name": "Bid-Ask Calculator", "shortName": "Bid-Ask", "description": "Calculate bid-ask spread, midpoint, spread percentage, and trade values for a quoted security.", "category": "Finance", "categorySlug": "finance", "keywords": [ "bid", "ask", "calculator", "bid ask calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bid-ask-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Market quotes can change rapidly. This calculator does not provide investment advice or executable pricing.", "urls": { "page": "/calculator/bid-ask-calculator/", "definition": "/calculator/bid-ask-calculator/definition.json", "schema": "/calculator/bid-ask-calculator/schema.json", "llms": "/calculator/bid-ask-calculator/llms.txt", "legacyDefinition": "/calculator/bid-ask-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bid-ask-calculator/?bidPrice=99.5&askPrice=100.1&quantity=100", "queryParameters": { "bidPrice": { "label": "Bid price", "type": "money", "required": true, "default": 99.5 }, "askPrice": { "label": "Ask price", "type": "money", "required": true, "default": 100.1 }, "quantity": { "label": "Quantity", "type": "number", "required": true, "default": 100 } }, "inputs": [ { "id": "bidPrice", "label": "Bid price", "type": "money", "required": true, "defaultValue": 99.5, "min": 0, "step": 0.01 }, { "id": "askPrice", "label": "Ask price", "type": "money", "required": true, "defaultValue": 100.1, "min": 0, "step": 0.01 }, { "id": "quantity", "label": "Quantity", "type": "number", "required": true, "defaultValue": 100, "min": 0, "step": 1 } ], "outputs": [ { "id": "spread", "label": "Bid-ask spread", "format": "currency", "primary": true, "digits": 6 }, { "id": "spreadPercentMidpoint", "label": "Spread as % of midpoint", "format": "percent", "digits": 6 }, { "id": "midpoint", "label": "Quote midpoint", "format": "currency", "digits": 6 }, { "id": "buyValue", "label": "Cost to buy at ask", "format": "currency" }, { "id": "sellValue", "label": "Proceeds to sell at bid", "format": "currency" }, { "id": "roundTripSpreadCost", "label": "Immediate spread cost", "format": "currency" } ], "formula": { "expression": "spread = ask − bid; spread % = spread ÷ midpoint × 100%" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "bidPrice": 99.5, "askPrice": 100.1, "quantity": 100 } } ], "sources": [] }, { "id": "boat-loan-calculator", "version": "7.0.0", "name": "Boat Loan Calculator", "shortName": "Boat Loan", "description": "Estimate monthly payments for a boat or yacht loan, which typically feature longer terms than auto loans.", "category": "Finance", "categorySlug": "finance", "keywords": [ "boat", "loan" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/boat-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/boat-loan-calculator/", "definition": "/calculator/boat-loan-calculator/definition.json", "schema": "/calculator/boat-loan-calculator/schema.json", "llms": "/calculator/boat-loan-calculator/llms.txt", "legacyDefinition": "/calculator/boat-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/boat-loan-calculator/?price=50000&downPayment=10000&rate=7.5&term=15", "queryParameters": { "price": { "label": "Boat Price", "type": "number", "required": false, "default": 50000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 10000 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 7.5 }, "term": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 15 } }, "inputs": [ { "id": "price", "label": "Boat Price", "type": "number", "defaultValue": 50000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 10000 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 7.5 }, { "id": "term", "label": "Loan Term (Years)", "type": "number", "defaultValue": 15 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Financed amount = boat price − down payment; monthly payment uses the standard installment-loan formula." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "price": 50000, "downPayment": 10000, "rate": 7.5, "term": 15 } } ], "sources": [] }, { "id": "bond-calculator", "version": "7.0.0", "name": "Bond Calculator", "shortName": "Bond", "description": "Calculate the theoretical price and current yield of a bond based on its coupon rate and yield to maturity.", "category": "Finance", "categorySlug": "finance", "keywords": [ "bond" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bond-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/bond-calculator/", "definition": "/calculator/bond-calculator/definition.json", "schema": "/calculator/bond-calculator/schema.json", "llms": "/calculator/bond-calculator/llms.txt", "legacyDefinition": "/calculator/bond-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bond-calculator/?faceValue=1000&couponRate=5&yearsToMaturity=10&ytm=4", "queryParameters": { "faceValue": { "label": "Face Value (Par)", "type": "number", "required": false, "default": 1000 }, "couponRate": { "label": "Annual Coupon Rate", "type": "number", "required": false, "default": 5 }, "yearsToMaturity": { "label": "Years to Maturity", "type": "number", "required": false, "default": 10 }, "ytm": { "label": "Yield to Maturity (Market Rate)", "type": "number", "required": false, "default": 4 } }, "inputs": [ { "id": "faceValue", "label": "Face Value (Par)", "type": "number", "defaultValue": 1000 }, { "id": "couponRate", "label": "Annual Coupon Rate", "type": "number", "defaultValue": 5 }, { "id": "yearsToMaturity", "label": "Years to Maturity", "type": "number", "defaultValue": 10 }, { "id": "ytm", "label": "Yield to Maturity (Market Rate)", "type": "number", "defaultValue": 4 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Coupon payment = face value × coupon rate ÷ payments per year; price is the present value of coupons plus the present value of face value at maturity." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "faceValue": 1000, "couponRate": 5, "yearsToMaturity": 10, "ytm": 4 } } ], "sources": [] }, { "id": "budget-calculator", "version": "7.0.0", "name": "Budget Calculator", "shortName": "Budget", "description": "Plan your monthly budget by categorizing income and expenses.", "category": "Finance", "categorySlug": "finance", "keywords": [ "budget" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/budget-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/budget-calculator/", "definition": "/calculator/budget-calculator/definition.json", "schema": "/calculator/budget-calculator/schema.json", "llms": "/calculator/budget-calculator/llms.txt", "legacyDefinition": "/calculator/budget-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/budget-calculator/?income=5000&housing=1500&food=600&transport=400&utilities=300&insurance=200&debt=500&savings=500&entertainment=200&other=300", "queryParameters": { "income": { "label": "Total Net Income", "type": "number", "required": false, "default": 5000 }, "housing": { "label": "Housing", "type": "number", "required": false, "default": 1500 }, "food": { "label": "Food & Dining", "type": "number", "required": false, "default": 600 }, "transport": { "label": "Transportation", "type": "number", "required": false, "default": 400 }, "utilities": { "label": "Utilities", "type": "number", "required": false, "default": 300 }, "insurance": { "label": "Insurance", "type": "number", "required": false, "default": 200 }, "debt": { "label": "Debt Payments", "type": "number", "required": false, "default": 500 }, "savings": { "label": "Savings/Invest", "type": "number", "required": false, "default": 500 }, "entertainment": { "label": "Entertainment", "type": "number", "required": false, "default": 200 }, "other": { "label": "Other", "type": "number", "required": false, "default": 300 } }, "inputs": [ { "id": "income", "label": "Total Net Income", "type": "number", "defaultValue": 5000 }, { "id": "housing", "label": "Housing", "type": "number", "defaultValue": 1500 }, { "id": "food", "label": "Food & Dining", "type": "number", "defaultValue": 600 }, { "id": "transport", "label": "Transportation", "type": "number", "defaultValue": 400 }, { "id": "utilities", "label": "Utilities", "type": "number", "defaultValue": 300 }, { "id": "insurance", "label": "Insurance", "type": "number", "defaultValue": 200 }, { "id": "debt", "label": "Debt Payments", "type": "number", "defaultValue": 500 }, { "id": "savings", "label": "Savings/Invest", "type": "number", "defaultValue": 500 }, { "id": "entertainment", "label": "Entertainment", "type": "number", "defaultValue": 200 }, { "id": "other", "label": "Other", "type": "number", "defaultValue": 300 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Total expenses = sum of entered spending; remaining cash = income − expenses; each category share = category amount ÷ income × 100." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "income": 5000, "housing": 1500, "food": 600, "transport": 400, "utilities": 300, "insurance": 200, "debt": 500, "savings": 500, "entertainment": 200, "other": 300 } } ], "sources": [] }, { "id": "business-loan-calculator", "version": "7.0.0", "name": "Business Loan Calculator", "shortName": "Business Loan", "description": "Calculate monthly payments and total costs for a business term loan, including origination fees.", "category": "Finance", "categorySlug": "finance", "keywords": [ "business", "loan" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/business-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/business-loan-calculator/", "definition": "/calculator/business-loan-calculator/definition.json", "schema": "/calculator/business-loan-calculator/schema.json", "llms": "/calculator/business-loan-calculator/llms.txt", "legacyDefinition": "/calculator/business-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/business-loan-calculator/?amount=100000&rate=8.5&term=5&fees=1500", "queryParameters": { "amount": { "label": "Loan Amount", "type": "number", "required": false, "default": 100000 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 8.5 }, "term": { "label": "Term (Years)", "type": "number", "required": false, "default": 5 }, "fees": { "label": "Origination Fees", "type": "number", "required": false, "default": 1500 } }, "inputs": [ { "id": "amount", "label": "Loan Amount", "type": "number", "defaultValue": 100000 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 8.5 }, { "id": "term", "label": "Term (Years)", "type": "number", "defaultValue": 5 }, { "id": "fees", "label": "Origination Fees", "type": "number", "defaultValue": 1500 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Payment uses the installment-loan formula; APR is the monthly discount rate that equates net proceeds after fees with all scheduled payments, multiplied by 12." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 100000, "rate": 8.5, "term": 5, "fees": 1500 } } ], "sources": [] }, { "id": "canadian-mortgage-calculator", "version": "7.0.0", "name": "Canadian Mortgage Calculator", "shortName": "Canadian Mortgage", "description": "Calculate mortgage payments for Canada, including CMHC insurance estimates and semi-annual compounding.", "category": "Finance", "categorySlug": "finance", "keywords": [ "canadian", "mortgage" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/canadian-mortgage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/canadian-mortgage-calculator/", "definition": "/calculator/canadian-mortgage-calculator/definition.json", "schema": "/calculator/canadian-mortgage-calculator/schema.json", "llms": "/calculator/canadian-mortgage-calculator/llms.txt", "legacyDefinition": "/calculator/canadian-mortgage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/canadian-mortgage-calculator/?homePrice=500000&downPayment=50000&rate=5&amortization=25&paymentFreq=monthly", "queryParameters": { "homePrice": { "label": "Home Price", "type": "number", "required": false, "default": 500000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 50000 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 5 }, "amortization": { "label": "Amortization (Years)", "type": "number", "required": false, "default": 25 }, "paymentFreq": { "label": "Payment Freq", "type": "text", "required": false, "default": "monthly" } }, "inputs": [ { "id": "homePrice", "label": "Home Price", "type": "number", "defaultValue": 500000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 50000 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 5 }, { "id": "amortization", "label": "Amortization (Years)", "type": "number", "defaultValue": 25 }, { "id": "paymentFreq", "label": "Payment Freq", "type": "text", "defaultValue": "monthly" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Canadian monthly rate = (1 + nominal rate ÷ 2)^(2/12) − 1; payment uses the amortizing-loan formula after any entered insurance estimate." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "homePrice": 500000, "downPayment": 50000, "rate": 5, "amortization": 25, "paymentFreq": "monthly" } } ], "sources": [] }, { "id": "cash-back-calculator", "version": "1.0.0", "name": "Cash Back Calculator", "shortName": "Cash back", "description": "Estimate gross and net cash back after an optional reward cap and annual fee.", "category": "Finance", "categorySlug": "finance", "keywords": [ "credit card rewards", "cashback", "reward rate", "annual fee" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cash-back-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/cash-back-calculator/", "definition": "/calculator/cash-back-calculator/definition.json", "schema": "/calculator/cash-back-calculator/schema.json", "llms": "/calculator/cash-back-calculator/llms.txt", "legacyDefinition": "/calculator/cash-back-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cash-back-calculator/?purchaseAmount=12000&cashBackRate=2", "queryParameters": { "purchaseAmount": { "label": "Eligible spending", "type": "money", "required": true, "default": 12000 }, "cashBackRate": { "label": "Cash back rate", "type": "percent", "required": true, "default": 2 }, "rewardCap": { "label": "Reward cap", "type": "money", "required": false }, "annualFee": { "label": "Annual fee", "type": "money", "required": false } }, "inputs": [ { "id": "purchaseAmount", "label": "Eligible spending", "type": "money", "required": true, "defaultValue": 12000, "min": 0, "step": 100, "width": "half" }, { "id": "cashBackRate", "label": "Cash back rate", "type": "percent", "required": true, "defaultValue": 2, "min": 0, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "rewardCap", "label": "Reward cap", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" }, { "id": "annualFee", "label": "Annual fee", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "netCashBack", "label": "Net cash back", "format": "currency", "primary": true }, { "id": "grossCashBack", "label": "Gross cash back", "format": "currency" }, { "id": "effectiveRate", "label": "Net reward rate", "format": "percent" }, { "id": "breakEvenSpend", "label": "Spend to cover annual fee", "format": "currency" } ], "formula": { "expression": "Net cash back = min(spending × reward rate, cap) − annual fee" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "purchaseAmount": 12000, "cashBackRate": 2 } } ], "sources": [] }, { "id": "cash-back-or-low-interest-calculator", "version": "7.0.0", "name": "Cash Back vs Low Interest", "shortName": "Cash Back vs Low Interest", "description": "Compare a cash back rebate with a higher interest rate versus a lower interest rate with no rebate.", "category": "Finance", "categorySlug": "finance", "keywords": [ "cash", "back", "or", "low", "interest" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cash-back-or-low-interest-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/cash-back-or-low-interest-calculator/", "definition": "/calculator/cash-back-or-low-interest-calculator/definition.json", "schema": "/calculator/cash-back-or-low-interest-calculator/schema.json", "llms": "/calculator/cash-back-or-low-interest-calculator/llms.txt", "legacyDefinition": "/calculator/cash-back-or-low-interest-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cash-back-or-low-interest-calculator/?price=35000&tradeIn=5000&term=60&cashBack=2500&highRate=6.5&lowRate=1.9", "queryParameters": { "price": { "label": "Vehicle Price", "type": "number", "required": false, "default": 35000 }, "tradeIn": { "label": "Trade-In / Down Payment", "type": "number", "required": false, "default": 5000 }, "term": { "label": "Loan Term (Months)", "type": "number", "required": false, "default": 60 }, "cashBack": { "label": "Cash Back Amount", "type": "number", "required": false, "default": 2500 }, "highRate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6.5 }, "lowRate": { "label": "Low Interest Rate", "type": "number", "required": false, "default": 1.9 } }, "inputs": [ { "id": "price", "label": "Vehicle Price", "type": "number", "defaultValue": 35000 }, { "id": "tradeIn", "label": "Trade-In / Down Payment", "type": "number", "defaultValue": 5000 }, { "id": "term", "label": "Loan Term (Months)", "type": "number", "defaultValue": 60 }, { "id": "cashBack", "label": "Cash Back Amount", "type": "number", "defaultValue": 2500 }, { "id": "highRate", "label": "Interest Rate", "type": "number", "defaultValue": 6.5 }, { "id": "lowRate", "label": "Low Interest Rate", "type": "number", "defaultValue": 1.9 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Cash-back cost = price − rebate + financing interest; low-rate cost = price financed at the promotional APR; the lower total cost wins." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "price": 35000, "tradeIn": 5000, "term": 60, "cashBack": 2500, "highRate": 6.5, "lowRate": 1.9 } } ], "sources": [] }, { "id": "cd-calculator", "version": "7.0.0", "name": "CD Calculator", "shortName": "CD", "description": "Calculate the earnings and total balance of a Certificate of Deposit (CD) over time.", "category": "Finance", "categorySlug": "finance", "keywords": [ "cd" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cd-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/cd-calculator/", "definition": "/calculator/cd-calculator/definition.json", "schema": "/calculator/cd-calculator/schema.json", "llms": "/calculator/cd-calculator/llms.txt", "legacyDefinition": "/calculator/cd-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cd-calculator/?deposit=10000&term=12&apy=4.5", "queryParameters": { "deposit": { "label": "Deposit Amount", "type": "number", "required": false, "default": 10000 }, "term": { "label": "Term Length (Months)", "type": "number", "required": false, "default": 12 }, "apy": { "label": "Annual Percentage Yield (APY)", "type": "number", "required": false, "default": 4.5 } }, "inputs": [ { "id": "deposit", "label": "Deposit Amount", "type": "number", "defaultValue": 10000 }, { "id": "term", "label": "Term Length (Months)", "type": "number", "defaultValue": 12 }, { "id": "apy", "label": "Annual Percentage Yield (APY)", "type": "number", "defaultValue": 4.5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Balance is compounded monthly: future value = principal × (1 + annual rate ÷ 12)^(12 × years)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "deposit": 10000, "term": 12, "apy": 4.5 } } ], "sources": [] }, { "id": "checkbook-balance-calculator", "version": "1.0.0", "name": "Checkbook Balance Calculator", "shortName": "Checkbook Balance", "description": "Reconcile a bank statement balance with outstanding checks, deposits in transit, fees, interest, and the check register.", "category": "Finance", "categorySlug": "finance", "keywords": [ "checkbook", "balance", "calculator", "checkbook balance calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/checkbook-balance-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/checkbook-balance-calculator/", "definition": "/calculator/checkbook-balance-calculator/definition.json", "schema": "/calculator/checkbook-balance-calculator/schema.json", "llms": "/calculator/checkbook-balance-calculator/llms.txt", "legacyDefinition": "/calculator/checkbook-balance-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/checkbook-balance-calculator/?statementBalance=2500&depositsInTransit=750&outstandingChecks=425&bankInterest=5&bankFees=12®isterBalance=2820", "queryParameters": { "statementBalance": { "label": "Bank statement ending balance", "type": "money", "required": true, "default": 2500 }, "depositsInTransit": { "label": "Deposits not on statement", "type": "money", "required": true, "default": 750 }, "outstandingChecks": { "label": "Checks not cleared", "type": "money", "required": true, "default": 425 }, "bankInterest": { "label": "Interest or credits not in register", "type": "money", "required": true, "default": 5 }, "bankFees": { "label": "Fees or debits not in register", "type": "money", "required": true, "default": 12 }, "registerBalance": { "label": "Check register balance before adjustments", "type": "money", "required": true, "default": 2820 } }, "inputs": [ { "id": "statementBalance", "label": "Bank statement ending balance", "type": "money", "required": true, "defaultValue": 2500, "step": 0.01 }, { "id": "depositsInTransit", "label": "Deposits not on statement", "type": "money", "required": true, "defaultValue": 750, "min": 0, "step": 0.01 }, { "id": "outstandingChecks", "label": "Checks not cleared", "type": "money", "required": true, "defaultValue": 425, "min": 0, "step": 0.01 }, { "id": "bankInterest", "label": "Interest or credits not in register", "type": "money", "required": true, "defaultValue": 5, "min": 0, "step": 0.01 }, { "id": "bankFees", "label": "Fees or debits not in register", "type": "money", "required": true, "defaultValue": 12, "min": 0, "step": 0.01 }, { "id": "registerBalance", "label": "Check register balance before adjustments", "type": "money", "required": true, "defaultValue": 2820, "step": 0.01 } ], "outputs": [ { "id": "adjustedBankBalance", "label": "Adjusted bank balance", "format": "currency", "primary": true }, { "id": "adjustedRegisterBalance", "label": "Adjusted register balance", "format": "currency" }, { "id": "difference", "label": "Reconciliation difference", "format": "currency" }, { "id": "status", "label": "Reconciliation status", "format": "text" } ], "formula": { "expression": "adjusted bank = statement + deposits in transit − outstanding checks; adjusted register = register + credits − fees" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "statementBalance": 2500, "depositsInTransit": 750, "outstandingChecks": 425, "bankInterest": 5, "bankFees": 12, "registerBalance": 2820 } } ], "sources": [] }, { "id": "checkbook-calculator", "version": "1.0.0", "name": "Checkbook Calculator", "shortName": "Checkbook", "description": "Apply a list of deposits and withdrawals to an opening balance and create a running register.", "category": "Finance", "categorySlug": "finance", "keywords": [ "checkbook", "calculator", "checkbook calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/checkbook-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/checkbook-calculator/", "definition": "/calculator/checkbook-calculator/definition.json", "schema": "/calculator/checkbook-calculator/schema.json", "llms": "/calculator/checkbook-calculator/llms.txt", "legacyDefinition": "/calculator/checkbook-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/checkbook-calculator/?openingBalance=1000&transactions=250%2C+-42.75%2C+-85.20%2C+500%2C+-12.99", "queryParameters": { "openingBalance": { "label": "Opening balance", "type": "money", "required": true, "default": 1000 }, "transactions": { "label": "Transactions", "type": "text", "required": true, "default": "250, -42.75, -85.20, 500, -12.99" } }, "inputs": [ { "id": "openingBalance", "label": "Opening balance", "type": "money", "required": true, "defaultValue": 1000, "step": 0.01 }, { "id": "transactions", "label": "Transactions", "type": "text", "required": true, "defaultValue": "250, -42.75, -85.20, 500, -12.99", "placeholder": "Comma-separated; deposits positive, payments negative" } ], "outputs": [ { "id": "endingBalance", "label": "Ending balance", "format": "currency", "primary": true }, { "id": "totalDeposits", "label": "Total deposits", "format": "currency" }, { "id": "totalWithdrawals", "label": "Total withdrawals", "format": "currency" }, { "id": "transactionCount", "label": "Transactions", "format": "integer" }, { "id": "lowestBalance", "label": "Lowest running balance", "format": "currency" } ], "formula": { "expression": "ending balance = opening balance + sum of signed transactions" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "openingBalance": 1000, "transactions": "250, -42.75, -85.20, 500, -12.99" } } ], "sources": [] }, { "id": "college-cost-calculator", "version": "7.0.0", "name": "College Cost Calculator", "shortName": "College Cost", "description": "Estimate the future cost of college and determine if your current savings plan is on track.", "category": "Finance", "categorySlug": "finance", "keywords": [ "college", "cost" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/college-cost-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/college-cost-calculator/", "definition": "/calculator/college-cost-calculator/definition.json", "schema": "/calculator/college-cost-calculator/schema.json", "llms": "/calculator/college-cost-calculator/llms.txt", "legacyDefinition": "/calculator/college-cost-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/college-cost-calculator/?childAge=5&collegeAge=18&annualCost=25000&yearsInCollege=4¤tSavings=10000&monthlyContribution=500&returnRate=6&inflationRate=3", "queryParameters": { "childAge": { "label": "Child's Current Age", "type": "number", "required": false, "default": 5 }, "collegeAge": { "label": "College Start Age", "type": "number", "required": false, "default": 18 }, "annualCost": { "label": "Annual Cost (Today)", "type": "number", "required": false, "default": 25000 }, "yearsInCollege": { "label": "Years in College", "type": "number", "required": false, "default": 4 }, "currentSavings": { "label": "Current Savings", "type": "number", "required": false, "default": 10000 }, "monthlyContribution": { "label": "Monthly Contribution", "type": "number", "required": false, "default": 500 }, "returnRate": { "label": "Exp. Return", "type": "number", "required": false, "default": 6 }, "inflationRate": { "label": "Inflation", "type": "number", "required": false, "default": 3 } }, "inputs": [ { "id": "childAge", "label": "Child's Current Age", "type": "number", "defaultValue": 5 }, { "id": "collegeAge", "label": "College Start Age", "type": "number", "defaultValue": 18 }, { "id": "annualCost", "label": "Annual Cost (Today)", "type": "number", "defaultValue": 25000 }, { "id": "yearsInCollege", "label": "Years in College", "type": "number", "defaultValue": 4 }, { "id": "currentSavings", "label": "Current Savings", "type": "number", "defaultValue": 10000 }, { "id": "monthlyContribution", "label": "Monthly Contribution", "type": "number", "defaultValue": 500 }, { "id": "returnRate", "label": "Exp. Return", "type": "number", "defaultValue": 6 }, { "id": "inflationRate", "label": "Inflation", "type": "number", "defaultValue": 3 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Future annual cost = current annual cost × (1 + education inflation)^years; projected total is the sum of each attendance year, less current savings growth." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "childAge": 5, "collegeAge": 18, "annualCost": 25000, "yearsInCollege": 4, "currentSavings": 10000, "monthlyContribution": 500, "returnRate": 6, "inflationRate": 3 } } ], "sources": [] }, { "id": "commission-calculator", "version": "1.0.0", "name": "Commission Calculator", "shortName": "Commission", "description": "Calculate sales commission, base pay, bonus, and total earnings.", "category": "Finance", "categorySlug": "finance", "keywords": [ "sales commission", "commission rate", "base pay", "bonus" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/commission-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/commission-calculator/", "definition": "/calculator/commission-calculator/definition.json", "schema": "/calculator/commission-calculator/schema.json", "llms": "/calculator/commission-calculator/llms.txt", "legacyDefinition": "/calculator/commission-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/commission-calculator/?sales=50000&commissionRate=5&basePay=2000", "queryParameters": { "sales": { "label": "Sales amount", "type": "money", "required": true, "default": 50000 }, "commissionRate": { "label": "Commission rate", "type": "percent", "required": true, "default": 5 }, "basePay": { "label": "Base pay", "type": "money", "required": false, "default": 2000 }, "bonus": { "label": "Fixed bonus", "type": "money", "required": false } }, "inputs": [ { "id": "sales", "label": "Sales amount", "type": "money", "required": true, "defaultValue": 50000, "min": 0, "step": 100, "width": "half" }, { "id": "commissionRate", "label": "Commission rate", "type": "percent", "required": true, "defaultValue": 5, "min": 0, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "basePay", "label": "Base pay", "type": "money", "defaultValue": 2000, "min": 0, "step": 100, "help": "Optional", "width": "half" }, { "id": "bonus", "label": "Fixed bonus", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "totalEarnings", "label": "Total earnings", "format": "currency", "primary": true }, { "id": "commission", "label": "Commission", "format": "currency" }, { "id": "baseAndBonus", "label": "Base pay + bonus", "format": "currency" }, { "id": "effectivePayRate", "label": "Earnings as % of sales", "format": "percent" } ], "formula": { "expression": "Commission = sales × commission rate; total = commission + base pay + bonus" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sales": 50000, "commissionRate": 5, "basePay": 2000 } } ], "sources": [] }, { "id": "compound-interest-calculator", "version": "20.1.0", "name": "Compound Interest Calculator", "shortName": "Compound interest", "description": "Project investment growth with regular monthly contributions and selectable compounding.", "category": "Finance", "categorySlug": "finance", "keywords": [ "investment growth", "compound return", "future value", "monthly contribution" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/compound-interest-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/compound-interest-calculator/", "definition": "/calculator/compound-interest-calculator/definition.json", "schema": "/calculator/compound-interest-calculator/schema.json", "llms": "/calculator/compound-interest-calculator/llms.txt", "legacyDefinition": "/calculator/compound-interest-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/compound-interest-calculator/?initial=10000&monthly=500&annualRate=7&years=20&frequency=12", "queryParameters": { "initial": { "label": "Initial investment", "type": "money", "required": true, "default": 10000 }, "monthly": { "label": "Monthly contribution", "type": "money", "required": false, "default": 500 }, "annualRate": { "label": "Annual return", "type": "percent", "required": true, "default": 7 }, "years": { "label": "Years", "type": "number", "required": true, "default": 20 }, "frequency": { "label": "Compounding", "type": "select", "required": true, "default": 12 } }, "inputs": [ { "id": "initial", "label": "Initial investment", "type": "money", "required": true, "defaultValue": 10000, "min": 0, "step": 100, "width": "half" }, { "id": "monthly", "label": "Monthly contribution", "type": "money", "defaultValue": 500, "min": 0, "step": 10, "help": "Optional", "width": "half" }, { "id": "annualRate", "label": "Annual return", "type": "percent", "required": true, "defaultValue": 7, "min": 0, "max": 30, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Years", "type": "number", "required": true, "defaultValue": 20, "min": 1, "max": 80, "step": 1, "width": "half" }, { "id": "frequency", "label": "Compounding", "type": "select", "required": true, "defaultValue": 12, "options": [ { "label": "Monthly", "value": 12 }, { "label": "Quarterly", "value": 4 }, { "label": "Yearly", "value": 1 }, { "label": "Daily", "value": 365 } ], "width": "full" } ], "outputs": [ { "id": "futureValue", "label": "Future value", "format": "currency", "primary": true }, { "id": "contributions", "label": "Total contributions", "format": "currency" }, { "id": "interestEarned", "label": "Growth earned", "format": "currency" }, { "id": "growthPercent", "label": "Growth on contributions", "format": "percent" } ], "formula": { "expression": "FV = P(1 + r/m)ᵐᵗ + PMT × [((1 + i)ⁿ − 1) ÷ i]", "variables": [ { "symbol": "P", "meaning": "initial investment" }, { "symbol": "PMT", "meaning": "monthly contribution" }, { "symbol": "r", "meaning": "annual rate" }, { "symbol": "m", "meaning": "compounding periods per year" }, { "symbol": "i", "meaning": "equivalent monthly rate" } ], "note": "Monthly contributions are added at the end of each month." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initial": 10000, "monthly": 500, "annualRate": 7, "years": 20, "frequency": 12 } } ], "sources": [ { "label": "Investor.gov compound interest calculator", "url": "https://www.investor.gov/financial-tools-calculators/calculators/compound-interest-calculator" } ] }, { "id": "credit-card-calculator", "version": "7.0.0", "name": "Credit Card Calculator", "shortName": "Credit Card", "description": "Calculate how long it will take to pay off your credit card balance or determine the monthly payment needed to be debt-free by a specific date.", "category": "Finance", "categorySlug": "finance", "keywords": [ "credit", "card" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/credit-card-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/credit-card-calculator/", "definition": "/calculator/credit-card-calculator/definition.json", "schema": "/calculator/credit-card-calculator/schema.json", "llms": "/calculator/credit-card-calculator/llms.txt", "legacyDefinition": "/calculator/credit-card-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/credit-card-calculator/?balance=5000&rate=18.9&payment=200&monthsToPay=24&mode=payment", "queryParameters": { "balance": { "label": "Credit Card Balance", "type": "number", "required": false, "default": 5000 }, "rate": { "label": "Interest Rate (APR)", "type": "number", "required": false, "default": 18.9 }, "payment": { "label": "Monthly Payment", "type": "number", "required": false, "default": 200 }, "monthsToPay": { "label": "Months to Payoff", "type": "number", "required": false, "default": 24 }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "payment" } }, "inputs": [ { "id": "balance", "label": "Credit Card Balance", "type": "number", "defaultValue": 5000 }, { "id": "rate", "label": "Interest Rate (APR)", "type": "number", "defaultValue": 18.9 }, { "id": "payment", "label": "Monthly Payment", "type": "number", "defaultValue": 200 }, { "id": "monthsToPay", "label": "Months to Payoff", "type": "number", "defaultValue": 24 }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "payment" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The balance is simulated month by month: interest is added, then the stated payment is applied, until payoff or the safety limit is reached." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "balance": 5000, "rate": 18.9, "payment": 200, "monthsToPay": 24, "mode": "payment" } } ], "sources": [] }, { "id": "credit-card-payoff-calculator", "version": "1.0.0", "name": "Credit Card Payoff Calculator", "shortName": "Credit card payoff", "description": "Find payoff time from a payment or the payment needed for a chosen payoff period.", "category": "Finance", "categorySlug": "finance", "keywords": [ "credit card debt", "payoff time", "minimum payment", "apr" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/credit-card-payoff-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/credit-card-payoff-calculator/", "definition": "/calculator/credit-card-payoff-calculator/definition.json", "schema": "/calculator/credit-card-payoff-calculator/schema.json", "llms": "/calculator/credit-card-payoff-calculator/llms.txt", "legacyDefinition": "/calculator/credit-card-payoff-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/credit-card-payoff-calculator/?balance=5000&apr=18.9&mode=payment&monthlyPayment=200", "queryParameters": { "balance": { "label": "Card balance", "type": "money", "required": true, "default": 5000 }, "apr": { "label": "APR", "type": "percent", "required": true, "default": 18.9 }, "mode": { "label": "Calculate from", "type": "select", "required": true, "default": "payment" }, "monthlyPayment": { "label": "Monthly payment", "type": "money", "required": true, "default": 200, "showWhen": { "field": "mode", "equals": "payment" } }, "payoffMonths": { "label": "Payoff months", "type": "number", "required": true, "default": 24, "showWhen": { "field": "mode", "equals": "months" } } }, "inputs": [ { "id": "balance", "label": "Card balance", "type": "money", "required": true, "defaultValue": 5000, "min": 0.01, "step": 100, "width": "half" }, { "id": "apr", "label": "APR", "type": "percent", "required": true, "defaultValue": 18.9, "min": 0, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "mode", "label": "Calculate from", "type": "select", "required": true, "defaultValue": "payment", "options": [ { "label": "Monthly payment", "value": "payment" }, { "label": "Payoff months", "value": "months" } ], "width": "full" }, { "id": "monthlyPayment", "label": "Monthly payment", "type": "money", "required": true, "defaultValue": 200, "min": 0.01, "step": 10, "showWhen": { "field": "mode", "equals": "payment" }, "width": "full" }, { "id": "payoffMonths", "label": "Payoff months", "type": "number", "required": true, "defaultValue": 24, "min": 1, "max": 1200, "step": 1, "showWhen": { "field": "mode", "equals": "months" }, "width": "full" } ], "outputs": [ { "id": "payoffTime", "label": "Payoff time", "format": "text", "primary": true }, { "id": "monthlyPaymentResult", "label": "Monthly payment", "format": "currency" }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "totalPaid", "label": "Total paid", "format": "currency" } ], "formula": { "expression": "Payment = balance × r ÷ [1 − (1 + r)⁻ⁿ]", "note": "Payment mode simulates the balance month by month. Interest is compounded monthly." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "balance": 5000, "apr": 18.9, "mode": "payment", "monthlyPayment": 200, "payoffMonths": 24 } } ], "sources": [] }, { "id": "credit-cards-payoff-calculator", "version": "7.0.0", "name": "Credit Cards Payoff Calculator", "shortName": "Credit Cards Payoff", "description": "Calculate the fastest way to pay off multiple credit cards using the Avalanche or Snowball method.", "category": "Finance", "categorySlug": "finance", "keywords": [ "credit", "cards", "payoff" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/credit-cards-payoff-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/credit-cards-payoff-calculator/", "definition": "/calculator/credit-cards-payoff-calculator/definition.json", "schema": "/calculator/credit-cards-payoff-calculator/schema.json", "llms": "/calculator/credit-cards-payoff-calculator/llms.txt", "legacyDefinition": "/calculator/credit-cards-payoff-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/credit-cards-payoff-calculator/?monthlyBudget=500&strategy=avalanche", "queryParameters": { "monthlyBudget": { "label": "Total Monthly Budget", "type": "number", "required": false, "default": 500 }, "name": { "label": "Name", "type": "text", "required": false }, "balance": { "label": "Balance", "type": "number", "required": false }, "rate": { "label": "Rate", "type": "number", "required": false }, "minPayment": { "label": "Min Payment", "type": "number", "required": false }, "strategy": { "label": "Strategy", "type": "select", "required": false, "default": "avalanche" }, "startDate": { "label": "Plan Start Date", "type": "date", "required": false } }, "inputs": [ { "id": "monthlyBudget", "label": "Total Monthly Budget", "type": "number", "defaultValue": 500 }, { "id": "name", "label": "Name", "type": "text" }, { "id": "balance", "label": "Balance", "type": "number" }, { "id": "rate", "label": "Rate", "type": "number" }, { "id": "minPayment", "label": "Min Payment", "type": "number" }, { "id": "strategy", "label": "Strategy", "type": "select", "defaultValue": "avalanche" }, { "label": "Plan Start Date", "type": "date", "defaultToday": true, "id": "startDate" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Each month all cards accrue interest, receive their fixed minimum payments, then all remaining budget is cascaded through avalanche or snowball priority until every balance is paid." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "monthlyBudget": 500, "strategy": "avalanche" } } ], "sources": [] }, { "id": "currency-appreciation-and-depreciation-calculator", "version": "1.0.0", "name": "Currency Appreciation and Depreciation Calculator", "shortName": "Currency Appreciation and Depreciation", "description": "Measure the appreciation or depreciation of a base currency when its quoted exchange rate changes.", "category": "Finance", "categorySlug": "finance", "keywords": [ "currency", "appreciation", "and", "depreciation", "calculator", "currency appreciation and depreciation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/currency-appreciation-and-depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This calculator does not retrieve live exchange rates. Enter rates quoted on the same basis.", "urls": { "page": "/calculator/currency-appreciation-and-depreciation-calculator/", "definition": "/calculator/currency-appreciation-and-depreciation-calculator/definition.json", "schema": "/calculator/currency-appreciation-and-depreciation-calculator/schema.json", "llms": "/calculator/currency-appreciation-and-depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/currency-appreciation-and-depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/currency-appreciation-and-depreciation-calculator/?oldRate=1.1&newRate=1.2&baseAmount=1000", "queryParameters": { "oldRate": { "label": "Old quote rate", "type": "number", "required": true, "default": 1.1 }, "newRate": { "label": "New quote rate", "type": "number", "required": true, "default": 1.2 }, "baseAmount": { "label": "Base-currency amount", "type": "number", "required": true, "default": 1000 } }, "inputs": [ { "id": "oldRate", "label": "Old quote rate", "type": "number", "required": true, "defaultValue": 1.1, "min": 1e-9, "step": 0.000001, "help": "Units of quote currency per 1 unit of base currency." }, { "id": "newRate", "label": "New quote rate", "type": "number", "required": true, "defaultValue": 1.2, "min": 1e-9, "step": 0.000001 }, { "id": "baseAmount", "label": "Base-currency amount", "type": "number", "required": true, "defaultValue": 1000, "min": 0, "step": 0.01 } ], "outputs": [ { "id": "baseCurrencyChange", "label": "Base currency change", "format": "percent", "primary": true, "digits": 8 }, { "id": "quoteCurrencyInverseChange", "label": "Quote currency change versus base", "format": "percent", "digits": 8 }, { "id": "oldQuoteValue", "label": "Old quote-currency value", "format": "number", "digits": 6 }, { "id": "newQuoteValue", "label": "New quote-currency value", "format": "number", "digits": 6 }, { "id": "changeType", "label": "Base currency movement", "format": "text" } ], "formula": { "expression": "base appreciation = (new quote rate − old quote rate) ÷ old quote rate × 100%" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "oldRate": 1.1, "newRate": 1.2, "baseAmount": 1000 } } ], "sources": [] }, { "id": "currency-calculator", "version": "4.0.0", "name": "Currency Calculator", "shortName": "Currency", "description": "Convert an amount using an exchange rate you enter. No live API is required.", "category": "Finance", "categorySlug": "finance", "keywords": [ "currency", "exchange rate", "convert money", "forex" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/currency-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "4.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/currency-calculator/", "definition": "/calculator/currency-calculator/definition.json", "schema": "/calculator/currency-calculator/schema.json", "llms": "/calculator/currency-calculator/llms.txt", "legacyDefinition": "/calculator/currency-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/currency-calculator/?amount=100&from=USD&to=EUR&rate=0.92", "queryParameters": { "amount": { "label": "Amount", "type": "money", "required": true, "default": 100 }, "from": { "label": "From", "type": "select", "required": true, "default": "USD" }, "to": { "label": "To", "type": "select", "required": true, "default": "EUR" }, "rate": { "label": "Exchange rate", "type": "number", "required": true, "default": 0.92 } }, "inputs": [ { "id": "amount", "label": "Amount", "type": "money", "required": true, "defaultValue": 100, "min": 0, "step": 0.01 }, { "id": "from", "label": "From", "type": "select", "required": true, "defaultValue": "USD", "options": [ { "label": "USD", "value": "USD" }, { "label": "EUR", "value": "EUR" }, { "label": "GBP", "value": "GBP" }, { "label": "JPY", "value": "JPY" }, { "label": "CAD", "value": "CAD" }, { "label": "AUD", "value": "AUD" }, { "label": "CHF", "value": "CHF" }, { "label": "CNY", "value": "CNY" }, { "label": "INR", "value": "INR" }, { "label": "BRL", "value": "BRL" }, { "label": "MXN", "value": "MXN" }, { "label": "SGD", "value": "SGD" } ], "width": "half" }, { "id": "to", "label": "To", "type": "select", "required": true, "defaultValue": "EUR", "options": [ { "label": "USD", "value": "USD" }, { "label": "EUR", "value": "EUR" }, { "label": "GBP", "value": "GBP" }, { "label": "JPY", "value": "JPY" }, { "label": "CAD", "value": "CAD" }, { "label": "AUD", "value": "AUD" }, { "label": "CHF", "value": "CHF" }, { "label": "CNY", "value": "CNY" }, { "label": "INR", "value": "INR" }, { "label": "BRL", "value": "BRL" }, { "label": "MXN", "value": "MXN" }, { "label": "SGD", "value": "SGD" } ], "width": "half" }, { "id": "rate", "label": "Exchange rate", "type": "number", "required": true, "defaultValue": 0.92, "min": 1e-8, "step": 0.0001, "help": "Enter how many target-currency units equal 1 source-currency unit." } ], "outputs": [ { "id": "converted", "label": "Converted amount", "format": "number", "primary": true, "digits": 4 }, { "id": "rateLine", "label": "Rate used", "format": "text" } ], "formula": { "expression": "Converted amount = Amount × Exchange rate", "variables": [ { "symbol": "Amount", "meaning": "Value in the source currency" }, { "symbol": "Exchange rate", "meaning": "Target units for one source unit" } ], "note": "Rates change. Enter a current rate from a source you trust." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 100, "from": "USD", "to": "EUR", "rate": 0.92 } } ], "sources": [] }, { "id": "debt-consolidation-calculator", "version": "7.0.0", "name": "Debt Consolidation Calculator", "shortName": "Debt Consolidation", "description": "Determine if consolidating your debts into a single loan can save you money on interest or lower your monthly payments.", "category": "Finance", "categorySlug": "finance", "keywords": [ "debt", "consolidation" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/debt-consolidation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/debt-consolidation-calculator/", "definition": "/calculator/debt-consolidation-calculator/definition.json", "schema": "/calculator/debt-consolidation-calculator/schema.json", "llms": "/calculator/debt-consolidation-calculator/llms.txt", "legacyDefinition": "/calculator/debt-consolidation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/debt-consolidation-calculator/?currentDebt=15000¤tPayment=450¤tRate=18&newRate=10&newTerm=3&fees=0", "queryParameters": { "currentDebt": { "label": "Total Debt Amount", "type": "number", "required": false, "default": 15000 }, "currentPayment": { "label": "Total Monthly Payment", "type": "number", "required": false, "default": 450 }, "currentRate": { "label": "Avg Interest Rate (APR)", "type": "number", "required": false, "default": 18 }, "newRate": { "label": "New Interest Rate", "type": "number", "required": false, "default": 10 }, "newTerm": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 3 }, "fees": { "label": "Loan Fees / Closing Costs", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "currentDebt", "label": "Total Debt Amount", "type": "number", "defaultValue": 15000 }, { "id": "currentPayment", "label": "Total Monthly Payment", "type": "number", "defaultValue": 450 }, { "id": "currentRate", "label": "Avg Interest Rate (APR)", "type": "number", "defaultValue": 18 }, { "id": "newRate", "label": "New Interest Rate", "type": "number", "defaultValue": 10 }, { "id": "newTerm", "label": "Loan Term (Years)", "type": "number", "defaultValue": 3 }, { "id": "fees", "label": "Loan Fees / Closing Costs", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The current plan is simulated month by month. The new payment is (debt + fees) ÷ n at zero interest, otherwise (debt + fees)·r ÷ [1 − (1+r)^(−n)]. Total borrowing costs and payoff months are compared." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "currentDebt": 15000, "currentPayment": 450, "currentRate": 18, "newRate": 10, "newTerm": 3, "fees": 0 } } ], "sources": [] }, { "id": "debt-payoff-calculator", "version": "7.0.0", "name": "Debt Payoff Calculator", "shortName": "Debt Payoff", "description": "Create a debt payoff plan using the Snowball or Avalanche method to become debt-free faster.", "category": "Finance", "categorySlug": "finance", "keywords": [ "debt", "payoff" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/debt-payoff-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/debt-payoff-calculator/", "definition": "/calculator/debt-payoff-calculator/definition.json", "schema": "/calculator/debt-payoff-calculator/schema.json", "llms": "/calculator/debt-payoff-calculator/llms.txt", "legacyDefinition": "/calculator/debt-payoff-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/debt-payoff-calculator/?monthlyBudget=600&strategy=snowball", "queryParameters": { "monthlyBudget": { "label": "Total Monthly Budget", "type": "number", "required": false, "default": 600 }, "name": { "label": "Name", "type": "text", "required": false }, "balance": { "label": "Balance", "type": "number", "required": false }, "rate": { "label": "Rate", "type": "number", "required": false }, "minPayment": { "label": "Min Payment", "type": "number", "required": false }, "strategy": { "label": "Strategy", "type": "select", "required": false, "default": "snowball" }, "startDate": { "label": "Plan Start Date", "type": "date", "required": false } }, "inputs": [ { "id": "monthlyBudget", "label": "Total Monthly Budget", "type": "number", "defaultValue": 600 }, { "id": "name", "label": "Name", "type": "text" }, { "id": "balance", "label": "Balance", "type": "number" }, { "id": "rate", "label": "Rate", "type": "number" }, { "id": "minPayment", "label": "Min Payment", "type": "number" }, { "id": "strategy", "label": "Strategy", "type": "select", "defaultValue": "snowball" }, { "label": "Plan Start Date", "type": "date", "defaultToday": true, "id": "startDate" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Each month all debts accrue interest, receive their fixed minimum payments, then all remaining budget is cascaded through avalanche or snowball priority until every balance is paid." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "monthlyBudget": 600, "strategy": "snowball" } } ], "sources": [] }, { "id": "debt-ratios-calculator", "version": "1.0.0", "name": "Debt Ratios Calculator", "shortName": "Debt Ratios", "description": "Calculate common solvency ratios from balance-sheet and income-statement figures.", "category": "Finance", "categorySlug": "finance", "keywords": [ "debt", "ratios", "calculator", "debt ratios calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/debt-ratios-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Financial ratios are screening tools, not financial, accounting, lending, or investment advice.", "urls": { "page": "/calculator/debt-ratios-calculator/", "definition": "/calculator/debt-ratios-calculator/definition.json", "schema": "/calculator/debt-ratios-calculator/schema.json", "llms": "/calculator/debt-ratios-calculator/llms.txt", "legacyDefinition": "/calculator/debt-ratios-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/debt-ratios-calculator/?totalAssets=500000&totalLiabilities=220000&shareholdersEquity=280000&ebit=90000&interestExpense=15000&annualDebtService=40000&operatingCashFlow=105000", "queryParameters": { "totalAssets": { "label": "Total assets", "type": "money", "required": true, "default": 500000 }, "totalLiabilities": { "label": "Total liabilities", "type": "money", "required": true, "default": 220000 }, "shareholdersEquity": { "label": "Shareholders’ equity", "type": "money", "required": true, "default": 280000 }, "ebit": { "label": "EBIT / operating income", "type": "money", "required": true, "default": 90000 }, "interestExpense": { "label": "Interest expense", "type": "money", "required": true, "default": 15000 }, "annualDebtService": { "label": "Annual principal + interest payments", "type": "money", "required": true, "default": 40000 }, "operatingCashFlow": { "label": "Operating cash flow", "type": "money", "required": true, "default": 105000 } }, "inputs": [ { "id": "totalAssets", "label": "Total assets", "type": "money", "required": true, "defaultValue": 500000, "min": 0, "step": 100 }, { "id": "totalLiabilities", "label": "Total liabilities", "type": "money", "required": true, "defaultValue": 220000, "min": 0, "step": 100 }, { "id": "shareholdersEquity", "label": "Shareholders’ equity", "type": "money", "required": true, "defaultValue": 280000, "step": 100 }, { "id": "ebit", "label": "EBIT / operating income", "type": "money", "required": true, "defaultValue": 90000, "step": 100 }, { "id": "interestExpense", "label": "Interest expense", "type": "money", "required": true, "defaultValue": 15000, "min": 0, "step": 100 }, { "id": "annualDebtService", "label": "Annual principal + interest payments", "type": "money", "required": true, "defaultValue": 40000, "min": 0, "step": 100 }, { "id": "operatingCashFlow", "label": "Operating cash flow", "type": "money", "required": true, "defaultValue": 105000, "step": 100 } ], "outputs": [ { "id": "debtToAssets", "label": "Debt-to-assets ratio", "format": "percent", "primary": true, "digits": 4 }, { "id": "debtToEquity", "label": "Debt-to-equity ratio", "format": "number", "digits": 6 }, { "id": "equityRatio", "label": "Equity ratio", "format": "percent", "digits": 4 }, { "id": "interestCoverage", "label": "Interest coverage", "format": "number", "digits": 4, "suffix": "×" }, { "id": "debtServiceCoverage", "label": "Debt-service coverage", "format": "number", "digits": 4, "suffix": "×" }, { "id": "accountingDifference", "label": "Assets − liabilities − equity", "format": "currency" } ], "formula": { "expression": "debt/assets = liabilities ÷ assets; debt/equity = liabilities ÷ equity; interest coverage = EBIT ÷ interest expense" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "totalAssets": 500000, "totalLiabilities": 220000, "shareholdersEquity": 280000, "ebit": 90000, "interestExpense": 15000, "annualDebtService": 40000, "operatingCashFlow": 105000 } } ], "sources": [] }, { "id": "debt-to-income-calculator", "version": "1.0.0", "name": "Debt-to-Income Ratio Calculator", "shortName": "Debt-to-income", "description": "Calculate front-end and back-end monthly debt-to-income ratios.", "category": "Finance", "categorySlug": "finance", "keywords": [ "dti", "debt ratio", "monthly income", "housing ratio" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/debt-to-income-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "For planning only. Lending rules differ by lender and loan program.", "urls": { "page": "/calculator/debt-to-income-calculator/", "definition": "/calculator/debt-to-income-calculator/definition.json", "schema": "/calculator/debt-to-income-calculator/schema.json", "llms": "/calculator/debt-to-income-calculator/llms.txt", "legacyDefinition": "/calculator/debt-to-income-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/debt-to-income-calculator/?grossIncome=8000&housingPayment=2200&debtPayments=600", "queryParameters": { "grossIncome": { "label": "Gross monthly income", "type": "money", "required": true, "default": 8000 }, "housingPayment": { "label": "Monthly housing payment", "type": "money", "required": true, "default": 2200 }, "debtPayments": { "label": "Other monthly debt payments", "type": "money", "required": true, "default": 600 }, "otherDebt": { "label": "Other counted obligations", "type": "money", "required": false } }, "inputs": [ { "id": "grossIncome", "label": "Gross monthly income", "type": "money", "required": true, "defaultValue": 8000, "min": 0.01, "step": 100, "width": "half" }, { "id": "housingPayment", "label": "Monthly housing payment", "type": "money", "required": true, "defaultValue": 2200, "min": 0, "step": 50, "width": "half" }, { "id": "debtPayments", "label": "Other monthly debt payments", "type": "money", "required": true, "defaultValue": 600, "min": 0, "step": 25, "width": "half" }, { "id": "otherDebt", "label": "Other counted obligations", "type": "money", "min": 0, "step": 25, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "backEndRatio", "label": "Total debt-to-income", "format": "percent", "primary": true }, { "id": "frontEndRatio", "label": "Housing ratio", "format": "percent" }, { "id": "totalMonthlyDebt", "label": "Total monthly debt", "format": "currency" }, { "id": "incomeAfterDebt", "label": "Income after counted debt", "format": "currency" } ], "formula": { "expression": "DTI = counted monthly debt payments ÷ gross monthly income × 100", "note": "This is a screening ratio, not an approval decision." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "grossIncome": 8000, "housingPayment": 2200, "debtPayments": 600 } } ], "sources": [] }, { "id": "debt-to-income-ratio-calculator", "version": "7.0.0", "name": "Debt-to-Income Ratio Calculator", "shortName": "Debt-to-Income Ratio", "description": "Calculate your DTI ratio to see if you qualify for a mortgage or other loans.", "category": "Finance", "categorySlug": "finance", "keywords": [ "debt", "to", "income", "ratio" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/debt-to-income-ratio-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/debt-to-income-ratio-calculator/", "definition": "/calculator/debt-to-income-ratio-calculator/definition.json", "schema": "/calculator/debt-to-income-ratio-calculator/schema.json", "llms": "/calculator/debt-to-income-ratio-calculator/llms.txt", "legacyDefinition": "/calculator/debt-to-income-ratio-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/debt-to-income-ratio-calculator/?income=6000&mortgage=1500&otherDebts=500", "queryParameters": { "income": { "label": "Gross Monthly Income", "type": "number", "required": false, "default": 6000 }, "mortgage": { "label": "Mortgage / Rent", "type": "number", "required": false, "default": 1500 }, "otherDebts": { "label": "Other Monthly Debt Payments", "type": "number", "required": false, "default": 500 } }, "inputs": [ { "id": "income", "label": "Gross Monthly Income", "type": "number", "defaultValue": 6000 }, { "id": "mortgage", "label": "Mortgage / Rent", "type": "number", "defaultValue": 1500 }, { "id": "otherDebts", "label": "Other Monthly Debt Payments", "type": "number", "defaultValue": 500 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Debt-to-income ratio = total monthly debt payments ÷ gross monthly income × 100." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "income": 6000, "mortgage": 1500, "otherDebts": 500 } } ], "sources": [] }, { "id": "deferred-fixed-annuity-calculator", "version": "1.0.0", "name": "Deferred Fixed Annuity Calculator", "shortName": "Deferred Fixed Annuity", "description": "Estimate accumulation during a deferral period and level withdrawals during a fixed payout period.", "category": "Finance", "categorySlug": "finance", "keywords": [ "deferred", "fixed", "annuity", "calculator", "deferred fixed annuity calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/deferred-fixed-annuity-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Annuity contracts can include surrender charges, caps, guarantees, taxes, and insurer credit risk. Review the actual contract and qualified advice.", "urls": { "page": "/calculator/deferred-fixed-annuity-calculator/", "definition": "/calculator/deferred-fixed-annuity-calculator/definition.json", "schema": "/calculator/deferred-fixed-annuity-calculator/schema.json", "llms": "/calculator/deferred-fixed-annuity-calculator/llms.txt", "legacyDefinition": "/calculator/deferred-fixed-annuity-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/deferred-fixed-annuity-calculator/?initialPremium=100000&annualRate=4.5&deferralYears=10&payoutYears=20&paymentsPerYear=12&paymentTiming=end", "queryParameters": { "initialPremium": { "label": "Initial premium", "type": "money", "required": true, "default": 100000 }, "annualRate": { "label": "Guaranteed annual rate", "type": "percent", "required": true, "default": 4.5 }, "deferralYears": { "label": "Deferral years", "type": "number", "required": true, "default": 10 }, "payoutYears": { "label": "Payout years", "type": "number", "required": true, "default": 20 }, "paymentsPerYear": { "label": "Payouts per year", "type": "number", "required": true, "default": 12 }, "paymentTiming": { "label": "Payout timing", "type": "select", "required": true, "default": "end" } }, "inputs": [ { "id": "initialPremium", "label": "Initial premium", "type": "money", "required": true, "defaultValue": 100000, "min": 0, "step": 100 }, { "id": "annualRate", "label": "Guaranteed annual rate", "type": "percent", "required": true, "defaultValue": 4.5, "min": 0, "max": 100, "step": 0.01 }, { "id": "deferralYears", "label": "Deferral years", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 100, "step": 0.25 }, { "id": "payoutYears", "label": "Payout years", "type": "number", "required": true, "defaultValue": 20, "min": 0.01, "max": 100, "step": 0.25 }, { "id": "paymentsPerYear", "label": "Payouts per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 }, { "id": "paymentTiming", "label": "Payout timing", "type": "select", "required": true, "defaultValue": "end", "options": [ { "label": "End of period", "value": "end" }, { "label": "Beginning of period", "value": "begin" } ] } ], "outputs": [ { "id": "valueAtPayout", "label": "Value when payouts begin", "format": "currency", "primary": true }, { "id": "periodicPayout", "label": "Estimated periodic payout", "format": "currency" }, { "id": "annualizedPayout", "label": "Annualized payout", "format": "currency" }, { "id": "totalPayouts", "label": "Total projected payouts", "format": "currency" }, { "id": "interestDuringDeferral", "label": "Interest credited during deferral", "format": "currency" } ], "formula": { "expression": "accumulated value = premium × (1+r)^deferral; payout = value ÷ present-value annuity factor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initialPremium": 100000, "annualRate": 4.5, "deferralYears": 10, "payoutYears": 20, "paymentsPerYear": 12, "paymentTiming": "end" } } ], "sources": [] }, { "id": "depreciation-calculator", "version": "7.0.0", "name": "Depreciation Calculator", "shortName": "Depreciation", "description": "Calculate the depreciation of an asset over its useful life using Straight-Line or Double-Declining Balance methods.", "category": "Finance", "categorySlug": "finance", "keywords": [ "depreciation" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/depreciation-calculator/", "definition": "/calculator/depreciation-calculator/definition.json", "schema": "/calculator/depreciation-calculator/schema.json", "llms": "/calculator/depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/depreciation-calculator/?assetCost=25000&salvageValue=5000&usefulLife=5&method=straight", "queryParameters": { "assetCost": { "label": "Asset Cost", "type": "number", "required": false, "default": 25000 }, "salvageValue": { "label": "Salvage Value", "type": "number", "required": false, "default": 5000 }, "usefulLife": { "label": "Useful Life (Years)", "type": "number", "required": false, "default": 5 }, "method": { "label": "Method", "type": "select", "required": false, "default": "straight" } }, "inputs": [ { "id": "assetCost", "label": "Asset Cost", "type": "number", "defaultValue": 25000 }, { "id": "salvageValue", "label": "Salvage Value", "type": "number", "defaultValue": 5000 }, { "id": "usefulLife", "label": "Useful Life (Years)", "type": "number", "defaultValue": 5 }, { "id": "method", "label": "Method", "type": "select", "defaultValue": "straight" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Straight-line: (cost − salvage) ÷ life; declining balance: current book value × rate; sum-of-years-digits: depreciable basis × remaining life ÷ life-year sum." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "assetCost": 25000, "salvageValue": 5000, "usefulLife": 5, "method": "straight" } } ], "sources": [] }, { "id": "discount-calculator", "version": "1.0.0", "name": "Discount Calculator", "shortName": "Discount", "description": "Find the sale price, savings, optional tax, and effective discount.", "category": "Finance", "categorySlug": "finance", "keywords": [ "sale price", "percent off", "coupon", "fixed discount" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/discount-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/discount-calculator/", "definition": "/calculator/discount-calculator/definition.json", "schema": "/calculator/discount-calculator/schema.json", "llms": "/calculator/discount-calculator/llms.txt", "legacyDefinition": "/calculator/discount-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/discount-calculator/?originalPrice=120&discountType=percent&discountValue=20&taxRate=0", "queryParameters": { "originalPrice": { "label": "Original price", "type": "money", "required": true, "default": 120 }, "discountType": { "label": "Discount type", "type": "select", "required": true, "default": "percent" }, "discountValue": { "label": "Discount value", "type": "number", "required": true, "default": 20 }, "taxRate": { "label": "Tax after discount", "type": "percent", "required": false, "default": 0 } }, "inputs": [ { "id": "originalPrice", "label": "Original price", "type": "money", "required": true, "defaultValue": 120, "min": 0, "step": 0.01, "width": "half" }, { "id": "discountType", "label": "Discount type", "type": "select", "required": true, "defaultValue": "percent", "options": [ { "label": "Percent off", "value": "percent" }, { "label": "Fixed amount", "value": "fixed" } ], "width": "half" }, { "id": "discountValue", "label": "Discount value", "type": "number", "required": true, "defaultValue": 20, "min": 0, "step": 0.01, "help": "Percent or money, based on type", "width": "half" }, { "id": "taxRate", "label": "Tax after discount", "type": "percent", "defaultValue": 0, "min": 0, "max": 100, "step": 0.01, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "finalPrice", "label": "Final price", "format": "currency", "primary": true }, { "id": "savings", "label": "You save", "format": "currency" }, { "id": "discountedPrice", "label": "Price before tax", "format": "currency" }, { "id": "taxAmount", "label": "Tax", "format": "currency" }, { "id": "effectiveDiscount", "label": "Effective discount", "format": "percent" } ], "formula": { "expression": "Final price = original price − discount + tax", "note": "A fixed discount is capped at the original price. Tax is applied after the discount." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "originalPrice": 120, "discountType": "percent", "discountValue": 20, "taxRate": 0 } } ], "sources": [] }, { "id": "down-payment-calculator", "version": "20.1.0", "name": "Down Payment Calculator", "shortName": "Down payment", "description": "Convert a down payment between money and percent, then estimate loan and cash needed.", "category": "Finance", "categorySlug": "finance", "keywords": [ "home down payment", "loan amount", "closing costs", "down payment percent" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/down-payment-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/down-payment-calculator/", "definition": "/calculator/down-payment-calculator/definition.json", "schema": "/calculator/down-payment-calculator/schema.json", "llms": "/calculator/down-payment-calculator/llms.txt", "legacyDefinition": "/calculator/down-payment-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/down-payment-calculator/?homePrice=400000&mode=percent&downPaymentValue=20&closingCostRate=3", "queryParameters": { "homePrice": { "label": "Home price", "type": "money", "required": true, "default": 400000 }, "mode": { "label": "Enter down payment as", "type": "select", "required": true, "default": "percent" }, "downPaymentValue": { "label": "Down payment value", "type": "number", "required": true, "default": 20 }, "closingCostRate": { "label": "Estimated closing costs", "type": "percent", "required": false, "default": 3 } }, "inputs": [ { "id": "homePrice", "label": "Home price", "type": "money", "required": true, "defaultValue": 400000, "min": 1, "step": 1000, "width": "half" }, { "id": "mode", "label": "Enter down payment as", "type": "select", "required": true, "defaultValue": "percent", "options": [ { "label": "Percent", "value": "percent" }, { "label": "Money amount", "value": "amount" } ], "width": "half" }, { "id": "downPaymentValue", "label": "Down payment value", "type": "number", "required": true, "defaultValue": 20, "min": 0, "step": 0.01, "help": "Percent or money, based on mode", "width": "half" }, { "id": "closingCostRate", "label": "Estimated closing costs", "type": "percent", "defaultValue": 3, "min": 0, "max": 20, "step": 0.1, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "cashNeeded", "label": "Estimated cash needed", "format": "currency", "primary": true }, { "id": "downPaymentAmount", "label": "Down payment", "format": "currency" }, { "id": "downPaymentPercent", "label": "Down payment percent", "format": "percent" }, { "id": "loanAmount", "label": "Estimated loan amount", "format": "currency" }, { "id": "closingCosts", "label": "Estimated closing costs", "format": "currency" } ], "formula": { "expression": "Loan amount = home price − down payment; cash needed = down payment + closing costs" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "homePrice": 400000, "mode": "percent", "downPaymentValue": 20, "closingCostRate": 3 } } ], "sources": [ { "label": "CFPB: principal, interest and total monthly housing payment", "url": "https://www.consumerfinance.gov/ask-cfpb/on-a-mortgage-whats-the-difference-between-my-principal-and-interest-payment-and-my-total-monthly-payment-en-1941/" } ] }, { "id": "equivalent-interest-rate-calculator", "version": "1.0.0", "name": "Equivalent Interest Rate Calculator", "shortName": "Equivalent Interest Rate", "description": "Convert a nominal annual rate with one compounding frequency to an equivalent nominal rate with another frequency.", "category": "Finance", "categorySlug": "finance", "keywords": [ "equivalent", "interest", "rate", "calculator", "equivalent interest rate calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/equivalent-interest-rate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/equivalent-interest-rate-calculator/", "definition": "/calculator/equivalent-interest-rate-calculator/definition.json", "schema": "/calculator/equivalent-interest-rate-calculator/schema.json", "llms": "/calculator/equivalent-interest-rate-calculator/llms.txt", "legacyDefinition": "/calculator/equivalent-interest-rate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/equivalent-interest-rate-calculator/?nominalRate=6&sourceCompounds=12&targetCompounds=4", "queryParameters": { "nominalRate": { "label": "Source nominal annual rate", "type": "percent", "required": true, "default": 6 }, "sourceCompounds": { "label": "Source compounds per year", "type": "number", "required": true, "default": 12 }, "targetCompounds": { "label": "Target compounds per year", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "nominalRate", "label": "Source nominal annual rate", "type": "percent", "required": true, "defaultValue": 6, "min": -99.99, "max": 1000, "step": 0.001 }, { "id": "sourceCompounds", "label": "Source compounds per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 }, { "id": "targetCompounds", "label": "Target compounds per year", "type": "number", "required": true, "defaultValue": 4, "min": 1, "max": 365, "step": 1 } ], "outputs": [ { "id": "equivalentNominalRate", "label": "Equivalent target nominal rate", "format": "percent", "primary": true, "digits": 10 }, { "id": "effectiveAnnualRate", "label": "Effective annual rate", "format": "percent", "digits": 10 }, { "id": "sourcePeriodicRate", "label": "Source periodic rate", "format": "percent", "digits": 10 }, { "id": "targetPeriodicRate", "label": "Target periodic rate", "format": "percent", "digits": 10 } ], "formula": { "expression": "EAR = (1 + j/m)^m − 1; equivalent j₂ = m₂[(1+EAR)^(1/m₂) − 1]" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "nominalRate": 6, "sourceCompounds": 12, "targetCompounds": 4 } } ], "sources": [] }, { "id": "estate-tax-calculator", "version": "7.0.0", "name": "Estate Tax Calculator", "shortName": "Estate Tax", "description": "Estimate the federal estate-tax amount above the 2026 basic exclusion using a simplified top-rate model.", "category": "Finance", "categorySlug": "finance", "keywords": [ "estate", "tax" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/estate-tax-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Simplified estate-tax estimate; not tax or legal advice.", "urls": { "page": "/calculator/estate-tax-calculator/", "definition": "/calculator/estate-tax-calculator/definition.json", "schema": "/calculator/estate-tax-calculator/schema.json", "llms": "/calculator/estate-tax-calculator/llms.txt", "legacyDefinition": "/calculator/estate-tax-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/estate-tax-calculator/?estateValue=15000000", "queryParameters": { "estateValue": { "label": "Total Estate Value ($)", "type": "number", "required": false, "default": 15000000 } }, "inputs": [ { "id": "estateValue", "label": "Total Estate Value ($)", "type": "number", "defaultValue": 15000000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Estimated taxable estate = max(gross estate − 2026 federal exclusion, 0); estimated federal estate tax = taxable estate × 40%.", "note": "Simplified federal estimate using the top rate on value above the entered-year exclusion; deductions, gifts, portability, state estate tax, and graduated rates are excluded." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "estateValue": 15000000 } } ], "sources": [ { "label": "IRS 2026 tax inflation adjustments", "url": "https://www.irs.gov/newsroom/irs-releases-tax-inflation-adjustments-for-tax-year-2026-including-amendments-from-the-one-big-beautiful-bill" } ] }, { "id": "fha-loan-calculator", "version": "7.0.0", "name": "FHA Loan Calculator", "shortName": "FHA Loan", "description": "Calculate FHA mortgage payments including Upfront and Annual Mortgage Insurance Premiums (MIP).", "category": "Finance", "categorySlug": "finance", "keywords": [ "fha", "loan" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fha-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/fha-loan-calculator/", "definition": "/calculator/fha-loan-calculator/definition.json", "schema": "/calculator/fha-loan-calculator/schema.json", "llms": "/calculator/fha-loan-calculator/llms.txt", "legacyDefinition": "/calculator/fha-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fha-loan-calculator/?price=300000&downPayment=10500&rate=6.5&term=30&upfrontMIPRate=1.75&annualMIPRate=0.55", "queryParameters": { "price": { "label": "Home Price", "type": "number", "required": false, "default": 300000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 10500 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6.5 }, "term": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 30 }, "upfrontMIPRate": { "label": "Upfront MIP", "type": "number", "required": false, "default": 1.75 }, "annualMIPRate": { "label": "Annual MIP", "type": "number", "required": false, "default": 0.55 } }, "inputs": [ { "id": "price", "label": "Home Price", "type": "number", "defaultValue": 300000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 10500 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 6.5 }, { "id": "term", "label": "Loan Term (Years)", "type": "number", "defaultValue": 30 }, { "id": "upfrontMIPRate", "label": "Upfront MIP", "type": "number", "defaultValue": 1.75 }, { "id": "annualMIPRate", "label": "Annual MIP", "type": "number", "defaultValue": 0.55 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Base loan = price − down payment; upfront mortgage insurance is added; payment uses the installment formula and monthly mortgage insurance is estimated from the entered assumptions." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "price": 300000, "downPayment": 10500, "rate": 6.5, "term": 30, "upfrontMIPRate": 1.75, "annualMIPRate": 0.55 } } ], "sources": [] }, { "id": "finance-calculator", "version": "7.0.0", "name": "Finance Calculator", "shortName": "Finance", "description": "Analyze your monthly cash flow, savings rate, and potential annual savings.", "category": "Finance", "categorySlug": "finance", "keywords": [ "finance" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/finance-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/finance-calculator/", "definition": "/calculator/finance-calculator/definition.json", "schema": "/calculator/finance-calculator/schema.json", "llms": "/calculator/finance-calculator/llms.txt", "legacyDefinition": "/calculator/finance-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/finance-calculator/?cashFlow=5000&expenses=3000&taxRate=20", "queryParameters": { "cashFlow": { "label": "Gross Monthly Income ($)", "type": "number", "required": false, "default": 5000 }, "expenses": { "label": "Monthly Expenses ($)", "type": "number", "required": false, "default": 3000 }, "taxRate": { "label": "Effective Tax Rate (%)", "type": "number", "required": false, "default": 20 } }, "inputs": [ { "id": "cashFlow", "label": "Gross Monthly Income ($)", "type": "number", "defaultValue": 5000 }, { "id": "expenses", "label": "Monthly Expenses ($)", "type": "number", "defaultValue": 3000 }, { "id": "taxRate", "label": "Effective Tax Rate (%)", "type": "number", "defaultValue": 20 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Monthly tax = income × effective tax rate; net monthly cash flow = income − tax − expenses; annual savings = net monthly cash flow × 12." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cashFlow": 5000, "expenses": 3000, "taxRate": 20 } } ], "sources": [] }, { "id": "fixed-declining-balance-depreciation-calculator", "version": "1.0.0", "name": "Fixed Declining Balance Depreciation Calculator", "shortName": "Fixed Declining Balance Depreciation", "description": "Calculate a fixed declining-balance depreciation rate and annual schedule that approaches salvage value.", "category": "Finance", "categorySlug": "finance", "keywords": [ "fixed", "declining", "balance", "depreciation", "calculator", "fixed declining balance depreciation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fixed-declining-balance-depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Book and tax depreciation conventions can differ. This schedule is an educational estimate.", "urls": { "page": "/calculator/fixed-declining-balance-depreciation-calculator/", "definition": "/calculator/fixed-declining-balance-depreciation-calculator/definition.json", "schema": "/calculator/fixed-declining-balance-depreciation-calculator/schema.json", "llms": "/calculator/fixed-declining-balance-depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/fixed-declining-balance-depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fixed-declining-balance-depreciation-calculator/?cost=50000&salvageValue=5000&usefulLife=8&firstYearMonths=12", "queryParameters": { "cost": { "label": "Asset cost", "type": "money", "required": true, "default": 50000 }, "salvageValue": { "label": "Salvage value", "type": "money", "required": true, "default": 5000 }, "usefulLife": { "label": "Useful life in years", "type": "number", "required": true, "default": 8 }, "firstYearMonths": { "label": "Months in first year", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "cost", "label": "Asset cost", "type": "money", "required": true, "defaultValue": 50000, "min": 0.01, "step": 100 }, { "id": "salvageValue", "label": "Salvage value", "type": "money", "required": true, "defaultValue": 5000, "min": 0, "step": 100 }, { "id": "usefulLife", "label": "Useful life in years", "type": "number", "required": true, "defaultValue": 8, "min": 1, "max": 100, "step": 1 }, { "id": "firstYearMonths", "label": "Months in first year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 12, "step": 1 } ], "outputs": [ { "id": "fixedRate", "label": "Fixed declining rate", "format": "percent", "primary": true, "digits": 6 }, { "id": "firstYearDepreciation", "label": "First-year depreciation", "format": "currency" }, { "id": "totalDepreciation", "label": "Total scheduled depreciation", "format": "currency" }, { "id": "endingBookValue", "label": "Ending book value", "format": "currency" } ], "formula": { "expression": "fixed rate = 1 − (salvage ÷ cost)^(1/life); first and final years are prorated when applicable" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 50000, "salvageValue": 5000, "usefulLife": 8, "firstYearMonths": 12 } } ], "sources": [] }, { "id": "future-value-calculator", "version": "1.0.0", "name": "Future Value Calculator", "shortName": "Future value", "description": "Grow a present amount at a fixed rate with selectable compounding.", "category": "Finance", "categorySlug": "finance", "keywords": [ "future value", "investment growth", "compounding frequency", "lump sum" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/future-value-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/future-value-calculator/", "definition": "/calculator/future-value-calculator/definition.json", "schema": "/calculator/future-value-calculator/schema.json", "llms": "/calculator/future-value-calculator/llms.txt", "legacyDefinition": "/calculator/future-value-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/future-value-calculator/?presentValue=10000&annualRate=6&years=5&compounding=12", "queryParameters": { "presentValue": { "label": "Present value", "type": "money", "required": true, "default": 10000 }, "annualRate": { "label": "Annual rate", "type": "percent", "required": true, "default": 6 }, "years": { "label": "Years", "type": "number", "required": true, "default": 5 }, "compounding": { "label": "Compounding periods per year", "type": "select", "required": true, "default": 12 } }, "inputs": [ { "id": "presentValue", "label": "Present value", "type": "money", "required": true, "defaultValue": 10000, "min": 0, "step": 100, "width": "half" }, { "id": "annualRate", "label": "Annual rate", "type": "percent", "required": true, "defaultValue": 6, "min": -99, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Years", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 200, "step": 0.1, "width": "half" }, { "id": "compounding", "label": "Compounding periods per year", "type": "select", "required": true, "defaultValue": 12, "options": [ { "label": "Yearly", "value": 1 }, { "label": "Quarterly", "value": 4 }, { "label": "Monthly", "value": 12 }, { "label": "Daily", "value": 365 } ], "width": "half" } ], "outputs": [ { "id": "futureValue", "label": "Future value", "format": "currency", "primary": true }, { "id": "growth", "label": "Growth", "format": "currency" }, { "id": "multiplier", "label": "Value multiplier", "format": "number", "digits": 4, "suffix": "×" } ], "formula": { "expression": "FV = PV × (1 + r/m)ᵐᵗ" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "presentValue": 10000, "annualRate": 6, "years": 5, "compounding": 12 } } ], "sources": [] }, { "id": "future-value-of-dollar-1-annuity-table-calculator", "version": "1.0.0", "name": "Future Value of $1 Annuity Table (FVIFA) Calculator", "shortName": "Future Value of $1 Annuity Table (FVIFA)", "description": "Calculate future-value annuity factors for end- or beginning-of-period payments of $1.", "category": "Finance", "categorySlug": "finance", "keywords": [ "future", "value", "of", "1", "annuity", "table", "fvifa", "calculator", "future value of dollar 1 annuity table calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/future-value-of-dollar-1-annuity-table-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/future-value-of-dollar-1-annuity-table-calculator/", "definition": "/calculator/future-value-of-dollar-1-annuity-table-calculator/definition.json", "schema": "/calculator/future-value-of-dollar-1-annuity-table-calculator/schema.json", "llms": "/calculator/future-value-of-dollar-1-annuity-table-calculator/llms.txt", "legacyDefinition": "/calculator/future-value-of-dollar-1-annuity-table-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/future-value-of-dollar-1-annuity-table-calculator/?ratePerPeriod=5&periods=20&paymentTiming=end", "queryParameters": { "ratePerPeriod": { "label": "Interest rate per period", "type": "percent", "required": true, "default": 5 }, "periods": { "label": "Number of periods", "type": "number", "required": true, "default": 20 }, "paymentTiming": { "label": "Payment timing", "type": "select", "required": true, "default": "end" } }, "inputs": [ { "id": "ratePerPeriod", "label": "Interest rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "periods", "label": "Number of periods", "type": "number", "required": true, "defaultValue": 20, "min": 1, "max": 500, "step": 1 }, { "id": "paymentTiming", "label": "Payment timing", "type": "select", "required": true, "defaultValue": "end", "options": [ { "label": "End of each period (ordinary)", "value": "end" }, { "label": "Beginning of each period (annuity due)", "value": "begin" } ] } ], "outputs": [ { "id": "fvifa", "label": "FV annuity factor", "format": "number", "primary": true, "digits": 10 }, { "id": "futureValue", "label": "Future value of $1 payments", "format": "currency", "digits": 10 }, { "id": "totalContributions", "label": "Total $1 payments", "format": "currency" } ], "formula": { "expression": "FVIFA = [(1+i)^n − 1] ÷ i, multiplied by (1+i) for an annuity due" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ratePerPeriod": 5, "periods": 20, "paymentTiming": "end" } } ], "sources": [] }, { "id": "future-value-of-dollar-1-table-calculator", "version": "1.0.0", "name": "Future Value of $1 Table (FVIF) Calculator", "shortName": "Future Value of $1 Table (FVIF)", "description": "Calculate future-value interest factors and create a period-by-period FVIF table.", "category": "Finance", "categorySlug": "finance", "keywords": [ "future", "value", "of", "1", "table", "fvif", "calculator", "future value of dollar 1 table calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/future-value-of-dollar-1-table-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/future-value-of-dollar-1-table-calculator/", "definition": "/calculator/future-value-of-dollar-1-table-calculator/definition.json", "schema": "/calculator/future-value-of-dollar-1-table-calculator/schema.json", "llms": "/calculator/future-value-of-dollar-1-table-calculator/llms.txt", "legacyDefinition": "/calculator/future-value-of-dollar-1-table-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/future-value-of-dollar-1-table-calculator/?ratePerPeriod=5&periods=20", "queryParameters": { "ratePerPeriod": { "label": "Interest rate per period", "type": "percent", "required": true, "default": 5 }, "periods": { "label": "Number of periods", "type": "number", "required": true, "default": 20 } }, "inputs": [ { "id": "ratePerPeriod", "label": "Interest rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "periods", "label": "Number of periods", "type": "number", "required": true, "defaultValue": 20, "min": 1, "max": 500, "step": 1 } ], "outputs": [ { "id": "fvif", "label": "FVIF at final period", "format": "number", "primary": true, "digits": 10 }, { "id": "futureValue", "label": "Future value of $1", "format": "currency", "digits": 10 }, { "id": "growthPercent", "label": "Total growth", "format": "percent", "digits": 8 } ], "formula": { "expression": "FVIF(i,n) = (1+i)^n" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ratePerPeriod": 5, "periods": 20 } } ], "sources": [] }, { "id": "future-value-of-cash-flows-calculator", "version": "1.0.0", "name": "Future Value of Cash Flows Calculator", "shortName": "Future Value of Cash Flows", "description": "Compound a series of dated-by-period cash flows to a common future period.", "category": "Finance", "categorySlug": "finance", "keywords": [ "future", "value", "of", "cash", "flows", "calculator", "future value of cash flows calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/future-value-of-cash-flows-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/future-value-of-cash-flows-calculator/", "definition": "/calculator/future-value-of-cash-flows-calculator/definition.json", "schema": "/calculator/future-value-of-cash-flows-calculator/schema.json", "llms": "/calculator/future-value-of-cash-flows-calculator/llms.txt", "legacyDefinition": "/calculator/future-value-of-cash-flows-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/future-value-of-cash-flows-calculator/?cashFlows=-1000%2C+200%2C+300%2C+400%2C+500&ratePerPeriod=5&futurePeriod=4", "queryParameters": { "cashFlows": { "label": "Cash flows by period", "type": "text", "required": true, "default": "-1000, 200, 300, 400, 500" }, "ratePerPeriod": { "label": "Interest rate per period", "type": "percent", "required": true, "default": 5 }, "futurePeriod": { "label": "Target future period", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "cashFlows", "label": "Cash flows by period", "type": "text", "required": true, "defaultValue": "-1000, 200, 300, 400, 500", "placeholder": "Period 0 first; comma-separated" }, { "id": "ratePerPeriod", "label": "Interest rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "futurePeriod", "label": "Target future period", "type": "number", "required": true, "defaultValue": 4, "min": 0, "max": 1000, "step": 1 } ], "outputs": [ { "id": "futureValue", "label": "Future value at target period", "format": "currency", "primary": true }, { "id": "cashFlowTotal", "label": "Undiscounted cash-flow total", "format": "currency" }, { "id": "interestEffect", "label": "Compounding effect", "format": "currency" }, { "id": "cashFlowCount", "label": "Cash flows", "format": "integer" } ], "formula": { "expression": "FV at N = Σ CFₜ(1+i)^(N−t)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cashFlows": "-1000, 200, 300, 400, 500", "ratePerPeriod": 5, "futurePeriod": 4 } } ], "sources": [] }, { "id": "gdp-calculator", "version": "7.0.0", "name": "GDP Calculator", "shortName": "GDP", "description": "Calculate Gross Domestic Product using the expenditure approach (C + I + G + NX).", "category": "Finance", "categorySlug": "finance", "keywords": [ "gdp" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gdp-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/gdp-calculator/", "definition": "/calculator/gdp-calculator/definition.json", "schema": "/calculator/gdp-calculator/schema.json", "llms": "/calculator/gdp-calculator/llms.txt", "legacyDefinition": "/calculator/gdp-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gdp-calculator/?consumption=14000&investment=4000&government=3500&exports=2500&imports=3000", "queryParameters": { "consumption": { "label": "Consumption (C)", "type": "number", "required": false, "default": 14000 }, "investment": { "label": "Investment (I)", "type": "number", "required": false, "default": 4000 }, "government": { "label": "Gov Spending (G)", "type": "number", "required": false, "default": 3500 }, "exports": { "label": "Exports (X)", "type": "number", "required": false, "default": 2500 }, "imports": { "label": "Imports (M)", "type": "number", "required": false, "default": 3000 } }, "inputs": [ { "id": "consumption", "label": "Consumption (C)", "type": "number", "defaultValue": 14000 }, { "id": "investment", "label": "Investment (I)", "type": "number", "defaultValue": 4000 }, { "id": "government", "label": "Gov Spending (G)", "type": "number", "defaultValue": 3500 }, { "id": "exports", "label": "Exports (X)", "type": "number", "defaultValue": 2500 }, { "id": "imports", "label": "Imports (M)", "type": "number", "defaultValue": 3000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "GDP = consumption + investment + government spending + exports − imports." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "consumption": 14000, "investment": 4000, "government": 3500, "exports": 2500, "imports": 3000 } } ], "sources": [] }, { "id": "heloc-calculator", "version": "1.0.0", "name": "Home Equity Line of Credit (HELOC) Calculator", "shortName": "HELOC", "description": "Estimate interest-only draw payments, repayment-period payments, fees, and an LTV-based HELOC limit.", "category": "Finance", "categorySlug": "finance", "keywords": [ "heloc", "home equity line of credit", "draw period", "repayment period", "ltv", "variable rate" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/heloc-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This model assumes the full line is drawn immediately and the interest rate stays unchanged.", "urls": { "page": "/calculator/heloc-calculator/", "definition": "/calculator/heloc-calculator/definition.json", "schema": "/calculator/heloc-calculator/schema.json", "llms": "/calculator/heloc-calculator/llms.txt", "legacyDefinition": "/calculator/heloc-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/heloc-calculator/?creditLine=50000&annualRate=8&drawYears=5&repaymentYears=15&annualFee=0&includeClosingCosts=0&homeValue=500000&mortgageBalance=210000&maxLtv=80", "queryParameters": { "creditLine": { "label": "Amount drawn", "type": "money", "required": true, "default": 50000 }, "annualRate": { "label": "Interest rate", "type": "percent", "required": true, "default": 8 }, "drawYears": { "label": "Draw period", "type": "number", "required": true, "default": 5 }, "repaymentYears": { "label": "Repayment period", "type": "number", "required": true, "default": 15 }, "annualFee": { "label": "Annual fee", "type": "money", "required": false, "default": 0 }, "includeClosingCosts": { "label": "Include closing costs", "type": "checkbox", "required": false, "default": false }, "closingCostValue": { "label": "Closing cost value", "type": "number", "required": true, "default": 2, "showWhen": { "field": "includeClosingCosts", "equals": true } }, "closingCostUnit": { "label": "Closing cost unit", "type": "select", "required": true, "default": "percent", "showWhen": { "field": "includeClosingCosts", "equals": true } }, "closingCostTreatment": { "label": "Closing cost treatment", "type": "select", "required": true, "default": "deducted", "showWhen": { "field": "includeClosingCosts", "equals": true } }, "homeValue": { "label": "Current home value", "type": "money", "required": true, "default": 500000 }, "mortgageBalance": { "label": "Current mortgage balance", "type": "money", "required": true, "default": 210000 }, "maxLtv": { "label": "Maximum combined LTV", "type": "percent", "required": true, "default": 80 } }, "inputs": [ { "id": "creditLine", "label": "Amount drawn", "type": "money", "required": true, "defaultValue": 50000, "min": 1, "step": 1000, "width": "half" }, { "id": "annualRate", "label": "Interest rate", "type": "percent", "required": true, "defaultValue": 8, "min": 0, "max": 50, "step": 0.05, "control": "slider-number", "width": "half" }, { "id": "drawYears", "label": "Draw period", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 30, "step": 1, "suffix": " years", "width": "half" }, { "id": "repaymentYears", "label": "Repayment period", "type": "number", "required": true, "defaultValue": 15, "min": 1, "max": 40, "step": 1, "suffix": " years", "width": "half" }, { "id": "annualFee", "label": "Annual fee", "type": "money", "defaultValue": 0, "min": 0, "step": 10, "help": "Spread evenly across monthly outlays.", "width": "full" }, { "id": "includeClosingCosts", "label": "Include closing costs", "type": "checkbox", "defaultValue": false, "help": "Adds fees to the cost and APR estimate.", "width": "full" }, { "id": "closingCostValue", "label": "Closing cost value", "type": "number", "required": true, "defaultValue": 2, "min": 0, "step": 0.1, "showWhen": { "field": "includeClosingCosts", "equals": true }, "width": "half" }, { "id": "closingCostUnit", "label": "Closing cost unit", "type": "select", "required": true, "defaultValue": "percent", "options": [ { "label": "Percent of amount drawn", "value": "percent" }, { "label": "Dollar amount", "value": "amount" } ], "showWhen": { "field": "includeClosingCosts", "equals": true }, "width": "half" }, { "id": "closingCostTreatment", "label": "Closing cost treatment", "type": "select", "required": true, "defaultValue": "deducted", "options": [ { "label": "Deducted from proceeds", "value": "deducted" }, { "label": "Paid upfront", "value": "upfront" } ], "showWhen": { "field": "includeClosingCosts", "equals": true }, "width": "full" }, { "id": "homeValue", "label": "Current home value", "type": "money", "required": true, "defaultValue": 500000, "min": 1, "step": 1000, "help": "Used for the borrowing-limit estimate.", "width": "half" }, { "id": "mortgageBalance", "label": "Current mortgage balance", "type": "money", "required": true, "defaultValue": 210000, "min": 0, "step": 1000, "width": "half" }, { "id": "maxLtv", "label": "Maximum combined LTV", "type": "percent", "required": true, "defaultValue": 80, "min": 1, "max": 100, "step": 1, "control": "slider-number", "width": "full" } ], "outputs": [ { "id": "drawMonthlyPayment", "label": "Draw-period monthly outlay", "format": "currency", "primary": true }, { "id": "repaymentMonthlyPayment", "label": "Repayment-period monthly outlay", "format": "currency" }, { "id": "totalScheduledPayments", "label": "Total scheduled monthly outlays", "format": "currency" }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "totalFees", "label": "Closing + annual fees", "format": "currency" }, { "id": "totalBorrowingCost", "label": "Interest + fees", "format": "currency" }, { "id": "cashReceived", "label": "Proceeds received", "format": "currency" }, { "id": "cashDueAtClosing", "label": "Cash due at closing", "format": "currency" }, { "id": "estimatedApr", "label": "Cash-flow APR estimate", "format": "percent", "digits": 3 }, { "id": "estimatedCreditLimit", "label": "LTV-based HELOC limit", "format": "currency" }, { "id": "combinedLtv", "label": "Combined LTV with this draw", "format": "percent", "digits": 2 } ], "formula": { "expression": "Draw payment = balance × r; repayment M = P × [r(1 + r)ⁿ] ÷ [(1 + r)ⁿ − 1]", "variables": [ { "symbol": "P", "meaning": "amount drawn at the start" }, { "symbol": "r", "meaning": "monthly interest rate" }, { "symbol": "M", "meaning": "repayment-period principal-and-interest payment" }, { "symbol": "n", "meaning": "number of repayment months" } ], "note": "The draw period is modeled as interest-only. Annual fees are divided into monthly outlays, and the rate is held constant." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "creditLine": 50000, "annualRate": 8, "drawYears": 5, "repaymentYears": 15, "annualFee": 0, "includeClosingCosts": false, "closingCostValue": 2, "closingCostUnit": "percent", "closingCostTreatment": "deducted", "homeValue": 500000, "mortgageBalance": 210000, "maxLtv": 80 } } ], "sources": [ { "label": "Consumer Financial Protection Bureau: What is a HELOC?", "url": "https://www.consumerfinance.gov/ask-cfpb/what-is-a-home-equity-line-of-credit-heloc-en-107/" }, { "label": "Consumer Financial Protection Bureau: HELOC fees", "url": "https://www.consumerfinance.gov/ask-cfpb/what-fees-can-my-lender-charge-if-i-take-out-a-heloc-en-249/" } ] }, { "id": "home-equity-loan-calculator", "version": "1.0.0", "name": "Home Equity Loan Calculator", "shortName": "Home equity loan", "description": "Estimate a fixed home equity loan payment, borrowing costs, amortization, and an LTV-based borrowing limit.", "category": "Finance", "categorySlug": "finance", "keywords": [ "home equity loan", "second mortgage", "hel", "ltv", "loan payment", "closing costs" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/home-equity-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Your home secures this loan. This estimate is not a lender approval or loan offer.", "urls": { "page": "/calculator/home-equity-loan-calculator/", "definition": "/calculator/home-equity-loan-calculator/definition.json", "schema": "/calculator/home-equity-loan-calculator/schema.json", "llms": "/calculator/home-equity-loan-calculator/llms.txt", "legacyDefinition": "/calculator/home-equity-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/home-equity-loan-calculator/?loanAmount=150000&annualRate=8&termYears=15&includeClosingCosts=0&homeValue=500000&mortgageBalance=230000&maxLtv=80", "queryParameters": { "loanAmount": { "label": "Loan amount", "type": "money", "required": true, "default": 150000 }, "annualRate": { "label": "Interest rate", "type": "percent", "required": true, "default": 8 }, "termYears": { "label": "Loan term", "type": "number", "required": true, "default": 15 }, "includeClosingCosts": { "label": "Include closing costs", "type": "checkbox", "required": false, "default": false }, "closingCostValue": { "label": "Closing cost value", "type": "number", "required": true, "default": 2, "showWhen": { "field": "includeClosingCosts", "equals": true } }, "closingCostUnit": { "label": "Closing cost unit", "type": "select", "required": true, "default": "percent", "showWhen": { "field": "includeClosingCosts", "equals": true } }, "closingCostTreatment": { "label": "Closing cost treatment", "type": "select", "required": true, "default": "deducted", "showWhen": { "field": "includeClosingCosts", "equals": true } }, "homeValue": { "label": "Current home value", "type": "money", "required": true, "default": 500000 }, "mortgageBalance": { "label": "Current mortgage balance", "type": "money", "required": true, "default": 230000 }, "maxLtv": { "label": "Maximum combined LTV", "type": "percent", "required": true, "default": 80 } }, "inputs": [ { "id": "loanAmount", "label": "Loan amount", "type": "money", "required": true, "defaultValue": 150000, "min": 1, "step": 1000, "width": "half" }, { "id": "annualRate", "label": "Interest rate", "type": "percent", "required": true, "defaultValue": 8, "min": 0, "max": 50, "step": 0.05, "control": "slider-number", "width": "half" }, { "id": "termYears", "label": "Loan term", "type": "number", "required": true, "defaultValue": 15, "min": 1, "max": 50, "step": 1, "suffix": " years", "width": "half" }, { "id": "includeClosingCosts", "label": "Include closing costs", "type": "checkbox", "defaultValue": false, "help": "Adds fees to the cost and APR estimate.", "width": "full" }, { "id": "closingCostValue", "label": "Closing cost value", "type": "number", "required": true, "defaultValue": 2, "min": 0, "step": 0.1, "showWhen": { "field": "includeClosingCosts", "equals": true }, "width": "half" }, { "id": "closingCostUnit", "label": "Closing cost unit", "type": "select", "required": true, "defaultValue": "percent", "options": [ { "label": "Percent of loan", "value": "percent" }, { "label": "Dollar amount", "value": "amount" } ], "showWhen": { "field": "includeClosingCosts", "equals": true }, "width": "half" }, { "id": "closingCostTreatment", "label": "Closing cost treatment", "type": "select", "required": true, "defaultValue": "deducted", "options": [ { "label": "Deducted from loan proceeds", "value": "deducted" }, { "label": "Paid upfront", "value": "upfront" } ], "showWhen": { "field": "includeClosingCosts", "equals": true }, "width": "full" }, { "id": "homeValue", "label": "Current home value", "type": "money", "required": true, "defaultValue": 500000, "min": 1, "step": 1000, "help": "Used for the borrowing-limit estimate.", "width": "half" }, { "id": "mortgageBalance", "label": "Current mortgage balance", "type": "money", "required": true, "defaultValue": 230000, "min": 0, "step": 1000, "width": "half" }, { "id": "maxLtv", "label": "Maximum combined LTV", "type": "percent", "required": true, "defaultValue": 80, "min": 1, "max": 100, "step": 1, "control": "slider-number", "width": "full" } ], "outputs": [ { "id": "monthlyPayment", "label": "Monthly payment", "format": "currency", "primary": true }, { "id": "totalOfPayments", "label": "Total of loan payments", "format": "currency" }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "closingCosts", "label": "Closing costs", "format": "currency" }, { "id": "totalBorrowingCost", "label": "Interest + closing costs", "format": "currency" }, { "id": "cashReceived", "label": "Loan proceeds received", "format": "currency" }, { "id": "cashDueAtClosing", "label": "Cash due at closing", "format": "currency" }, { "id": "estimatedApr", "label": "Cash-flow APR estimate", "format": "percent", "digits": 3 }, { "id": "estimatedBorrowingLimit", "label": "LTV-based borrowing limit", "format": "currency" }, { "id": "combinedLtv", "label": "Combined LTV with this loan", "format": "percent", "digits": 2 } ], "formula": { "expression": "M = P × [r(1 + r)ⁿ] ÷ [(1 + r)ⁿ − 1]; limit = home value × LTV − mortgage balance", "variables": [ { "symbol": "M", "meaning": "monthly principal-and-interest payment" }, { "symbol": "P", "meaning": "home equity loan amount" }, { "symbol": "r", "meaning": "monthly interest rate" }, { "symbol": "n", "meaning": "number of monthly payments" }, { "symbol": "LTV", "meaning": "maximum combined loan-to-value ratio" } ], "note": "The APR estimate solves the monthly cash flows after closing costs. The lender's disclosed APR may use additional rules or charges." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 150000, "annualRate": 8, "termYears": 15, "includeClosingCosts": false, "closingCostValue": 2, "closingCostUnit": "percent", "closingCostTreatment": "deducted", "homeValue": 500000, "mortgageBalance": 230000, "maxLtv": 80 } } ], "sources": [ { "label": "Consumer Financial Protection Bureau: What is a home equity loan?", "url": "https://www.consumerfinance.gov/ask-cfpb/what-is-a-home-equity-loan-en-106/" }, { "label": "Consumer Financial Protection Bureau: Home equity loan versus HELOC", "url": "https://www.consumerfinance.gov/ask-cfpb/what-is-the-difference-between-a-home-equity-loan-and-a-home-equity-line-of-credit-heloc-en-247/" } ] }, { "id": "house-affordability-calculator", "version": "20.1.0", "name": "House Affordability Calculator", "shortName": "House affordability", "description": "Estimate a home price from income, debts, down payment, rate, and housing costs.", "category": "Finance", "categorySlug": "finance", "keywords": [ "home affordability", "maximum house price", "mortgage budget", "dti" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/house-affordability-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Planning estimate only. It is not a lending decision.", "urls": { "page": "/calculator/house-affordability-calculator/", "definition": "/calculator/house-affordability-calculator/definition.json", "schema": "/calculator/house-affordability-calculator/schema.json", "llms": "/calculator/house-affordability-calculator/llms.txt", "legacyDefinition": "/calculator/house-affordability-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/house-affordability-calculator/?annualIncome=120000&monthlyDebts=500&downPayment=80000&annualRate=6.5&years=30&maxDti=36&propertyTaxRate=1.2&insuranceRate=0.4", "queryParameters": { "annualIncome": { "label": "Gross annual income", "type": "money", "required": true, "default": 120000 }, "monthlyDebts": { "label": "Other monthly debt", "type": "money", "required": true, "default": 500 }, "downPayment": { "label": "Available down payment", "type": "money", "required": true, "default": 80000 }, "annualRate": { "label": "Mortgage rate", "type": "percent", "required": true, "default": 6.5 }, "years": { "label": "Loan term", "type": "select", "required": true, "default": 30 }, "maxDti": { "label": "Maximum total DTI", "type": "percent", "required": true, "default": 36 }, "propertyTaxRate": { "label": "Annual property tax", "type": "percent", "required": false, "default": 1.2 }, "insuranceRate": { "label": "Annual insurance estimate", "type": "percent", "required": false, "default": 0.4 } }, "inputs": [ { "id": "annualIncome", "label": "Gross annual income", "type": "money", "required": true, "defaultValue": 120000, "min": 1, "step": 1000, "width": "half" }, { "id": "monthlyDebts", "label": "Other monthly debt", "type": "money", "required": true, "defaultValue": 500, "min": 0, "step": 25, "width": "half" }, { "id": "downPayment", "label": "Available down payment", "type": "money", "required": true, "defaultValue": 80000, "min": 0, "step": 1000, "width": "half" }, { "id": "annualRate", "label": "Mortgage rate", "type": "percent", "required": true, "defaultValue": 6.5, "min": 0, "max": 25, "step": 0.05, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Loan term", "type": "select", "required": true, "defaultValue": 30, "options": [ { "label": "15 years", "value": 15 }, { "label": "20 years", "value": 20 }, { "label": "30 years", "value": 30 } ], "width": "half" }, { "id": "maxDti", "label": "Maximum total DTI", "type": "percent", "required": true, "defaultValue": 36, "min": 1, "max": 60, "step": 0.5, "width": "half" }, { "id": "propertyTaxRate", "label": "Annual property tax", "type": "percent", "defaultValue": 1.2, "min": 0, "max": 10, "step": 0.1, "width": "half" }, { "id": "insuranceRate", "label": "Annual insurance estimate", "type": "percent", "defaultValue": 0.4, "min": 0, "max": 10, "step": 0.1, "width": "half" } ], "outputs": [ { "id": "maxHomePrice", "label": "Estimated maximum home price", "format": "currency", "primary": true }, { "id": "maxHousingPayment", "label": "Maximum monthly housing cost", "format": "currency" }, { "id": "loanAmount", "label": "Estimated loan amount", "format": "currency" }, { "id": "principalInterest", "label": "Estimated principal + interest", "format": "currency" }, { "id": "taxesInsurance", "label": "Estimated taxes + insurance", "format": "currency" } ], "formula": { "expression": "Maximum housing cost = monthly income × DTI limit − other debt", "note": "The home price is solved from the mortgage payment factor plus estimated tax and insurance." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "annualIncome": 120000, "monthlyDebts": 500, "downPayment": 80000, "annualRate": 6.5, "years": 30, "maxDti": 36, "propertyTaxRate": 1.2, "insuranceRate": 0.4 } } ], "sources": [ { "label": "CFPB: decide how much to spend on a home", "url": "https://www.consumerfinance.gov/owning-a-home/prepare/decide-how-much-you-want-spend/" }, { "label": "CFPB: principal, interest and total monthly housing payment", "url": "https://www.consumerfinance.gov/ask-cfpb/on-a-mortgage-whats-the-difference-between-my-principal-and-interest-payment-and-my-total-monthly-payment-en-1941/" } ] }, { "id": "how-much-car-can-i-afford-calculator", "version": "1.0.0", "name": "How Much Car Can I Afford Calculator", "shortName": "How Much Car Can I Afford", "description": "Estimate an affordable vehicle price from a monthly payment budget, financing terms, down payment, trade-in, taxes, and fees.", "category": "Finance", "categorySlug": "finance", "keywords": [ "how", "much", "car", "can", "i", "afford", "calculator", "how much car can i afford calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/how-much-car-can-i-afford-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Affordability depends on your full budget and lender underwriting. This estimate is not lending or financial advice.", "urls": { "page": "/calculator/how-much-car-can-i-afford-calculator/", "definition": "/calculator/how-much-car-can-i-afford-calculator/definition.json", "schema": "/calculator/how-much-car-can-i-afford-calculator/schema.json", "llms": "/calculator/how-much-car-can-i-afford-calculator/llms.txt", "legacyDefinition": "/calculator/how-much-car-can-i-afford-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/how-much-car-can-i-afford-calculator/?monthlyPaymentBudget=600&annualRate=7&loanMonths=60&downPayment=5000&tradeInValue=2000&salesTaxRate=6.25&fees=800", "queryParameters": { "monthlyPaymentBudget": { "label": "Maximum monthly payment", "type": "money", "required": true, "default": 600 }, "annualRate": { "label": "Loan annual rate", "type": "percent", "required": true, "default": 7 }, "loanMonths": { "label": "Loan term in months", "type": "number", "required": true, "default": 60 }, "downPayment": { "label": "Cash down payment", "type": "money", "required": true, "default": 5000 }, "tradeInValue": { "label": "Net trade-in credit", "type": "money", "required": true, "default": 2000 }, "salesTaxRate": { "label": "Sales tax rate", "type": "percent", "required": true, "default": 6.25 }, "fees": { "label": "Title, registration, and other fees", "type": "money", "required": true, "default": 800 } }, "inputs": [ { "id": "monthlyPaymentBudget", "label": "Maximum monthly payment", "type": "money", "required": true, "defaultValue": 600, "min": 0, "step": 10 }, { "id": "annualRate", "label": "Loan annual rate", "type": "percent", "required": true, "defaultValue": 7, "min": 0, "max": 100, "step": 0.01 }, { "id": "loanMonths", "label": "Loan term in months", "type": "number", "required": true, "defaultValue": 60, "min": 1, "max": 120, "step": 1 }, { "id": "downPayment", "label": "Cash down payment", "type": "money", "required": true, "defaultValue": 5000, "min": 0, "step": 100 }, { "id": "tradeInValue", "label": "Net trade-in credit", "type": "money", "required": true, "defaultValue": 2000, "min": 0, "step": 100 }, { "id": "salesTaxRate", "label": "Sales tax rate", "type": "percent", "required": true, "defaultValue": 6.25, "min": 0, "max": 100, "step": 0.01 }, { "id": "fees", "label": "Title, registration, and other fees", "type": "money", "required": true, "defaultValue": 800, "min": 0, "step": 10 } ], "outputs": [ { "id": "maximumVehiclePrice", "label": "Estimated maximum vehicle price", "format": "currency", "primary": true }, { "id": "maximumAmountFinanced", "label": "Maximum amount financed", "format": "currency" }, { "id": "estimatedSalesTax", "label": "Estimated sales tax", "format": "currency" }, { "id": "totalUpfrontCredits", "label": "Down payment + trade-in", "format": "currency" }, { "id": "totalLoanPayments", "label": "Total scheduled loan payments", "format": "currency" } ], "formula": { "expression": "loan principal = payment × annuity PV factor; vehicle price solves financed amount = price + tax + fees − down payment − trade-in" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "monthlyPaymentBudget": 600, "annualRate": 7, "loanMonths": 60, "downPayment": 5000, "tradeInValue": 2000, "salesTaxRate": 6.25, "fees": 800 } } ], "sources": [] }, { "id": "how-much-of-a-loan-can-i-afford-calculator", "version": "1.0.0", "name": "How Much of a Loan Can I Afford Calculator", "shortName": "How Much of a Loan Can I Afford", "description": "Calculate the maximum loan principal supported by a payment budget, rate, term, and financed fees.", "category": "Finance", "categorySlug": "finance", "keywords": [ "how", "much", "of", "a", "loan", "can", "i", "afford", "calculator", "how much of a loan can i afford calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/how-much-of-a-loan-can-i-afford-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This estimate is not a loan offer or approval and does not account for all lender fees or underwriting requirements.", "urls": { "page": "/calculator/how-much-of-a-loan-can-i-afford-calculator/", "definition": "/calculator/how-much-of-a-loan-can-i-afford-calculator/definition.json", "schema": "/calculator/how-much-of-a-loan-can-i-afford-calculator/schema.json", "llms": "/calculator/how-much-of-a-loan-can-i-afford-calculator/llms.txt", "legacyDefinition": "/calculator/how-much-of-a-loan-can-i-afford-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/how-much-of-a-loan-can-i-afford-calculator/?paymentBudget=500&annualRate=7&paymentsPerYear=12&years=5&financedFeePercent=0", "queryParameters": { "paymentBudget": { "label": "Maximum periodic payment", "type": "money", "required": true, "default": 500 }, "annualRate": { "label": "Annual nominal rate", "type": "percent", "required": true, "default": 7 }, "paymentsPerYear": { "label": "Payments per year", "type": "number", "required": true, "default": 12 }, "years": { "label": "Loan term in years", "type": "number", "required": true, "default": 5 }, "financedFeePercent": { "label": "Financed fee as % of gross loan", "type": "percent", "required": true, "default": 0 } }, "inputs": [ { "id": "paymentBudget", "label": "Maximum periodic payment", "type": "money", "required": true, "defaultValue": 500, "min": 0, "step": 10 }, { "id": "annualRate", "label": "Annual nominal rate", "type": "percent", "required": true, "defaultValue": 7, "min": 0, "max": 100, "step": 0.01 }, { "id": "paymentsPerYear", "label": "Payments per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 }, { "id": "years", "label": "Loan term in years", "type": "number", "required": true, "defaultValue": 5, "min": 0.01, "max": 100, "step": 0.25 }, { "id": "financedFeePercent", "label": "Financed fee as % of gross loan", "type": "percent", "required": true, "defaultValue": 0, "min": 0, "max": 99.99, "step": 0.01 } ], "outputs": [ { "id": "maximumGrossLoan", "label": "Maximum gross loan", "format": "currency", "primary": true }, { "id": "netLoanProceeds", "label": "Estimated net proceeds", "format": "currency" }, { "id": "totalPayments", "label": "Total scheduled payments", "format": "currency" }, { "id": "totalInterestAndFees", "label": "Payments less net proceeds", "format": "currency" }, { "id": "paymentCount", "label": "Number of payments", "format": "integer" } ], "formula": { "expression": "present value = payment × [1 − (1+i)^−n] ÷ i; net proceeds = gross loan × (1 − fee%)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "paymentBudget": 500, "annualRate": 7, "paymentsPerYear": 12, "years": 5, "financedFeePercent": 0 } } ], "sources": [] }, { "id": "income-tax-calculator", "version": "7.0.0", "name": "Income Tax Calculator", "shortName": "Income Tax", "description": "Estimate 2026 U.S. federal income tax using the standard deduction and progressive brackets.", "category": "Finance", "categorySlug": "finance", "keywords": [ "income", "tax" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/income-tax-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Tax estimate only; not tax advice.", "urls": { "page": "/calculator/income-tax-calculator/", "definition": "/calculator/income-tax-calculator/definition.json", "schema": "/calculator/income-tax-calculator/schema.json", "llms": "/calculator/income-tax-calculator/llms.txt", "legacyDefinition": "/calculator/income-tax-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/income-tax-calculator/?income=75000&filingStatus=single", "queryParameters": { "income": { "label": "Annual Income ($)", "type": "number", "required": false, "default": 75000 }, "filingStatus": { "label": "Filing Status", "type": "text", "required": false, "default": "single" } }, "inputs": [ { "id": "income", "label": "Annual Income ($)", "type": "number", "defaultValue": 75000 }, { "id": "filingStatus", "label": "Filing Status", "type": "text", "defaultValue": "single" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "2026 taxable income = max(gross income − standard deduction, 0); federal tax is the sum of tax charged within each progressive bracket.", "note": "Federal estimate only. Credits, itemized deductions, additional deductions, self-employment tax, and state tax are excluded." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "income": 75000, "filingStatus": "single" } } ], "sources": [ { "label": "IRS 2026 tax inflation adjustments", "url": "https://www.irs.gov/newsroom/irs-releases-tax-inflation-adjustments-for-tax-year-2026-including-amendments-from-the-one-big-beautiful-bill" } ] }, { "id": "inflation-calculator", "version": "1.0.0", "name": "Inflation Calculator", "shortName": "Inflation", "description": "Estimate future cost, purchasing power, and cumulative inflation.", "category": "Finance", "categorySlug": "finance", "keywords": [ "inflation rate", "purchasing power", "future cost", "price increase" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/inflation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/inflation-calculator/", "definition": "/calculator/inflation-calculator/definition.json", "schema": "/calculator/inflation-calculator/schema.json", "llms": "/calculator/inflation-calculator/llms.txt", "legacyDefinition": "/calculator/inflation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/inflation-calculator/?amount=1000&annualInflation=3&years=10", "queryParameters": { "amount": { "label": "Current amount", "type": "money", "required": true, "default": 1000 }, "annualInflation": { "label": "Annual inflation", "type": "percent", "required": true, "default": 3 }, "years": { "label": "Years", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "amount", "label": "Current amount", "type": "money", "required": true, "defaultValue": 1000, "min": 0, "step": 10, "width": "half" }, { "id": "annualInflation", "label": "Annual inflation", "type": "percent", "required": true, "defaultValue": 3, "min": -20, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Years", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 200, "step": 1, "width": "full" } ], "outputs": [ { "id": "futureCost", "label": "Future cost", "format": "currency", "primary": true }, { "id": "purchasingPower", "label": "Future purchasing power of current amount", "format": "currency" }, { "id": "cumulativeInflation", "label": "Cumulative inflation", "format": "percent" }, { "id": "purchasingPowerLost", "label": "Purchasing power lost", "format": "currency" } ], "formula": { "expression": "Future cost = current amount × (1 + inflation rate)ʸᵉᵃʳˢ" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 1000, "annualInflation": 3, "years": 10 } } ], "sources": [] }, { "id": "interest-calculator", "version": "7.0.0", "name": "Interest Calculator", "shortName": "Interest", "description": "Project compound growth with a nominal annual rate, selected compounding frequency, and end-of-month contributions.", "category": "Finance", "categorySlug": "finance", "keywords": [ "interest" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/interest-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/interest-calculator/", "definition": "/calculator/interest-calculator/definition.json", "schema": "/calculator/interest-calculator/schema.json", "llms": "/calculator/interest-calculator/llms.txt", "legacyDefinition": "/calculator/interest-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/interest-calculator/?principal=10000&rate=5&time=10&contribution=0&compoundFreq=12", "queryParameters": { "principal": { "label": "Principal Amount", "type": "number", "required": false, "default": 10000 }, "rate": { "label": "Annual Interest Rate", "type": "number", "required": false, "default": 5 }, "time": { "label": "Time Period (Years)", "type": "number", "required": false, "default": 10 }, "contribution": { "label": "Monthly Contribution", "type": "number", "required": false, "default": 0 }, "compoundFreq": { "label": "Compounding Frequency", "type": "text", "required": false, "default": "12" } }, "inputs": [ { "id": "principal", "label": "Principal Amount", "type": "number", "defaultValue": 10000 }, { "id": "rate", "label": "Annual Interest Rate", "type": "number", "defaultValue": 5 }, { "id": "time", "label": "Time Period (Years)", "type": "number", "defaultValue": 10 }, { "id": "contribution", "label": "Monthly Contribution", "type": "number", "defaultValue": 0 }, { "id": "compoundFreq", "label": "Compounding Frequency", "type": "text", "defaultValue": "12" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Effective monthly rate = (1 + nominal annual rate ÷ compounds per year)^(compounds per year ÷ 12) − 1; each month balance grows by that rate, then the entered contribution is added." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "principal": 10000, "rate": 5, "time": 10, "contribution": 0, "compoundFreq": "12" } } ], "sources": [] }, { "id": "interest-only-mortgage-calculator", "version": "1.0.0", "name": "Interest Only Mortgage Calculator", "shortName": "Interest Only Mortgage", "description": "Estimate payments and total interest for a mortgage with an initial interest-only period followed by amortizing payments.", "category": "Finance", "categorySlug": "finance", "keywords": [ "interest", "only", "mortgage", "calculator", "interest only mortgage calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/interest-only-mortgage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Mortgage terms, escrow, insurance, taxes, fees, and adjustable-rate provisions can materially change actual payments.", "urls": { "page": "/calculator/interest-only-mortgage-calculator/", "definition": "/calculator/interest-only-mortgage-calculator/definition.json", "schema": "/calculator/interest-only-mortgage-calculator/schema.json", "llms": "/calculator/interest-only-mortgage-calculator/llms.txt", "legacyDefinition": "/calculator/interest-only-mortgage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/interest-only-mortgage-calculator/?loanAmount=400000&annualRate=6.5&totalTermYears=30&interestOnlyYears=10", "queryParameters": { "loanAmount": { "label": "Mortgage principal", "type": "money", "required": true, "default": 400000 }, "annualRate": { "label": "Annual interest rate", "type": "percent", "required": true, "default": 6.5 }, "totalTermYears": { "label": "Total mortgage term in years", "type": "number", "required": true, "default": 30 }, "interestOnlyYears": { "label": "Interest-only years", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "loanAmount", "label": "Mortgage principal", "type": "money", "required": true, "defaultValue": 400000, "min": 0.01, "step": 1000 }, { "id": "annualRate", "label": "Annual interest rate", "type": "percent", "required": true, "defaultValue": 6.5, "min": 0, "max": 100, "step": 0.01 }, { "id": "totalTermYears", "label": "Total mortgage term in years", "type": "number", "required": true, "defaultValue": 30, "min": 1, "max": 50, "step": 1 }, { "id": "interestOnlyYears", "label": "Interest-only years", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 49, "step": 1 } ], "outputs": [ { "id": "interestOnlyPayment", "label": "Monthly interest-only payment", "format": "currency", "primary": true }, { "id": "amortizingPayment", "label": "Monthly payment after interest-only period", "format": "currency" }, { "id": "paymentIncrease", "label": "Payment increase", "format": "currency" }, { "id": "totalInterest", "label": "Total interest over full term", "format": "currency" }, { "id": "totalPaid", "label": "Total paid", "format": "currency" } ], "formula": { "expression": "interest-only payment = principal × annual rate ÷ 12; remaining principal is amortized over the remaining term" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 400000, "annualRate": 6.5, "totalTermYears": 30, "interestOnlyYears": 10 } } ], "sources": [] }, { "id": "interest-rate-calculator", "version": "7.0.0", "name": "Interest Rate Calculator", "shortName": "Interest Rate", "description": "Calculate the required annual interest rate to earn a specific amount of interest.", "category": "Finance", "categorySlug": "finance", "keywords": [ "interest", "rate" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/interest-rate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/interest-rate-calculator/", "definition": "/calculator/interest-rate-calculator/definition.json", "schema": "/calculator/interest-rate-calculator/schema.json", "llms": "/calculator/interest-rate-calculator/llms.txt", "legacyDefinition": "/calculator/interest-rate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/interest-rate-calculator/?principal=10000&totalInterest=2000&time=4", "queryParameters": { "principal": { "label": "Principal Amount ($)", "type": "number", "required": false, "default": 10000 }, "totalInterest": { "label": "Total Interest Earned ($)", "type": "number", "required": false, "default": 2000 }, "time": { "label": "Time Period (Years)", "type": "number", "required": false, "default": 4 } }, "inputs": [ { "id": "principal", "label": "Principal Amount ($)", "type": "number", "defaultValue": 10000 }, { "id": "totalInterest", "label": "Total Interest Earned ($)", "type": "number", "defaultValue": 2000 }, { "id": "time", "label": "Time Period (Years)", "type": "number", "defaultValue": 4 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Simple annual interest rate = total interest ÷ (principal × years) × 100." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "principal": 10000, "totalInterest": 2000, "time": 4 } } ], "sources": [] }, { "id": "interest-rate-on-table-creator", "version": "1.0.0", "name": "Interest Rate on Table Creator", "shortName": "Interest Rate on Table Creator", "description": "Create compound-interest factor tables across a range of periodic interest rates for a selected number of periods.", "category": "Finance", "categorySlug": "finance", "keywords": [ "interest", "rate", "on", "table", "creator", "interest rate on table creator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/interest-rate-on-table-creator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/interest-rate-on-table-creator/", "definition": "/calculator/interest-rate-on-table-creator/definition.json", "schema": "/calculator/interest-rate-on-table-creator/schema.json", "llms": "/calculator/interest-rate-on-table-creator/llms.txt", "legacyDefinition": "/calculator/interest-rate-on-table-creator.json" }, "queryExample": "https://askcalculators.com/calculator/interest-rate-on-table-creator/?factorType=pvif&periods=10&startRate=1&endRate=10&rateStep=1&paymentTiming=end", "queryParameters": { "factorType": { "label": "Table factor", "type": "select", "required": true, "default": "pvif" }, "periods": { "label": "Number of periods", "type": "number", "required": true, "default": 10 }, "startRate": { "label": "Starting rate per period", "type": "percent", "required": true, "default": 1 }, "endRate": { "label": "Ending rate per period", "type": "percent", "required": true, "default": 10 }, "rateStep": { "label": "Rate increment", "type": "percent", "required": true, "default": 1 }, "paymentTiming": { "label": "Annuity timing", "type": "select", "required": true, "default": "end" } }, "inputs": [ { "id": "factorType", "label": "Table factor", "type": "select", "required": true, "defaultValue": "pvif", "options": [ { "label": "Present value of $1 (PVIF)", "value": "pvif" }, { "label": "Future value of $1 (FVIF)", "value": "fvif" }, { "label": "Present value annuity factor (PVIFA)", "value": "pvifa" }, { "label": "Future value annuity factor (FVIFA)", "value": "fvifa" } ] }, { "id": "periods", "label": "Number of periods", "type": "number", "required": true, "defaultValue": 10, "min": 1, "max": 500, "step": 1 }, { "id": "startRate", "label": "Starting rate per period", "type": "percent", "required": true, "defaultValue": 1, "min": -99, "max": 1000, "step": 0.01 }, { "id": "endRate", "label": "Ending rate per period", "type": "percent", "required": true, "defaultValue": 10, "min": -99, "max": 1000, "step": 0.01 }, { "id": "rateStep", "label": "Rate increment", "type": "percent", "required": true, "defaultValue": 1, "min": 0.000001, "max": 1000, "step": 0.01 }, { "id": "paymentTiming", "label": "Annuity timing", "type": "select", "required": true, "defaultValue": "end", "options": [ { "label": "End of period", "value": "end" }, { "label": "Beginning of period", "value": "begin" } ] } ], "outputs": [ { "id": "rowCount", "label": "Rates in table", "format": "integer", "primary": true }, { "id": "minimumFactor", "label": "Minimum factor", "format": "number", "digits": 10 }, { "id": "maximumFactor", "label": "Maximum factor", "format": "number", "digits": 10 }, { "id": "factorDescription", "label": "Factor type", "format": "text" } ], "formula": { "expression": "factor is evaluated at n periods for each rate from the start through end rate" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "factorType": "pvif", "periods": 10, "startRate": 1, "endRate": 10, "rateStep": 1, "paymentTiming": "end" } } ], "sources": [] }, { "id": "investment-calculator", "version": "7.1.0", "name": "Investment Calculator", "shortName": "Investment", "description": "Project the growth of your investments over time with compound interest.", "category": "Finance", "categorySlug": "finance", "keywords": [ "investment" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/investment-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.1.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Contributions are added at month end. Partial years round to the nearest month. Investment returns are hypothetical and may be negative; taxes, fees and inflation are not included.", "urls": { "page": "/calculator/investment-calculator/", "definition": "/calculator/investment-calculator/definition.json", "schema": "/calculator/investment-calculator/schema.json", "llms": "/calculator/investment-calculator/llms.txt", "legacyDefinition": "/calculator/investment-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/investment-calculator/?startAmount=10000&monthlyContrib=500&rate=7&years=10", "queryParameters": { "startAmount": { "label": "Starting Amount", "type": "number", "required": false, "default": 10000 }, "monthlyContrib": { "label": "Monthly Contribution", "type": "number", "required": false, "default": 500 }, "rate": { "label": "Return Rate", "type": "number", "required": false, "default": 7 }, "years": { "label": "Time Period (Years)", "type": "number", "required": false, "default": 10 } }, "inputs": [ { "id": "startAmount", "label": "Starting Amount", "type": "number", "defaultValue": 10000 }, { "id": "monthlyContrib", "label": "Monthly Contribution", "type": "number", "defaultValue": 500 }, { "id": "rate", "label": "Return Rate", "type": "number", "defaultValue": 7 }, { "id": "years", "label": "Time Period (Years)", "type": "number", "defaultValue": 10 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Months = round(years × 12). Each month: balance = balance × (1 + annual nominal return / 1200) + monthly contribution.", "note": "Contributions occur at month end. Partial years round to the nearest month; the annual nominal percentage is divided by 12. Taxes, fees and inflation are excluded; returns are scenarios, not predictions." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startAmount": 10000, "monthlyContrib": 500, "rate": 7, "years": 10 } } ], "sources": [] }, { "id": "irr-calculator", "version": "7.0.0", "name": "IRR Calculator", "shortName": "IRR", "description": "Calculate the Internal Rate of Return (IRR) for a series of annual cash flows.", "category": "Finance", "categorySlug": "finance", "keywords": [ "irr" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/irr-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/irr-calculator/", "definition": "/calculator/irr-calculator/definition.json", "schema": "/calculator/irr-calculator/schema.json", "llms": "/calculator/irr-calculator/llms.txt", "legacyDefinition": "/calculator/irr-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/irr-calculator/?initialInvestment=10000&cashFlows=2000%2C+3000%2C+4000%2C+5000", "queryParameters": { "initialInvestment": { "label": "Initial Investment", "type": "number", "required": false, "default": 10000 }, "cashFlows": { "label": "Cash Flows", "type": "text", "required": false, "default": "2000, 3000, 4000, 5000" } }, "inputs": [ { "id": "initialInvestment", "label": "Initial Investment", "type": "number", "defaultValue": 10000 }, { "id": "cashFlows", "label": "Cash Flows", "type": "text", "defaultValue": "2000, 3000, 4000, 5000" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "IRR is the periodic rate r that solves 0 = Σ cash flow_t ÷ (1+r)^t, found by bounded numerical search." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initialInvestment": 10000, "cashFlows": "2000, 3000, 4000, 5000" } } ], "sources": [] }, { "id": "layaway-plan-calculator", "version": "1.0.0", "name": "Layaway Plan Calculator", "shortName": "Layaway Plan", "description": "Calculate the financed layaway balance, periodic payment, fees, taxes, and total purchase cost.", "category": "Finance", "categorySlug": "finance", "keywords": [ "layaway", "plan", "calculator", "layaway plan calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/layaway-plan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/layaway-plan-calculator/", "definition": "/calculator/layaway-plan-calculator/definition.json", "schema": "/calculator/layaway-plan-calculator/schema.json", "llms": "/calculator/layaway-plan-calculator/llms.txt", "legacyDefinition": "/calculator/layaway-plan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/layaway-plan-calculator/?itemPrice=1200&salesTaxRate=6.25&downPayment=200&serviceFee=25&paymentCount=8", "queryParameters": { "itemPrice": { "label": "Item price", "type": "money", "required": true, "default": 1200 }, "salesTaxRate": { "label": "Sales tax rate", "type": "percent", "required": true, "default": 6.25 }, "downPayment": { "label": "Down payment", "type": "money", "required": true, "default": 200 }, "serviceFee": { "label": "Layaway service fee", "type": "money", "required": true, "default": 25 }, "paymentCount": { "label": "Number of remaining payments", "type": "number", "required": true, "default": 8 } }, "inputs": [ { "id": "itemPrice", "label": "Item price", "type": "money", "required": true, "defaultValue": 1200, "min": 0, "step": 1 }, { "id": "salesTaxRate", "label": "Sales tax rate", "type": "percent", "required": true, "defaultValue": 6.25, "min": 0, "max": 100, "step": 0.01 }, { "id": "downPayment", "label": "Down payment", "type": "money", "required": true, "defaultValue": 200, "min": 0, "step": 1 }, { "id": "serviceFee", "label": "Layaway service fee", "type": "money", "required": true, "defaultValue": 25, "min": 0, "step": 1 }, { "id": "paymentCount", "label": "Number of remaining payments", "type": "number", "required": true, "defaultValue": 8, "min": 1, "max": 365, "step": 1 } ], "outputs": [ { "id": "periodicPayment", "label": "Payment per installment", "format": "currency", "primary": true }, { "id": "layawayBalance", "label": "Balance after down payment", "format": "currency" }, { "id": "salesTax", "label": "Sales tax", "format": "currency" }, { "id": "totalCost", "label": "Total amount paid", "format": "currency" }, { "id": "feesAndTax", "label": "Fees and tax", "format": "currency" } ], "formula": { "expression": "remaining balance = item price + tax + fee − down payment; payment = balance ÷ payment count" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "itemPrice": 1200, "salesTaxRate": 6.25, "downPayment": 200, "serviceFee": 25, "paymentCount": 8 } } ], "sources": [] }, { "id": "lease-calculator", "version": "7.0.0", "name": "Lease Calculator", "shortName": "Lease", "description": "Calculate monthly lease payments for equipment or property given a residual value.", "category": "Finance", "categorySlug": "finance", "keywords": [ "lease" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/lease-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/lease-calculator/", "definition": "/calculator/lease-calculator/definition.json", "schema": "/calculator/lease-calculator/schema.json", "llms": "/calculator/lease-calculator/llms.txt", "legacyDefinition": "/calculator/lease-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/lease-calculator/?assetValue=50000&residualValue=10000&term=36&interestRate=6", "queryParameters": { "assetValue": { "label": "Asset Value (Cost)", "type": "number", "required": false, "default": 50000 }, "residualValue": { "label": "Residual Value (Buyout)", "type": "number", "required": false, "default": 10000 }, "term": { "label": "Lease Term (Months)", "type": "number", "required": false, "default": 36 }, "interestRate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6 } }, "inputs": [ { "id": "assetValue", "label": "Asset Value (Cost)", "type": "number", "defaultValue": 50000 }, { "id": "residualValue", "label": "Residual Value (Buyout)", "type": "number", "defaultValue": 10000 }, { "id": "term", "label": "Lease Term (Months)", "type": "number", "defaultValue": 36 }, { "id": "interestRate", "label": "Interest Rate", "type": "number", "defaultValue": 6 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Payment is calculated as an amortizing lease/loan with an entered residual or balloon value discounted over the term." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "assetValue": 50000, "residualValue": 10000, "term": 36, "interestRate": 6 } } ], "sources": [] }, { "id": "liquidity-ratios-calculator", "version": "1.0.0", "name": "Liquidity Ratios Calculator", "shortName": "Liquidity Ratios", "description": "Calculate current, quick, cash, working-capital, and operating-cash-flow liquidity measures.", "category": "Finance", "categorySlug": "finance", "keywords": [ "liquidity", "ratios", "calculator", "liquidity ratios calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/liquidity-ratios-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Financial ratios should be interpreted with company disclosures, industry norms, and professional judgment.", "urls": { "page": "/calculator/liquidity-ratios-calculator/", "definition": "/calculator/liquidity-ratios-calculator/definition.json", "schema": "/calculator/liquidity-ratios-calculator/schema.json", "llms": "/calculator/liquidity-ratios-calculator/llms.txt", "legacyDefinition": "/calculator/liquidity-ratios-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/liquidity-ratios-calculator/?currentAssets=250000&inventory=70000&prepaidExpenses=10000&cashAndEquivalents=50000&marketableSecurities=20000¤tLiabilities=125000&operatingCashFlow=160000", "queryParameters": { "currentAssets": { "label": "Current assets", "type": "money", "required": true, "default": 250000 }, "inventory": { "label": "Inventory", "type": "money", "required": true, "default": 70000 }, "prepaidExpenses": { "label": "Prepaid expenses", "type": "money", "required": true, "default": 10000 }, "cashAndEquivalents": { "label": "Cash and equivalents", "type": "money", "required": true, "default": 50000 }, "marketableSecurities": { "label": "Marketable securities", "type": "money", "required": true, "default": 20000 }, "currentLiabilities": { "label": "Current liabilities", "type": "money", "required": true, "default": 125000 }, "operatingCashFlow": { "label": "Operating cash flow", "type": "money", "required": true, "default": 160000 } }, "inputs": [ { "id": "currentAssets", "label": "Current assets", "type": "money", "required": true, "defaultValue": 250000, "min": 0, "step": 100 }, { "id": "inventory", "label": "Inventory", "type": "money", "required": true, "defaultValue": 70000, "min": 0, "step": 100 }, { "id": "prepaidExpenses", "label": "Prepaid expenses", "type": "money", "required": true, "defaultValue": 10000, "min": 0, "step": 100 }, { "id": "cashAndEquivalents", "label": "Cash and equivalents", "type": "money", "required": true, "defaultValue": 50000, "min": 0, "step": 100 }, { "id": "marketableSecurities", "label": "Marketable securities", "type": "money", "required": true, "defaultValue": 20000, "min": 0, "step": 100 }, { "id": "currentLiabilities", "label": "Current liabilities", "type": "money", "required": true, "defaultValue": 125000, "min": 0, "step": 100 }, { "id": "operatingCashFlow", "label": "Operating cash flow", "type": "money", "required": true, "defaultValue": 160000, "step": 100 } ], "outputs": [ { "id": "currentRatio", "label": "Current ratio", "format": "number", "primary": true, "digits": 4, "suffix": "×" }, { "id": "quickRatio", "label": "Quick ratio", "format": "number", "digits": 4, "suffix": "×" }, { "id": "cashRatio", "label": "Cash ratio", "format": "number", "digits": 4, "suffix": "×" }, { "id": "workingCapital", "label": "Working capital", "format": "currency" }, { "id": "operatingCashFlowRatio", "label": "Operating cash-flow ratio", "format": "number", "digits": 4, "suffix": "×" } ], "formula": { "expression": "current ratio = current assets ÷ current liabilities; quick ratio excludes inventory and prepaid expenses" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "currentAssets": 250000, "inventory": 70000, "prepaidExpenses": 10000, "cashAndEquivalents": 50000, "marketableSecurities": 20000, "currentLiabilities": 125000, "operatingCashFlow": 160000 } } ], "sources": [] }, { "id": "list-price-markdown-calculator", "version": "1.0.0", "name": "List Price Markdown Calculator", "shortName": "List Price Markdown", "description": "Find the list price needed to offer a planned markdown while preserving a target gross margin.", "category": "Finance", "categorySlug": "finance", "keywords": [ "list", "price", "markdown", "calculator", "list price markdown calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/list-price-markdown-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/list-price-markdown-calculator/", "definition": "/calculator/list-price-markdown-calculator/definition.json", "schema": "/calculator/list-price-markdown-calculator/schema.json", "llms": "/calculator/list-price-markdown-calculator/llms.txt", "legacyDefinition": "/calculator/list-price-markdown-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/list-price-markdown-calculator/?cost=10&targetGrossMargin=75&markdownPercent=20", "queryParameters": { "cost": { "label": "Product or service cost", "type": "money", "required": true, "default": 10 }, "targetGrossMargin": { "label": "Target gross margin", "type": "percent", "required": true, "default": 75 }, "markdownPercent": { "label": "Planned markdown from list price", "type": "percent", "required": true, "default": 20 } }, "inputs": [ { "id": "cost", "label": "Product or service cost", "type": "money", "required": true, "defaultValue": 10, "min": 0, "step": 0.01 }, { "id": "targetGrossMargin", "label": "Target gross margin", "type": "percent", "required": true, "defaultValue": 75, "min": -1000, "max": 99.999, "step": 0.01 }, { "id": "markdownPercent", "label": "Planned markdown from list price", "type": "percent", "required": true, "defaultValue": 20, "min": 0, "max": 99.999, "step": 0.01 } ], "outputs": [ { "id": "requiredListPrice", "label": "Required list price", "format": "currency", "primary": true }, { "id": "sellingPriceAfterMarkdown", "label": "Selling price after markdown", "format": "currency" }, { "id": "markdownAmount", "label": "Markdown amount", "format": "currency" }, { "id": "grossProfit", "label": "Gross profit", "format": "currency" }, { "id": "markupOnCost", "label": "Markup on cost", "format": "percent", "digits": 6 } ], "formula": { "expression": "selling price = cost ÷ (1 − margin); list price = selling price ÷ (1 − markdown)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 10, "targetGrossMargin": 75, "markdownPercent": 20 } } ], "sources": [] }, { "id": "loan-calculator", "version": "1.0.0", "name": "Loan Calculator", "shortName": "Loan", "description": "Calculate payment, interest, total cost, and the effect of an optional extra payment.", "category": "Finance", "categorySlug": "finance", "keywords": [ "personal loan", "monthly payment", "business loan", "debt", "amortization" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/loan-calculator/", "definition": "/calculator/loan-calculator/definition.json", "schema": "/calculator/loan-calculator/schema.json", "llms": "/calculator/loan-calculator/llms.txt", "legacyDefinition": "/calculator/loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/loan-calculator/?amount=25000&annualRate=7.5&years=5", "queryParameters": { "amount": { "label": "Loan amount", "type": "money", "required": true, "default": 25000 }, "annualRate": { "label": "Interest rate", "type": "percent", "required": true, "default": 7.5 }, "years": { "label": "Loan term", "type": "select", "required": true, "default": 5 }, "extraPayment": { "label": "Extra monthly payment", "type": "money", "required": false } }, "inputs": [ { "id": "amount", "label": "Loan amount", "type": "money", "required": true, "defaultValue": 25000, "min": 1, "step": 100, "width": "half" }, { "id": "annualRate", "label": "Interest rate", "type": "percent", "required": true, "defaultValue": 7.5, "min": 0, "max": 40, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Loan term", "type": "select", "required": true, "defaultValue": 5, "options": [ { "label": "1 year", "value": 1 }, { "label": "2 years", "value": 2 }, { "label": "3 years", "value": 3 }, { "label": "5 years", "value": 5 }, { "label": "7 years", "value": 7 }, { "label": "10 years", "value": 10 } ], "width": "half" }, { "id": "extraPayment", "label": "Extra monthly payment", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "monthlyPayment", "label": "Scheduled monthly payment", "format": "currency", "primary": true }, { "id": "paymentWithExtra", "label": "Payment with extra", "format": "currency" }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "totalPayment", "label": "Total paid", "format": "currency" }, { "id": "payoffTime", "label": "Payoff time", "format": "text" }, { "id": "interestSaved", "label": "Interest saved", "format": "currency" } ], "formula": { "expression": "M = P × [r(1 + r)ⁿ] ÷ [(1 + r)ⁿ − 1]", "variables": [ { "symbol": "P", "meaning": "loan principal" }, { "symbol": "r", "meaning": "monthly rate" }, { "symbol": "n", "meaning": "monthly payment count" } ] }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 25000, "annualRate": 7.5, "years": 5 } } ], "sources": [ { "label": "CFPB: how paying down a mortgage works", "url": "https://www.consumerfinance.gov/ask-cfpb/how-does-paying-down-a-mortgage-work-en-1943/" } ] }, { "id": "loan-payment-table-generator", "version": "1.0.0", "name": "Loan Payment Table Generator", "shortName": "Loan Payment Table Generator", "description": "Generate a comparison grid of periodic payments across multiple interest rates and loan terms.", "category": "Finance", "categorySlug": "finance", "keywords": [ "loan", "payment", "table", "generator", "loan payment table generator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/loan-payment-table-generator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/loan-payment-table-generator/", "definition": "/calculator/loan-payment-table-generator/definition.json", "schema": "/calculator/loan-payment-table-generator/schema.json", "llms": "/calculator/loan-payment-table-generator/llms.txt", "legacyDefinition": "/calculator/loan-payment-table-generator.json" }, "queryExample": "https://askcalculators.com/calculator/loan-payment-table-generator/?loanAmount=250000&annualRates=5%2C+6%2C+7%2C+8&termsYears=15%2C+20%2C+30&paymentsPerYear=12", "queryParameters": { "loanAmount": { "label": "Loan amount", "type": "money", "required": true, "default": 250000 }, "annualRates": { "label": "Annual rates (%)", "type": "text", "required": true, "default": "5, 6, 7, 8" }, "termsYears": { "label": "Terms in years", "type": "text", "required": true, "default": "15, 20, 30" }, "paymentsPerYear": { "label": "Payments per year", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "loanAmount", "label": "Loan amount", "type": "money", "required": true, "defaultValue": 250000, "min": 0.01, "step": 1000 }, { "id": "annualRates", "label": "Annual rates (%)", "type": "text", "required": true, "defaultValue": "5, 6, 7, 8", "placeholder": "Comma-separated percentage rates" }, { "id": "termsYears", "label": "Terms in years", "type": "text", "required": true, "defaultValue": "15, 20, 30", "placeholder": "Comma-separated terms" }, { "id": "paymentsPerYear", "label": "Payments per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 } ], "outputs": [ { "id": "scenarioCount", "label": "Payment scenarios", "format": "integer", "primary": true }, { "id": "lowestPayment", "label": "Lowest periodic payment", "format": "currency" }, { "id": "highestPayment", "label": "Highest periodic payment", "format": "currency" }, { "id": "loanAmountOutput", "label": "Compared loan amount", "format": "currency" } ], "formula": { "expression": "payment = principal × i ÷ [1 − (1+i)^−n] for each rate-and-term combination" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 250000, "annualRates": "5, 6, 7, 8", "termsYears": "15, 20, 30", "paymentsPerYear": 12 } } ], "sources": [] }, { "id": "marriage-tax-calculator", "version": "7.0.0", "name": "Marriage Tax Calculator", "shortName": "Marriage Tax", "description": "Compare a simplified 2026 federal estimate for two single filers with married filing jointly.", "category": "Finance", "categorySlug": "finance", "keywords": [ "marriage", "tax" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/marriage-tax-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Tax estimate only; not tax advice.", "urls": { "page": "/calculator/marriage-tax-calculator/", "definition": "/calculator/marriage-tax-calculator/definition.json", "schema": "/calculator/marriage-tax-calculator/schema.json", "llms": "/calculator/marriage-tax-calculator/llms.txt", "legacyDefinition": "/calculator/marriage-tax-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/marriage-tax-calculator/?income1=60000&income2=50000", "queryParameters": { "income1": { "label": "Partner 1 Income ($)", "type": "number", "required": false, "default": 60000 }, "income2": { "label": "Partner 2 Income ($)", "type": "number", "required": false, "default": 50000 } }, "inputs": [ { "id": "income1", "label": "Partner 1 Income ($)", "type": "number", "defaultValue": 60000 }, { "id": "income2", "label": "Partner 2 Income ($)", "type": "number", "defaultValue": 50000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Marriage difference = tax as two single filers − tax as married filing jointly, using 2026 standard deductions and brackets.", "note": "Compares simplified federal tax under two filing assumptions; it does not model credits, itemized deductions, or all filing-status rules." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "income1": 60000, "income2": 50000 } } ], "sources": [ { "label": "IRS 2026 tax inflation adjustments", "url": "https://www.irs.gov/newsroom/irs-releases-tax-inflation-adjustments-for-tax-year-2026-including-amendments-from-the-one-big-beautiful-bill" } ] }, { "id": "money-calculator", "version": "1.0.0", "name": "Money Calculator", "shortName": "Money", "description": "Count U.S. bills and coins and calculate the total cash amount.", "category": "Finance", "categorySlug": "finance", "keywords": [ "money", "calculator", "money calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/money-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/money-calculator/", "definition": "/calculator/money-calculator/definition.json", "schema": "/calculator/money-calculator/schema.json", "llms": "/calculator/money-calculator/llms.txt", "legacyDefinition": "/calculator/money-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/money-calculator/?hundreds=1&fifties=0&twenties=3&tens=2&fives=1&ones=7&quarters=8&dimes=4&nickels=3&pennies=17", "queryParameters": { "hundreds": { "label": "$100 bills", "type": "number", "required": true, "default": 1 }, "fifties": { "label": "$50 bills", "type": "number", "required": true, "default": 0 }, "twenties": { "label": "$20 bills", "type": "number", "required": true, "default": 3 }, "tens": { "label": "$10 bills", "type": "number", "required": true, "default": 2 }, "fives": { "label": "$5 bills", "type": "number", "required": true, "default": 1 }, "ones": { "label": "$1 bills", "type": "number", "required": true, "default": 7 }, "quarters": { "label": "Quarters", "type": "number", "required": true, "default": 8 }, "dimes": { "label": "Dimes", "type": "number", "required": true, "default": 4 }, "nickels": { "label": "Nickels", "type": "number", "required": true, "default": 3 }, "pennies": { "label": "Pennies", "type": "number", "required": true, "default": 17 } }, "inputs": [ { "id": "hundreds", "label": "$100 bills", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 1 }, { "id": "fifties", "label": "$50 bills", "type": "number", "required": true, "defaultValue": 0, "min": 0, "step": 1 }, { "id": "twenties", "label": "$20 bills", "type": "number", "required": true, "defaultValue": 3, "min": 0, "step": 1 }, { "id": "tens", "label": "$10 bills", "type": "number", "required": true, "defaultValue": 2, "min": 0, "step": 1 }, { "id": "fives", "label": "$5 bills", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 1 }, { "id": "ones", "label": "$1 bills", "type": "number", "required": true, "defaultValue": 7, "min": 0, "step": 1 }, { "id": "quarters", "label": "Quarters", "type": "number", "required": true, "defaultValue": 8, "min": 0, "step": 1 }, { "id": "dimes", "label": "Dimes", "type": "number", "required": true, "defaultValue": 4, "min": 0, "step": 1 }, { "id": "nickels", "label": "Nickels", "type": "number", "required": true, "defaultValue": 3, "min": 0, "step": 1 }, { "id": "pennies", "label": "Pennies", "type": "number", "required": true, "defaultValue": 17, "min": 0, "step": 1 } ], "outputs": [ { "id": "totalMoney", "label": "Total money", "format": "currency", "primary": true }, { "id": "billTotal", "label": "Bills total", "format": "currency" }, { "id": "coinTotal", "label": "Coins total", "format": "currency" }, { "id": "pieceCount", "label": "Total pieces", "format": "integer" } ], "formula": { "expression": "total = Σ(denomination × count)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "hundreds": 1, "fifties": 0, "twenties": 3, "tens": 2, "fives": 1, "ones": 7, "quarters": 8, "dimes": 4, "nickels": 3, "pennies": 17 } } ], "sources": [] }, { "id": "money-change-calculator", "version": "1.0.0", "name": "Money Change Calculator", "shortName": "Money Change", "description": "Calculate change due and break it into common U.S. bills and coins using the fewest pieces.", "category": "Finance", "categorySlug": "finance", "keywords": [ "money", "change", "calculator", "money change calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/money-change-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/money-change-calculator/", "definition": "/calculator/money-change-calculator/definition.json", "schema": "/calculator/money-change-calculator/schema.json", "llms": "/calculator/money-change-calculator/llms.txt", "legacyDefinition": "/calculator/money-change-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/money-change-calculator/?purchaseAmount=37.42&amountTendered=50", "queryParameters": { "purchaseAmount": { "label": "Purchase amount", "type": "money", "required": true, "default": 37.42 }, "amountTendered": { "label": "Amount tendered", "type": "money", "required": true, "default": 50 } }, "inputs": [ { "id": "purchaseAmount", "label": "Purchase amount", "type": "money", "required": true, "defaultValue": 37.42, "min": 0, "step": 0.01 }, { "id": "amountTendered", "label": "Amount tendered", "type": "money", "required": true, "defaultValue": 50, "min": 0, "step": 0.01 } ], "outputs": [ { "id": "changeDue", "label": "Change due", "format": "currency", "primary": true }, { "id": "pieceCount", "label": "Bills and coins returned", "format": "integer" }, { "id": "amountShort", "label": "Amount still owed", "format": "currency" }, { "id": "status", "label": "Status", "format": "text" } ], "formula": { "expression": "change due = amount tendered − purchase amount; denominations are selected greedily in descending value" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "purchaseAmount": 37.42, "amountTendered": 50 } } ], "sources": [] }, { "id": "money-math-calculator", "version": "1.0.0", "name": "Money Math Calculator", "shortName": "Money Math", "description": "Add, subtract, multiply, or divide monetary amounts using exact cent arithmetic where applicable.", "category": "Finance", "categorySlug": "finance", "keywords": [ "money", "math", "calculator", "money math calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/money-math-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/money-math-calculator/", "definition": "/calculator/money-math-calculator/definition.json", "schema": "/calculator/money-math-calculator/schema.json", "llms": "/calculator/money-math-calculator/llms.txt", "legacyDefinition": "/calculator/money-math-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/money-math-calculator/?operation=add&amountA=125.75&amountB=48.35&factor=3", "queryParameters": { "operation": { "label": "Operation", "type": "select", "required": true, "default": "add" }, "amountA": { "label": "First amount", "type": "money", "required": true, "default": 125.75 }, "amountB": { "label": "Second amount", "type": "money", "required": true, "default": 48.35 }, "factor": { "label": "Factor or divisor", "type": "number", "required": true, "default": 3 } }, "inputs": [ { "id": "operation", "label": "Operation", "type": "select", "required": true, "defaultValue": "add", "options": [ { "label": "Add amounts", "value": "add" }, { "label": "Subtract second amount", "value": "subtract" }, { "label": "Multiply first amount by factor", "value": "multiply" }, { "label": "Divide first amount by divisor", "value": "divide" } ] }, { "id": "amountA", "label": "First amount", "type": "money", "required": true, "defaultValue": 125.75, "step": 0.01 }, { "id": "amountB", "label": "Second amount", "type": "money", "required": true, "defaultValue": 48.35, "step": 0.01 }, { "id": "factor", "label": "Factor or divisor", "type": "number", "required": true, "defaultValue": 3, "min": 1e-9, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Money result", "format": "currency", "primary": true }, { "id": "unroundedResult", "label": "Unrounded result", "format": "number", "digits": 10 }, { "id": "roundingDifference", "label": "Cent-rounding difference", "format": "currency", "digits": 6 }, { "id": "equation", "label": "Equation", "format": "text" } ], "formula": { "expression": "addition and subtraction operate on integer cents; multiplication and division are rounded to the nearest cent" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "operation": "add", "amountA": 125.75, "amountB": 48.35, "factor": 3 } } ], "sources": [] }, { "id": "mortgage-amortization-calculator", "version": "20.1.0", "name": "Mortgage Amortization Calculator", "shortName": "Mortgage Amortization", "description": "View the complete amortization schedule for your mortgage.", "category": "Finance", "categorySlug": "finance", "keywords": [ "mortgage", "amortization" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mortgage-amortization-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mortgage-amortization-calculator/", "definition": "/calculator/mortgage-amortization-calculator/definition.json", "schema": "/calculator/mortgage-amortization-calculator/schema.json", "llms": "/calculator/mortgage-amortization-calculator/llms.txt", "legacyDefinition": "/calculator/mortgage-amortization-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mortgage-amortization-calculator/?loanAmount=300000&interestRate=4.5&loanTerm=30", "queryParameters": { "loanAmount": { "label": "Loan Amount ($)", "type": "number", "required": false, "default": 300000 }, "interestRate": { "label": "Interest Rate (%)", "type": "number", "required": false, "default": 4.5 }, "loanTerm": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 30 } }, "inputs": [ { "id": "loanAmount", "label": "Loan Amount ($)", "type": "number", "defaultValue": 300000 }, { "id": "interestRate", "label": "Interest Rate (%)", "type": "number", "defaultValue": 4.5 }, { "id": "loanTerm", "label": "Loan Term (Years)", "type": "number", "defaultValue": 30 } ], "outputs": [ { "id": "scheduledPayment", "label": "Scheduled payment", "format": "currency", "primary": true }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "rowCount", "label": "Payment count", "format": "number" }, { "id": "lastBalance", "label": "Final balance", "format": "currency" } ], "formula": { "expression": "Payment = P ÷ n when the monthly rate is zero; otherwise P·r ÷ [1 − (1+r)^(−n)]. Each row applies interest = balance × r and principal = payment − interest; the last payment is limited to the amount due." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 300000, "interestRate": 4.5, "loanTerm": 30 } } ], "sources": [ { "label": "CFPB: how paying down a mortgage works", "url": "https://www.consumerfinance.gov/ask-cfpb/how-does-paying-down-a-mortgage-work-en-1943/" } ] }, { "id": "mortgage-calculator", "version": "20.1.0", "name": "Mortgage Calculator", "shortName": "Mortgage", "description": "Estimate principal, interest, taxes, insurance, optional HOA fees, and extra payments.", "category": "Finance", "categorySlug": "finance", "keywords": [ "home loan", "house payment", "piti", "amortization", "interest" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mortgage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mortgage-calculator/", "definition": "/calculator/mortgage-calculator/definition.json", "schema": "/calculator/mortgage-calculator/schema.json", "llms": "/calculator/mortgage-calculator/llms.txt", "legacyDefinition": "/calculator/mortgage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mortgage-calculator/?homePrice=350000&downPayment=70000&annualRate=6.5&years=30&propertyTax=4200&insurance=1500", "queryParameters": { "homePrice": { "label": "Home price", "type": "money", "required": true, "default": 350000 }, "downPayment": { "label": "Down payment", "type": "money", "required": false, "default": 70000 }, "annualRate": { "label": "Interest rate", "type": "percent", "required": true, "default": 6.5 }, "years": { "label": "Loan term", "type": "select", "required": true, "default": 30 }, "propertyTax": { "label": "Annual property tax", "type": "money", "required": false, "default": 4200 }, "insurance": { "label": "Annual home insurance", "type": "money", "required": false, "default": 1500 }, "hoa": { "label": "Monthly HOA", "type": "money", "required": false }, "extraPayment": { "label": "Extra monthly payment", "type": "money", "required": false } }, "inputs": [ { "id": "homePrice", "label": "Home price", "type": "money", "required": true, "defaultValue": 350000, "min": 1, "step": 1000, "width": "half" }, { "id": "downPayment", "label": "Down payment", "type": "money", "defaultValue": 70000, "min": 0, "step": 1000, "help": "Optional", "width": "half" }, { "id": "annualRate", "label": "Interest rate", "type": "percent", "required": true, "defaultValue": 6.5, "min": 0, "max": 20, "step": 0.05, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Loan term", "type": "select", "required": true, "defaultValue": 30, "options": [ { "label": "10 years", "value": 10 }, { "label": "15 years", "value": 15 }, { "label": "20 years", "value": 20 }, { "label": "30 years", "value": 30 } ], "width": "half" }, { "id": "propertyTax", "label": "Annual property tax", "type": "money", "defaultValue": 4200, "min": 0, "step": 100, "help": "Optional", "width": "half" }, { "id": "insurance", "label": "Annual home insurance", "type": "money", "defaultValue": 1500, "min": 0, "step": 100, "help": "Optional", "width": "half" }, { "id": "hoa", "label": "Monthly HOA", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" }, { "id": "extraPayment", "label": "Extra monthly payment", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" } ], "outputs": [ { "id": "requiredHousingPayment", "label": "Required monthly housing payment", "format": "currency" }, { "id": "extraPrincipal", "label": "Optional extra principal", "format": "currency" }, { "id": "monthlyPayment", "label": "Planned monthly payment with extras", "format": "currency", "primary": true }, { "id": "loanAmount", "label": "Loan amount", "format": "currency" }, { "id": "principalInterest", "label": "Principal + interest", "format": "currency" }, { "id": "totalInterest", "label": "Total interest", "format": "currency" }, { "id": "payoffTime", "label": "Payoff time", "format": "text" }, { "id": "totalLoanCost", "label": "Principal + interest paid", "format": "currency" } ], "formula": { "expression": "M = P × [r(1 + r)ⁿ] ÷ [(1 + r)ⁿ − 1]", "variables": [ { "symbol": "M", "meaning": "monthly principal and interest" }, { "symbol": "P", "meaning": "loan amount after down payment" }, { "symbol": "r", "meaning": "monthly interest rate" }, { "symbol": "n", "meaning": "number of monthly payments" } ], "note": "Taxes, insurance, HOA, and extra payment are added after the loan payment is calculated." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "homePrice": 350000, "downPayment": 70000, "annualRate": 6.5, "years": 30, "propertyTax": 4200, "insurance": 1500 } } ], "sources": [ { "label": "Consumer Financial Protection Bureau: mortgage payments", "url": "https://www.consumerfinance.gov/ask-cfpb/how-do-mortgage-lenders-calculate-monthly-payments-en-1965/" }, { "label": "Consumer Financial Protection Bureau: PITI", "url": "https://www.consumerfinance.gov/ask-cfpb/what-is-piti-en-152/" }, { "label": "CFPB: principal, interest and total monthly housing payment", "url": "https://www.consumerfinance.gov/ask-cfpb/on-a-mortgage-whats-the-difference-between-my-principal-and-interest-payment-and-my-total-monthly-payment-en-1941/" }, { "label": "CFPB: how paying down a mortgage works", "url": "https://www.consumerfinance.gov/ask-cfpb/how-does-paying-down-a-mortgage-work-en-1943/" } ] }, { "id": "mortgage-calculator-uk", "version": "7.0.0", "name": "Mortgage Calculator UK", "shortName": "Mortgage Calculator UK", "description": "Calculate monthly mortgage payments for UK properties, including Loan-to-Value (LTV).", "category": "Finance", "categorySlug": "finance", "keywords": [ "mortgage", "uk" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mortgage-calculator-uk.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mortgage-calculator-uk/", "definition": "/calculator/mortgage-calculator-uk/definition.json", "schema": "/calculator/mortgage-calculator-uk/schema.json", "llms": "/calculator/mortgage-calculator-uk/llms.txt", "legacyDefinition": "/calculator/mortgage-calculator-uk.json" }, "queryExample": "https://askcalculators.com/calculator/mortgage-calculator-uk/?propertyPrice=250000&deposit=25000&interestRate=4.5&term=25", "queryParameters": { "propertyPrice": { "label": "Property Price", "type": "number", "required": false, "default": 250000 }, "deposit": { "label": "Deposit Amount", "type": "number", "required": false, "default": 25000 }, "interestRate": { "label": "Interest Rate", "type": "number", "required": false, "default": 4.5 }, "term": { "label": "Mortgage Term (Years)", "type": "number", "required": false, "default": 25 } }, "inputs": [ { "id": "propertyPrice", "label": "Property Price", "type": "number", "defaultValue": 250000 }, { "id": "deposit", "label": "Deposit Amount", "type": "number", "defaultValue": 25000 }, { "id": "interestRate", "label": "Interest Rate", "type": "number", "defaultValue": 4.5 }, { "id": "term", "label": "Mortgage Term (Years)", "type": "number", "defaultValue": 25 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Loan = property price − deposit; monthly repayment uses the standard amortizing-loan formula; LTV = loan ÷ property price × 100." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "propertyPrice": 250000, "deposit": 25000, "interestRate": 4.5, "term": 25 } } ], "sources": [] }, { "id": "mortgage-payoff-calculator", "version": "20.1.0", "name": "Mortgage Payoff Calculator", "shortName": "Mortgage Payoff", "description": "See how much time and interest you can save by making extra payments on your mortgage.", "category": "Finance", "categorySlug": "finance", "keywords": [ "mortgage", "payoff" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mortgage-payoff-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mortgage-payoff-calculator/", "definition": "/calculator/mortgage-payoff-calculator/definition.json", "schema": "/calculator/mortgage-payoff-calculator/schema.json", "llms": "/calculator/mortgage-payoff-calculator/llms.txt", "legacyDefinition": "/calculator/mortgage-payoff-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mortgage-payoff-calculator/?balance=250000&rate=6.5¤tPayment=1800&extraPayment=200", "queryParameters": { "balance": { "label": "Current Balance ($)", "type": "number", "required": false, "default": 250000 }, "rate": { "label": "Interest Rate (%)", "type": "number", "required": false, "default": 6.5 }, "currentPayment": { "label": "Current Monthly Payment ($)", "type": "number", "required": false, "default": 1800 }, "extraPayment": { "label": "Extra Monthly Payment ($)", "type": "number", "required": false, "default": 200 } }, "inputs": [ { "id": "balance", "label": "Current Balance ($)", "type": "number", "defaultValue": 250000 }, { "id": "rate", "label": "Interest Rate (%)", "type": "number", "defaultValue": 6.5 }, { "id": "currentPayment", "label": "Current Monthly Payment ($)", "type": "number", "defaultValue": 1800 }, { "id": "extraPayment", "label": "Extra Monthly Payment ($)", "type": "number", "defaultValue": 200 } ], "outputs": [ { "id": "originalMonths", "label": "Original payoff months", "format": "number" }, { "id": "newMonths", "label": "Accelerated payoff months", "format": "number" }, { "id": "interestSaved", "label": "Interest saved", "format": "currency", "primary": true }, { "id": "monthsSaved", "label": "Months saved", "format": "number" } ], "formula": { "expression": "Each month: interest = balance × monthly rate; payment = min(planned payment, balance + interest); new balance = balance + interest − payment. The two plans are simulated until payoff." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "balance": 250000, "rate": 6.5, "currentPayment": 1800, "extraPayment": 200 } } ], "sources": [ { "label": "CFPB: how paying down a mortgage works", "url": "https://www.consumerfinance.gov/ask-cfpb/how-does-paying-down-a-mortgage-work-en-1943/" } ] }, { "id": "mutual-fund-calculator", "version": "1.0.0", "name": "Mutual Fund Calculator", "shortName": "Mutual fund", "description": "Project a mutual fund balance and net return after contributions, sales loads, deferred charges, and operating expenses.", "category": "Finance", "categorySlug": "finance", "keywords": [ "mutual fund", "expense ratio", "sales load", "fund fees", "irr", "investment return" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mutual-fund-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Investment returns are uncertain. This projection uses one constant return and does not predict market performance.", "urls": { "page": "/calculator/mutual-fund-calculator/", "definition": "/calculator/mutual-fund-calculator/definition.json", "schema": "/calculator/mutual-fund-calculator/schema.json", "llms": "/calculator/mutual-fund-calculator/llms.txt", "legacyDefinition": "/calculator/mutual-fund-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mutual-fund-calculator/?initialInvestment=20000&annualContribution=0&monthlyContribution=1000&annualReturn=5&holdingYears=5&holdingMonths=0&salesCharge=2&deferredSalesCharge=0&operatingExpense=0.5", "queryParameters": { "initialInvestment": { "label": "Initial investment", "type": "money", "required": true, "default": 20000 }, "annualContribution": { "label": "Annual contribution", "type": "money", "required": false, "default": 0 }, "monthlyContribution": { "label": "Monthly contribution", "type": "money", "required": false, "default": 1000 }, "annualReturn": { "label": "Gross annual return", "type": "percent", "required": true, "default": 5 }, "holdingYears": { "label": "Holding years", "type": "number", "required": true, "default": 5 }, "holdingMonths": { "label": "Additional months", "type": "number", "required": true, "default": 0 }, "salesCharge": { "label": "Front-end sales charge", "type": "percent", "required": false, "default": 2 }, "deferredSalesCharge": { "label": "Deferred sales charge", "type": "percent", "required": false, "default": 0 }, "operatingExpense": { "label": "Annual operating expense ratio", "type": "percent", "required": false, "default": 0.5 } }, "inputs": [ { "id": "initialInvestment", "label": "Initial investment", "type": "money", "required": true, "defaultValue": 20000, "min": 0, "step": 100, "width": "half" }, { "id": "annualContribution", "label": "Annual contribution", "type": "money", "defaultValue": 0, "min": 0, "step": 100, "help": "Added at the end of each full year.", "width": "half" }, { "id": "monthlyContribution", "label": "Monthly contribution", "type": "money", "defaultValue": 1000, "min": 0, "step": 10, "width": "half" }, { "id": "annualReturn", "label": "Gross annual return", "type": "percent", "required": true, "defaultValue": 5, "min": -99.9, "max": 100, "step": 0.1, "width": "half" }, { "id": "holdingYears", "label": "Holding years", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 80, "step": 1, "width": "half" }, { "id": "holdingMonths", "label": "Additional months", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 11, "step": 1, "width": "half" }, { "id": "salesCharge", "label": "Front-end sales charge", "type": "percent", "defaultValue": 2, "min": 0, "max": 100, "step": 0.1, "width": "half" }, { "id": "deferredSalesCharge", "label": "Deferred sales charge", "type": "percent", "defaultValue": 0, "min": 0, "max": 100, "step": 0.1, "width": "half" }, { "id": "operatingExpense", "label": "Annual operating expense ratio", "type": "percent", "defaultValue": 0.5, "min": 0, "max": 20, "step": 0.01, "width": "full" } ], "outputs": [ { "id": "endingValue", "label": "Ending value", "format": "currency", "primary": true }, { "id": "totalPrincipal", "label": "Total principal contributed", "format": "currency" }, { "id": "totalContributions", "label": "Contributions after the initial investment", "format": "currency" }, { "id": "netReturn", "label": "Net return", "format": "currency" }, { "id": "netIrr", "label": "Net IRR", "format": "percent", "digits": 3 }, { "id": "salesCharges", "label": "Front-end sales charges", "format": "currency" }, { "id": "deferredCharge", "label": "Deferred sales charge", "format": "currency" }, { "id": "operatingExpenses", "label": "Estimated operating expenses", "format": "currency" }, { "id": "totalFees", "label": "Total estimated fees", "format": "currency" }, { "id": "grossGrowth", "label": "Gross investment growth", "format": "currency" } ], "formula": { "expression": "Balanceₜ = Balanceₜ₋₁ × (1 + r_net,m) + net contributions", "variables": [ { "symbol": "r_net,m", "meaning": "monthly rate equivalent to gross annual return minus the operating expense ratio" }, { "symbol": "net contributions", "meaning": "cash contributions after front-end sales charges" }, { "symbol": "expense ratio", "meaning": "annual operating expense rate reflected in the projected net return" } ], "note": "Net IRR is solved from the investor's monthly cash outflows and final redemption value. The dollar expense figure is estimated separately from a gross-return tracking balance." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initialInvestment": 20000, "annualContribution": 0, "monthlyContribution": 1000, "annualReturn": 5, "holdingYears": 5, "holdingMonths": 0, "salesCharge": 2, "deferredSalesCharge": 0, "operatingExpense": 0.5 } } ], "sources": [ { "label": "Investor.gov: Mutual fund and ETF fees and expenses", "url": "https://www.investor.gov/introduction-investing/investing-basics/glossary/mutual-fund-fees-and-expenses" }, { "label": "SEC Investor Bulletin: Mutual fund and ETF fees and expenses", "url": "https://www.sec.gov/resources-for-investors/investor-alerts-bulletins/ib_mutualfundfees" } ] }, { "id": "net-present-value-calculator", "version": "1.0.0", "name": "Net Present Value Calculator", "shortName": "Net Present Value", "description": "Discount a sequence of periodic cash flows, calculate NPV, profitability index, and an estimated internal rate of return.", "category": "Finance", "categorySlug": "finance", "keywords": [ "net", "present", "value", "calculator", "net present value calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/net-present-value-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "NPV and IRR depend on forecast cash flows and the selected discount rate. They are not investment recommendations.", "urls": { "page": "/calculator/net-present-value-calculator/", "definition": "/calculator/net-present-value-calculator/definition.json", "schema": "/calculator/net-present-value-calculator/schema.json", "llms": "/calculator/net-present-value-calculator/llms.txt", "legacyDefinition": "/calculator/net-present-value-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/net-present-value-calculator/?cashFlows=-100000%2C+25000%2C+30000%2C+35000%2C+40000&discountRate=8", "queryParameters": { "cashFlows": { "label": "Cash flows by period", "type": "text", "required": true, "default": "-100000, 25000, 30000, 35000, 40000" }, "discountRate": { "label": "Discount rate per period", "type": "percent", "required": true, "default": 8 } }, "inputs": [ { "id": "cashFlows", "label": "Cash flows by period", "type": "text", "required": true, "defaultValue": "-100000, 25000, 30000, 35000, 40000", "placeholder": "Period 0 first; comma-separated" }, { "id": "discountRate", "label": "Discount rate per period", "type": "percent", "required": true, "defaultValue": 8, "min": -99.99, "max": 1000, "step": 0.01 } ], "outputs": [ { "id": "netPresentValue", "label": "Net present value", "format": "currency", "primary": true }, { "id": "presentValueInflows", "label": "Present value of positive flows", "format": "currency" }, { "id": "presentValueOutflows", "label": "Present value of negative flows", "format": "currency" }, { "id": "profitabilityIndex", "label": "Profitability index", "format": "number", "digits": 6 }, { "id": "estimatedIrr", "label": "Estimated IRR per period", "format": "percent", "digits": 6 } ], "formula": { "expression": "NPV = Σ CFₜ ÷ (1+r)^t" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cashFlows": "-100000, 25000, 30000, 35000, 40000", "discountRate": 8 } } ], "sources": [] }, { "id": "net-worth-calculator", "version": "7.0.0", "name": "Net Worth Calculator", "shortName": "Net Worth", "description": "Calculate your total net worth by subtracting liabilities from assets.", "category": "Finance", "categorySlug": "finance", "keywords": [ "net", "worth" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/net-worth-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/net-worth-calculator/", "definition": "/calculator/net-worth-calculator/definition.json", "schema": "/calculator/net-worth-calculator/schema.json", "llms": "/calculator/net-worth-calculator/llms.txt", "legacyDefinition": "/calculator/net-worth-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/net-worth-calculator/?cash=15000&investments=50000&realEstate=300000&vehicles=25000&otherAssets=10000&mortgage=220000&loans=15000&creditCards=2000&otherDebts=0", "queryParameters": { "cash": { "label": "Cash & Savings", "type": "number", "required": false, "default": 15000 }, "investments": { "label": "Investments", "type": "number", "required": false, "default": 50000 }, "realEstate": { "label": "Real Estate", "type": "number", "required": false, "default": 300000 }, "vehicles": { "label": "Vehicles", "type": "number", "required": false, "default": 25000 }, "otherAssets": { "label": "Other Assets", "type": "number", "required": false, "default": 10000 }, "mortgage": { "label": "Mortgage", "type": "number", "required": false, "default": 220000 }, "loans": { "label": "Loans (Student, Auto)", "type": "number", "required": false, "default": 15000 }, "creditCards": { "label": "Credit Card Debt", "type": "number", "required": false, "default": 2000 }, "otherDebts": { "label": "Other Debts", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "cash", "label": "Cash & Savings", "type": "number", "defaultValue": 15000 }, { "id": "investments", "label": "Investments", "type": "number", "defaultValue": 50000 }, { "id": "realEstate", "label": "Real Estate", "type": "number", "defaultValue": 300000 }, { "id": "vehicles", "label": "Vehicles", "type": "number", "defaultValue": 25000 }, { "id": "otherAssets", "label": "Other Assets", "type": "number", "defaultValue": 10000 }, { "id": "mortgage", "label": "Mortgage", "type": "number", "defaultValue": 220000 }, { "id": "loans", "label": "Loans (Student, Auto)", "type": "number", "defaultValue": 15000 }, { "id": "creditCards", "label": "Credit Card Debt", "type": "number", "defaultValue": 2000 }, { "id": "otherDebts", "label": "Other Debts", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Net worth = total assets − total liabilities." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cash": 15000, "investments": 50000, "realEstate": 300000, "vehicles": 25000, "otherAssets": 10000, "mortgage": 220000, "loans": 15000, "creditCards": 2000, "otherDebts": 0 } } ], "sources": [] }, { "id": "nominal-interest-rate-calculator", "version": "1.0.0", "name": "Nominal Interest Rate Calculator", "shortName": "Nominal Interest Rate", "description": "Convert an effective annual interest rate to an equivalent nominal annual rate for a selected compounding frequency.", "category": "Finance", "categorySlug": "finance", "keywords": [ "nominal", "interest", "rate", "calculator", "nominal interest rate calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/nominal-interest-rate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/nominal-interest-rate-calculator/", "definition": "/calculator/nominal-interest-rate-calculator/definition.json", "schema": "/calculator/nominal-interest-rate-calculator/schema.json", "llms": "/calculator/nominal-interest-rate-calculator/llms.txt", "legacyDefinition": "/calculator/nominal-interest-rate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/nominal-interest-rate-calculator/?effectiveAnnualRate=6.1678&compoundsPerYear=12", "queryParameters": { "effectiveAnnualRate": { "label": "Effective annual rate", "type": "percent", "required": true, "default": 6.1678 }, "compoundsPerYear": { "label": "Compounds per year", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "effectiveAnnualRate", "label": "Effective annual rate", "type": "percent", "required": true, "defaultValue": 6.1678, "min": -99.99, "max": 1000, "step": 0.0001 }, { "id": "compoundsPerYear", "label": "Compounds per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 } ], "outputs": [ { "id": "nominalAnnualRate", "label": "Nominal annual rate", "format": "percent", "primary": true, "digits": 10 }, { "id": "periodicRate", "label": "Periodic rate", "format": "percent", "digits": 10 }, { "id": "effectiveCheck", "label": "Recomputed effective annual rate", "format": "percent", "digits": 10 } ], "formula": { "expression": "nominal rate j = m[(1+EAR)^(1/m) − 1]" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "effectiveAnnualRate": 6.1678, "compoundsPerYear": 12 } } ], "sources": [] }, { "id": "operations-ratios-calculator", "version": "1.0.0", "name": "Operations Ratios Calculator", "shortName": "Operations Ratios", "description": "Calculate operating-efficiency ratios for assets, inventory, receivables, payables, and working capital.", "category": "Finance", "categorySlug": "finance", "keywords": [ "operations", "ratios", "calculator", "operations ratios calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/operations-ratios-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Ratio definitions and useful benchmarks vary by industry and accounting policy.", "urls": { "page": "/calculator/operations-ratios-calculator/", "definition": "/calculator/operations-ratios-calculator/definition.json", "schema": "/calculator/operations-ratios-calculator/schema.json", "llms": "/calculator/operations-ratios-calculator/llms.txt", "legacyDefinition": "/calculator/operations-ratios-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/operations-ratios-calculator/?netSales=1000000&costOfGoodsSold=600000&averageTotalAssets=500000&averageInventory=100000&averageAccountsReceivable=80000&averageAccountsPayable=75000&averageWorkingCapital=150000&daysInPeriod=365", "queryParameters": { "netSales": { "label": "Net sales", "type": "money", "required": true, "default": 1000000 }, "costOfGoodsSold": { "label": "Cost of goods sold", "type": "money", "required": true, "default": 600000 }, "averageTotalAssets": { "label": "Average total assets", "type": "money", "required": true, "default": 500000 }, "averageInventory": { "label": "Average inventory", "type": "money", "required": true, "default": 100000 }, "averageAccountsReceivable": { "label": "Average accounts receivable", "type": "money", "required": true, "default": 80000 }, "averageAccountsPayable": { "label": "Average accounts payable", "type": "money", "required": true, "default": 75000 }, "averageWorkingCapital": { "label": "Average working capital", "type": "money", "required": true, "default": 150000 }, "daysInPeriod": { "label": "Days in analysis period", "type": "number", "required": true, "default": 365 } }, "inputs": [ { "id": "netSales", "label": "Net sales", "type": "money", "required": true, "defaultValue": 1000000, "min": 0, "step": 100 }, { "id": "costOfGoodsSold", "label": "Cost of goods sold", "type": "money", "required": true, "defaultValue": 600000, "min": 0, "step": 100 }, { "id": "averageTotalAssets", "label": "Average total assets", "type": "money", "required": true, "defaultValue": 500000, "min": 0, "step": 100 }, { "id": "averageInventory", "label": "Average inventory", "type": "money", "required": true, "defaultValue": 100000, "min": 0, "step": 100 }, { "id": "averageAccountsReceivable", "label": "Average accounts receivable", "type": "money", "required": true, "defaultValue": 80000, "min": 0, "step": 100 }, { "id": "averageAccountsPayable", "label": "Average accounts payable", "type": "money", "required": true, "defaultValue": 75000, "min": 0, "step": 100 }, { "id": "averageWorkingCapital", "label": "Average working capital", "type": "money", "required": true, "defaultValue": 150000, "step": 100 }, { "id": "daysInPeriod", "label": "Days in analysis period", "type": "number", "required": true, "defaultValue": 365, "min": 1, "max": 366, "step": 1 } ], "outputs": [ { "id": "assetTurnover", "label": "Total asset turnover", "format": "number", "primary": true, "digits": 4, "suffix": "×" }, { "id": "inventoryTurnover", "label": "Inventory turnover", "format": "number", "digits": 4, "suffix": "×" }, { "id": "daysInventory", "label": "Days inventory outstanding", "format": "number", "digits": 2 }, { "id": "receivablesTurnover", "label": "Receivables turnover", "format": "number", "digits": 4, "suffix": "×" }, { "id": "daysSalesOutstanding", "label": "Days sales outstanding", "format": "number", "digits": 2 }, { "id": "payablesTurnover", "label": "Payables turnover", "format": "number", "digits": 4, "suffix": "×" }, { "id": "daysPayables", "label": "Days payables outstanding", "format": "number", "digits": 2 }, { "id": "workingCapitalTurnover", "label": "Working capital turnover", "format": "number", "digits": 4, "suffix": "×" } ], "formula": { "expression": "turnover = relevant flow ÷ average balance; days outstanding = period days ÷ turnover" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "netSales": 1000000, "costOfGoodsSold": 600000, "averageTotalAssets": 500000, "averageInventory": 100000, "averageAccountsReceivable": 80000, "averageAccountsPayable": 75000, "averageWorkingCapital": 150000, "daysInPeriod": 365 } } ], "sources": [] }, { "id": "payback-period-calculator", "version": "7.0.0", "name": "Payback Period Calculator", "shortName": "Payback Period", "description": "Calculate the time required to recoup an initial investment.", "category": "Finance", "categorySlug": "finance", "keywords": [ "payback", "period" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/payback-period-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/payback-period-calculator/", "definition": "/calculator/payback-period-calculator/definition.json", "schema": "/calculator/payback-period-calculator/schema.json", "llms": "/calculator/payback-period-calculator/llms.txt", "legacyDefinition": "/calculator/payback-period-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/payback-period-calculator/?investment=50000&annualCashFlow=12000", "queryParameters": { "investment": { "label": "Initial Investment Cost", "type": "number", "required": false, "default": 50000 }, "annualCashFlow": { "label": "Annual Cash Flow / Savings", "type": "number", "required": false, "default": 12000 } }, "inputs": [ { "id": "investment", "label": "Initial Investment Cost", "type": "number", "defaultValue": 50000 }, { "id": "annualCashFlow", "label": "Annual Cash Flow / Savings", "type": "number", "defaultValue": 12000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Payback period = initial investment ÷ recurring net cash inflow, with years and months derived from the fractional result." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "investment": 50000, "annualCashFlow": 12000 } } ], "sources": [] }, { "id": "payment-calculator", "version": "7.0.0", "name": "Payment Calculator", "shortName": "Payment", "description": "Calculate your monthly loan payments and total interest for any type of loan.", "category": "Finance", "categorySlug": "finance", "keywords": [ "payment" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/payment-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/payment-calculator/", "definition": "/calculator/payment-calculator/definition.json", "schema": "/calculator/payment-calculator/schema.json", "llms": "/calculator/payment-calculator/llms.txt", "legacyDefinition": "/calculator/payment-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/payment-calculator/?loanAmount=10000&interestRate=5&loanTerm=5", "queryParameters": { "loanAmount": { "label": "Loan Amount ($)", "type": "number", "required": false, "default": 10000 }, "interestRate": { "label": "Interest Rate (%)", "type": "number", "required": false, "default": 5 }, "loanTerm": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "loanAmount", "label": "Loan Amount ($)", "type": "number", "defaultValue": 10000 }, { "id": "interestRate", "label": "Interest Rate (%)", "type": "number", "defaultValue": 5 }, { "id": "loanTerm", "label": "Loan Term (Years)", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Monthly payment = P·r·(1+r)^n ÷ ((1+r)^n−1); total interest = monthly payment × n − P." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 10000, "interestRate": 5, "loanTerm": 5 } } ], "sources": [] }, { "id": "pension-calculator", "version": "7.0.0", "name": "Pension Calculator", "shortName": "Pension", "description": "Estimate your defined benefit pension payout based on years of service and salary.", "category": "Finance", "categorySlug": "finance", "keywords": [ "pension" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pension-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pension-calculator/", "definition": "/calculator/pension-calculator/definition.json", "schema": "/calculator/pension-calculator/schema.json", "llms": "/calculator/pension-calculator/llms.txt", "legacyDefinition": "/calculator/pension-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pension-calculator/?yearsService=25&finalSalary=85000&multiplier=2", "queryParameters": { "yearsService": { "label": "Years of Service", "type": "number", "required": false, "default": 25 }, "finalSalary": { "label": "Final Average Salary", "type": "number", "required": false, "default": 85000 }, "multiplier": { "label": "Benefit Multiplier", "type": "number", "required": false, "default": 2 } }, "inputs": [ { "id": "yearsService", "label": "Years of Service", "type": "number", "defaultValue": 25 }, { "id": "finalSalary", "label": "Final Average Salary", "type": "number", "defaultValue": 85000 }, { "id": "multiplier", "label": "Benefit Multiplier", "type": "number", "defaultValue": 2 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Annual pension = final salary × years of service × pension multiplier; monthly pension = annual pension ÷ 12; optional lump-sum estimate = annual pension × entered factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "yearsService": 25, "finalSalary": 85000, "multiplier": 2 } } ], "sources": [] }, { "id": "percent-off-calculator", "version": "7.0.0", "name": "Percent Off Calculator", "shortName": "Percent Off", "description": "Calculate the final price after applying one or more percentage discounts.", "category": "Finance", "categorySlug": "finance", "keywords": [ "percent", "off" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percent-off-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percent-off-calculator/", "definition": "/calculator/percent-off-calculator/definition.json", "schema": "/calculator/percent-off-calculator/schema.json", "llms": "/calculator/percent-off-calculator/llms.txt", "legacyDefinition": "/calculator/percent-off-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percent-off-calculator/?originalPrice=100&percentOff=20&additionalOff=0", "queryParameters": { "originalPrice": { "label": "Original Price", "type": "number", "required": false, "default": 100 }, "percentOff": { "label": "Percent Off", "type": "number", "required": false, "default": 20 }, "additionalOff": { "label": "Additional % Off (Stacked)", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "originalPrice", "label": "Original Price", "type": "number", "defaultValue": 100 }, { "id": "percentOff", "label": "Percent Off", "type": "number", "defaultValue": 20 }, { "id": "additionalOff", "label": "Additional % Off (Stacked)", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Discount amount = original price × percent off; sale price = original price − discount amount." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "originalPrice": 100, "percentOff": 20, "additionalOff": 0 } } ], "sources": [] }, { "id": "periodic-interest-rate-calculator", "version": "1.0.0", "name": "Periodic Interest Rate Calculator", "shortName": "Periodic Interest Rate", "description": "Calculate the periodic rate from a nominal annual rate or from an effective annual rate.", "category": "Finance", "categorySlug": "finance", "keywords": [ "periodic", "interest", "rate", "calculator", "periodic interest rate calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/periodic-interest-rate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/periodic-interest-rate-calculator/", "definition": "/calculator/periodic-interest-rate-calculator/definition.json", "schema": "/calculator/periodic-interest-rate-calculator/schema.json", "llms": "/calculator/periodic-interest-rate-calculator/llms.txt", "legacyDefinition": "/calculator/periodic-interest-rate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/periodic-interest-rate-calculator/?annualRateType=nominal&annualRate=6&periodsPerYear=12", "queryParameters": { "annualRateType": { "label": "Annual rate type", "type": "select", "required": true, "default": "nominal" }, "annualRate": { "label": "Annual interest rate", "type": "percent", "required": true, "default": 6 }, "periodsPerYear": { "label": "Periods per year", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "annualRateType", "label": "Annual rate type", "type": "select", "required": true, "defaultValue": "nominal", "options": [ { "label": "Nominal annual rate", "value": "nominal" }, { "label": "Effective annual rate", "value": "effective" } ] }, { "id": "annualRate", "label": "Annual interest rate", "type": "percent", "required": true, "defaultValue": 6, "min": -99.99, "max": 1000, "step": 0.001 }, { "id": "periodsPerYear", "label": "Periods per year", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 365, "step": 1 } ], "outputs": [ { "id": "periodicRate", "label": "Periodic interest rate", "format": "percent", "primary": true, "digits": 12 }, { "id": "nominalAnnualRate", "label": "Equivalent nominal annual rate", "format": "percent", "digits": 10 }, { "id": "effectiveAnnualRate", "label": "Equivalent effective annual rate", "format": "percent", "digits": 10 } ], "formula": { "expression": "nominal: i = j/m; effective: i = (1+EAR)^(1/m) − 1" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "annualRateType": "nominal", "annualRate": 6, "periodsPerYear": 12 } } ], "sources": [] }, { "id": "personal-loan-calculator", "version": "7.0.0", "name": "Personal Loan Calculator", "shortName": "Personal Loan", "description": "Calculate monthly payments and total interest for a personal loan, including origination fees.", "category": "Finance", "categorySlug": "finance", "keywords": [ "personal", "loan" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/personal-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/personal-loan-calculator/", "definition": "/calculator/personal-loan-calculator/definition.json", "schema": "/calculator/personal-loan-calculator/schema.json", "llms": "/calculator/personal-loan-calculator/llms.txt", "legacyDefinition": "/calculator/personal-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/personal-loan-calculator/?amount=15000&rate=10.5&term=3&originationFee=0", "queryParameters": { "amount": { "label": "Loan Amount", "type": "number", "required": false, "default": 15000 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 10.5 }, "term": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 3 }, "originationFee": { "label": "Origination Fee", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "amount", "label": "Loan Amount", "type": "number", "defaultValue": 15000 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 10.5 }, { "id": "term", "label": "Loan Term (Years)", "type": "number", "defaultValue": 3 }, { "id": "originationFee", "label": "Origination Fee", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Payment uses the installment-loan formula; fee-adjusted APR is the discount rate that equates net loan proceeds with scheduled payments." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 15000, "rate": 10.5, "term": 3, "originationFee": 0 } } ], "sources": [] }, { "id": "present-value-calculator", "version": "1.0.0", "name": "Present Value Calculator", "shortName": "Present value", "description": "Find the current value of a future amount at a chosen discount rate.", "category": "Finance", "categorySlug": "finance", "keywords": [ "discounted cash flow", "present value", "discount rate", "future money" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/present-value-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/present-value-calculator/", "definition": "/calculator/present-value-calculator/definition.json", "schema": "/calculator/present-value-calculator/schema.json", "llms": "/calculator/present-value-calculator/llms.txt", "legacyDefinition": "/calculator/present-value-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/present-value-calculator/?futureValue=20000&annualRate=6&years=5&compounding=12", "queryParameters": { "futureValue": { "label": "Future value", "type": "money", "required": true, "default": 20000 }, "annualRate": { "label": "Annual discount rate", "type": "percent", "required": true, "default": 6 }, "years": { "label": "Years", "type": "number", "required": true, "default": 5 }, "compounding": { "label": "Compounding periods per year", "type": "select", "required": true, "default": 12 } }, "inputs": [ { "id": "futureValue", "label": "Future value", "type": "money", "required": true, "defaultValue": 20000, "min": 0, "step": 100, "width": "half" }, { "id": "annualRate", "label": "Annual discount rate", "type": "percent", "required": true, "defaultValue": 6, "min": -99, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Years", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 200, "step": 0.1, "width": "half" }, { "id": "compounding", "label": "Compounding periods per year", "type": "select", "required": true, "defaultValue": 12, "options": [ { "label": "Yearly", "value": 1 }, { "label": "Quarterly", "value": 4 }, { "label": "Monthly", "value": 12 }, { "label": "Daily", "value": 365 } ], "width": "half" } ], "outputs": [ { "id": "presentValue", "label": "Present value", "format": "currency", "primary": true }, { "id": "discountAmount", "label": "Discount amount", "format": "currency" }, { "id": "discountFactor", "label": "Discount factor", "format": "number", "digits": 4 } ], "formula": { "expression": "PV = FV ÷ (1 + r/m)ᵐᵗ" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "futureValue": 20000, "annualRate": 6, "years": 5, "compounding": 12 } } ], "sources": [] }, { "id": "present-value-of-dollar-1-annuity-table-calculator", "version": "1.0.0", "name": "Present Value of $1 Annuity Table (PVIFA) Calculator", "shortName": "Present Value of $1 Annuity Table (PVIFA)", "description": "Calculate present-value annuity factors for end- or beginning-of-period payments of $1.", "category": "Finance", "categorySlug": "finance", "keywords": [ "present", "value", "of", "1", "annuity", "table", "pvifa", "calculator", "present value of dollar 1 annuity table calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/present-value-of-dollar-1-annuity-table-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/present-value-of-dollar-1-annuity-table-calculator/", "definition": "/calculator/present-value-of-dollar-1-annuity-table-calculator/definition.json", "schema": "/calculator/present-value-of-dollar-1-annuity-table-calculator/schema.json", "llms": "/calculator/present-value-of-dollar-1-annuity-table-calculator/llms.txt", "legacyDefinition": "/calculator/present-value-of-dollar-1-annuity-table-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/present-value-of-dollar-1-annuity-table-calculator/?ratePerPeriod=5&periods=20&paymentTiming=end", "queryParameters": { "ratePerPeriod": { "label": "Discount rate per period", "type": "percent", "required": true, "default": 5 }, "periods": { "label": "Number of periods", "type": "number", "required": true, "default": 20 }, "paymentTiming": { "label": "Payment timing", "type": "select", "required": true, "default": "end" } }, "inputs": [ { "id": "ratePerPeriod", "label": "Discount rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "periods", "label": "Number of periods", "type": "number", "required": true, "defaultValue": 20, "min": 1, "max": 500, "step": 1 }, { "id": "paymentTiming", "label": "Payment timing", "type": "select", "required": true, "defaultValue": "end", "options": [ { "label": "End of each period (ordinary)", "value": "end" }, { "label": "Beginning of each period (annuity due)", "value": "begin" } ] } ], "outputs": [ { "id": "pvifa", "label": "PV annuity factor", "format": "number", "primary": true, "digits": 10 }, { "id": "presentValue", "label": "Present value of $1 payments", "format": "currency", "digits": 10 }, { "id": "undiscountedPayments", "label": "Undiscounted $1 payments", "format": "currency" } ], "formula": { "expression": "PVIFA = [1 − (1+i)^−n] ÷ i, multiplied by (1+i) for an annuity due" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ratePerPeriod": 5, "periods": 20, "paymentTiming": "end" } } ], "sources": [] }, { "id": "present-value-of-dollar-1-table-calculator", "version": "1.0.0", "name": "Present Value of $1 Table (PVIF) Calculator", "shortName": "Present Value of $1 Table (PVIF)", "description": "Calculate present-value interest factors and create a period-by-period PVIF table.", "category": "Finance", "categorySlug": "finance", "keywords": [ "present", "value", "of", "1", "table", "pvif", "calculator", "present value of dollar 1 table calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/present-value-of-dollar-1-table-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/present-value-of-dollar-1-table-calculator/", "definition": "/calculator/present-value-of-dollar-1-table-calculator/definition.json", "schema": "/calculator/present-value-of-dollar-1-table-calculator/schema.json", "llms": "/calculator/present-value-of-dollar-1-table-calculator/llms.txt", "legacyDefinition": "/calculator/present-value-of-dollar-1-table-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/present-value-of-dollar-1-table-calculator/?ratePerPeriod=5&periods=20", "queryParameters": { "ratePerPeriod": { "label": "Discount rate per period", "type": "percent", "required": true, "default": 5 }, "periods": { "label": "Number of periods", "type": "number", "required": true, "default": 20 } }, "inputs": [ { "id": "ratePerPeriod", "label": "Discount rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "periods", "label": "Number of periods", "type": "number", "required": true, "defaultValue": 20, "min": 1, "max": 500, "step": 1 } ], "outputs": [ { "id": "pvif", "label": "PVIF at final period", "format": "number", "primary": true, "digits": 10 }, { "id": "presentValue", "label": "Present value of future $1", "format": "currency", "digits": 10 }, { "id": "discountPercent", "label": "Total discount from $1", "format": "percent", "digits": 8 } ], "formula": { "expression": "PVIF(i,n) = 1 ÷ (1+i)^n" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ratePerPeriod": 5, "periods": 20 } } ], "sources": [] }, { "id": "present-value-of-annuity-calculator", "version": "1.0.0", "name": "Present Value of Annuity Calculator", "shortName": "Present Value of Annuity", "description": "Calculate the present value of level, growing, or perpetual periodic payments.", "category": "Finance", "categorySlug": "finance", "keywords": [ "present", "value", "of", "annuity", "calculator", "present value of annuity calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/present-value-of-annuity-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Annuity valuations are sensitive to rates, timing, fees, taxes, guarantees, and payment assumptions.", "urls": { "page": "/calculator/present-value-of-annuity-calculator/", "definition": "/calculator/present-value-of-annuity-calculator/definition.json", "schema": "/calculator/present-value-of-annuity-calculator/schema.json", "llms": "/calculator/present-value-of-annuity-calculator/llms.txt", "legacyDefinition": "/calculator/present-value-of-annuity-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/present-value-of-annuity-calculator/?annuityType=level&payment=1000&discountRate=5&growthRate=2&periods=20&paymentTiming=end", "queryParameters": { "annuityType": { "label": "Annuity type", "type": "select", "required": true, "default": "level" }, "payment": { "label": "First periodic payment", "type": "money", "required": true, "default": 1000 }, "discountRate": { "label": "Discount rate per period", "type": "percent", "required": true, "default": 5 }, "growthRate": { "label": "Payment growth rate per period", "type": "percent", "required": true, "default": 2 }, "periods": { "label": "Number of payments", "type": "number", "required": true, "default": 20 }, "paymentTiming": { "label": "First payment timing", "type": "select", "required": true, "default": "end" } }, "inputs": [ { "id": "annuityType", "label": "Annuity type", "type": "select", "required": true, "defaultValue": "level", "options": [ { "label": "Level annuity", "value": "level" }, { "label": "Growing annuity", "value": "growing" }, { "label": "Growing perpetuity", "value": "perpetuity" } ] }, { "id": "payment", "label": "First periodic payment", "type": "money", "required": true, "defaultValue": 1000, "min": 0, "step": 10 }, { "id": "discountRate", "label": "Discount rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "growthRate", "label": "Payment growth rate per period", "type": "percent", "required": true, "defaultValue": 2, "min": -99.99, "max": 1000, "step": 0.01 }, { "id": "periods", "label": "Number of payments", "type": "number", "required": true, "defaultValue": 20, "min": 1, "max": 10000, "step": 1 }, { "id": "paymentTiming", "label": "First payment timing", "type": "select", "required": true, "defaultValue": "end", "options": [ { "label": "End of first period", "value": "end" }, { "label": "Immediately / beginning", "value": "begin" } ] } ], "outputs": [ { "id": "presentValue", "label": "Present value", "format": "currency", "primary": true }, { "id": "firstPayment", "label": "First payment", "format": "currency" }, { "id": "lastPayment", "label": "Last payment", "format": "currency" }, { "id": "undiscountedPayments", "label": "Sum of projected payments", "format": "currency" }, { "id": "annuityFactor", "label": "Present-value factor", "format": "number", "digits": 10 } ], "formula": { "expression": "level PV = PMT[1−(1+i)^−n]/i; growing PV = PMT[1−((1+g)/(1+i))^n]/(i−g)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "annuityType": "level", "payment": 1000, "discountRate": 5, "growthRate": 2, "periods": 20, "paymentTiming": "end" } } ], "sources": [] }, { "id": "present-value-of-cash-flows-calculator", "version": "1.0.0", "name": "Present Value of Cash Flows Calculator", "shortName": "Present Value of Cash Flows", "description": "Discount periodic cash flows to period zero and show each present-value contribution.", "category": "Finance", "categorySlug": "finance", "keywords": [ "present", "value", "of", "cash", "flows", "calculator", "present value of cash flows calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/present-value-of-cash-flows-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/present-value-of-cash-flows-calculator/", "definition": "/calculator/present-value-of-cash-flows-calculator/definition.json", "schema": "/calculator/present-value-of-cash-flows-calculator/schema.json", "llms": "/calculator/present-value-of-cash-flows-calculator/llms.txt", "legacyDefinition": "/calculator/present-value-of-cash-flows-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/present-value-of-cash-flows-calculator/?cashFlows=-1000%2C+200%2C+300%2C+400%2C+500&discountRate=5", "queryParameters": { "cashFlows": { "label": "Cash flows by period", "type": "text", "required": true, "default": "-1000, 200, 300, 400, 500" }, "discountRate": { "label": "Discount rate per period", "type": "percent", "required": true, "default": 5 } }, "inputs": [ { "id": "cashFlows", "label": "Cash flows by period", "type": "text", "required": true, "defaultValue": "-1000, 200, 300, 400, 500", "placeholder": "Period 0 first; comma-separated" }, { "id": "discountRate", "label": "Discount rate per period", "type": "percent", "required": true, "defaultValue": 5, "min": -99.99, "max": 1000, "step": 0.01 } ], "outputs": [ { "id": "presentValue", "label": "Present value of all cash flows", "format": "currency", "primary": true }, { "id": "presentValuePositiveFlows", "label": "PV of positive flows", "format": "currency" }, { "id": "presentValueNegativeFlows", "label": "PV of negative flows", "format": "currency" }, { "id": "undiscountedTotal", "label": "Undiscounted total", "format": "currency" }, { "id": "cashFlowCount", "label": "Cash flows", "format": "integer" } ], "formula": { "expression": "PV = Σ CFₜ ÷ (1+i)^t" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cashFlows": "-1000, 200, 300, 400, 500", "discountRate": 5 } } ], "sources": [] }, { "id": "price-calculator", "version": "1.0.0", "name": "Price Calculator", "shortName": "Price", "description": "Calculate selling price, gross profit, and markup from cost and a target gross margin.", "category": "Finance", "categorySlug": "finance", "keywords": [ "price", "calculator", "price calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/price-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/price-calculator/", "definition": "/calculator/price-calculator/definition.json", "schema": "/calculator/price-calculator/schema.json", "llms": "/calculator/price-calculator/llms.txt", "legacyDefinition": "/calculator/price-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/price-calculator/?cost=80&grossMargin=20", "queryParameters": { "cost": { "label": "Cost", "type": "money", "required": true, "default": 80 }, "grossMargin": { "label": "Target gross margin", "type": "percent", "required": true, "default": 20 } }, "inputs": [ { "id": "cost", "label": "Cost", "type": "money", "required": true, "defaultValue": 80, "min": 0, "step": 0.01 }, { "id": "grossMargin", "label": "Target gross margin", "type": "percent", "required": true, "defaultValue": 20, "min": -1000, "max": 99.999, "step": 0.01 } ], "outputs": [ { "id": "sellingPrice", "label": "Selling price / revenue", "format": "currency", "primary": true }, { "id": "grossProfit", "label": "Gross profit", "format": "currency" }, { "id": "markupPercent", "label": "Markup on cost", "format": "percent", "digits": 8 }, { "id": "costPercentOfPrice", "label": "Cost as % of price", "format": "percent", "digits": 8 } ], "formula": { "expression": "selling price = cost ÷ (1 − gross margin); profit = price − cost" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 80, "grossMargin": 20 } } ], "sources": [] }, { "id": "profit-goal-calculator", "version": "1.0.0", "name": "Profit Goal Calculator", "shortName": "Profit Goal", "description": "Calculate unit sales and revenue required to cover fixed costs and reach a target operating profit.", "category": "Finance", "categorySlug": "finance", "keywords": [ "profit", "goal", "calculator", "profit goal calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/profit-goal-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/profit-goal-calculator/", "definition": "/calculator/profit-goal-calculator/definition.json", "schema": "/calculator/profit-goal-calculator/schema.json", "llms": "/calculator/profit-goal-calculator/llms.txt", "legacyDefinition": "/calculator/profit-goal-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/profit-goal-calculator/?sellingPricePerUnit=50&variableCostPerUnit=30&fixedCosts=100000&targetProfit=25000", "queryParameters": { "sellingPricePerUnit": { "label": "Selling price per unit", "type": "money", "required": true, "default": 50 }, "variableCostPerUnit": { "label": "Variable cost per unit", "type": "money", "required": true, "default": 30 }, "fixedCosts": { "label": "Fixed costs", "type": "money", "required": true, "default": 100000 }, "targetProfit": { "label": "Target profit", "type": "money", "required": true, "default": 25000 } }, "inputs": [ { "id": "sellingPricePerUnit", "label": "Selling price per unit", "type": "money", "required": true, "defaultValue": 50, "min": 0, "step": 0.01 }, { "id": "variableCostPerUnit", "label": "Variable cost per unit", "type": "money", "required": true, "defaultValue": 30, "min": 0, "step": 0.01 }, { "id": "fixedCosts", "label": "Fixed costs", "type": "money", "required": true, "defaultValue": 100000, "min": 0, "step": 100 }, { "id": "targetProfit", "label": "Target profit", "type": "money", "required": true, "defaultValue": 25000, "step": 100 } ], "outputs": [ { "id": "unitsRequired", "label": "Units required", "format": "integer", "primary": true }, { "id": "exactUnits", "label": "Exact units before rounding", "format": "number", "digits": 6 }, { "id": "requiredRevenue", "label": "Required sales revenue", "format": "currency" }, { "id": "contributionMarginPerUnit", "label": "Contribution margin per unit", "format": "currency" }, { "id": "contributionMarginRatio", "label": "Contribution margin ratio", "format": "percent", "digits": 6 }, { "id": "breakEvenUnits", "label": "Break-even units", "format": "integer" } ], "formula": { "expression": "units for target = (fixed costs + target profit) ÷ (price − variable cost)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sellingPricePerUnit": 50, "variableCostPerUnit": 30, "fixedCosts": 100000, "targetProfit": 25000 } } ], "sources": [] }, { "id": "margin-calculator", "version": "1.0.0", "name": "Profit Margin Calculator", "shortName": "Margin", "description": "Find gross profit, margin, markup, and optional profit per unit.", "category": "Finance", "categorySlug": "finance", "keywords": [ "profit", "gross margin", "markup", "pricing", "cost" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/margin-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/margin-calculator/", "definition": "/calculator/margin-calculator/definition.json", "schema": "/calculator/margin-calculator/schema.json", "llms": "/calculator/margin-calculator/llms.txt", "legacyDefinition": "/calculator/margin-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/margin-calculator/?revenue=10000&cost=6500", "queryParameters": { "revenue": { "label": "Revenue", "type": "money", "required": true, "default": 10000 }, "cost": { "label": "Cost", "type": "money", "required": true, "default": 6500 }, "units": { "label": "Units sold", "type": "number", "required": false } }, "inputs": [ { "id": "revenue", "label": "Revenue", "type": "money", "required": true, "defaultValue": 10000, "min": 0.01, "step": 100, "width": "half" }, { "id": "cost", "label": "Cost", "type": "money", "required": true, "defaultValue": 6500, "min": 0, "step": 100, "width": "half" }, { "id": "units", "label": "Units sold", "type": "number", "min": 1, "step": 1, "help": "Optional", "width": "full" } ], "outputs": [ { "id": "grossProfit", "label": "Gross profit", "format": "currency", "primary": true }, { "id": "margin", "label": "Profit margin", "format": "percent" }, { "id": "markup", "label": "Markup", "format": "percent" }, { "id": "profitPerUnit", "label": "Profit per unit", "format": "currency" } ], "formula": { "expression": "Margin = (Revenue − Cost) ÷ Revenue × 100", "variables": [ { "symbol": "Markup", "meaning": "(Revenue − Cost) ÷ Cost × 100" } ] }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "revenue": 10000, "cost": 6500 } } ], "sources": [] }, { "id": "profitability-ratios-calculator", "version": "1.0.0", "name": "Profitability Ratios Calculator", "shortName": "Profitability Ratios", "description": "Calculate gross, operating, and net margins plus return on assets, equity, and capital employed.", "category": "Finance", "categorySlug": "finance", "keywords": [ "profitability", "ratios", "calculator", "profitability ratios calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/profitability-ratios-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Financial ratios depend on accounting definitions and should be evaluated in context.", "urls": { "page": "/calculator/profitability-ratios-calculator/", "definition": "/calculator/profitability-ratios-calculator/definition.json", "schema": "/calculator/profitability-ratios-calculator/schema.json", "llms": "/calculator/profitability-ratios-calculator/llms.txt", "legacyDefinition": "/calculator/profitability-ratios-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/profitability-ratios-calculator/?revenue=1000000&costOfGoodsSold=600000&operatingIncome=150000&netIncome=100000&averageAssets=800000&averageEquity=400000¤tLiabilities=150000", "queryParameters": { "revenue": { "label": "Revenue / net sales", "type": "money", "required": true, "default": 1000000 }, "costOfGoodsSold": { "label": "Cost of goods sold", "type": "money", "required": true, "default": 600000 }, "operatingIncome": { "label": "Operating income (EBIT)", "type": "money", "required": true, "default": 150000 }, "netIncome": { "label": "Net income", "type": "money", "required": true, "default": 100000 }, "averageAssets": { "label": "Average total assets", "type": "money", "required": true, "default": 800000 }, "averageEquity": { "label": "Average shareholders’ equity", "type": "money", "required": true, "default": 400000 }, "currentLiabilities": { "label": "Current liabilities", "type": "money", "required": true, "default": 150000 } }, "inputs": [ { "id": "revenue", "label": "Revenue / net sales", "type": "money", "required": true, "defaultValue": 1000000, "min": 0, "step": 100 }, { "id": "costOfGoodsSold", "label": "Cost of goods sold", "type": "money", "required": true, "defaultValue": 600000, "min": 0, "step": 100 }, { "id": "operatingIncome", "label": "Operating income (EBIT)", "type": "money", "required": true, "defaultValue": 150000, "step": 100 }, { "id": "netIncome", "label": "Net income", "type": "money", "required": true, "defaultValue": 100000, "step": 100 }, { "id": "averageAssets", "label": "Average total assets", "type": "money", "required": true, "defaultValue": 800000, "min": 0, "step": 100 }, { "id": "averageEquity", "label": "Average shareholders’ equity", "type": "money", "required": true, "defaultValue": 400000, "step": 100 }, { "id": "currentLiabilities", "label": "Current liabilities", "type": "money", "required": true, "defaultValue": 150000, "min": 0, "step": 100 } ], "outputs": [ { "id": "grossMargin", "label": "Gross profit margin", "format": "percent", "primary": true, "digits": 4 }, { "id": "operatingMargin", "label": "Operating margin", "format": "percent", "digits": 4 }, { "id": "netProfitMargin", "label": "Net profit margin", "format": "percent", "digits": 4 }, { "id": "returnOnAssets", "label": "Return on assets", "format": "percent", "digits": 4 }, { "id": "returnOnEquity", "label": "Return on equity", "format": "percent", "digits": 4 }, { "id": "returnOnCapitalEmployed", "label": "Return on capital employed", "format": "percent", "digits": 4 }, { "id": "grossProfit", "label": "Gross profit", "format": "currency" } ], "formula": { "expression": "margin = profit ÷ revenue; ROA = net income ÷ average assets; ROE = net income ÷ average equity" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "revenue": 1000000, "costOfGoodsSold": 600000, "operatingIncome": 150000, "netIncome": 100000, "averageAssets": 800000, "averageEquity": 400000, "currentLiabilities": 150000 } } ], "sources": [] }, { "id": "property-depreciation-real-estate-calculator", "version": "1.0.0", "name": "Property Depreciation Calculator: Real Estate", "shortName": "Property Depreciation Calculator: Real Est", "description": "Create a straight-line, mid-month-convention depreciation schedule for U.S. residential rental or nonresidential real property.", "category": "Finance", "categorySlug": "finance", "keywords": [ "property", "depreciation", "calculator", "real", "estate", "property depreciation real estate calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/property-depreciation-real-estate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "U.S. tax depreciation is fact-specific and can change. Use current IRS guidance and a qualified tax professional for filings.", "urls": { "page": "/calculator/property-depreciation-real-estate-calculator/", "definition": "/calculator/property-depreciation-real-estate-calculator/definition.json", "schema": "/calculator/property-depreciation-real-estate-calculator/schema.json", "llms": "/calculator/property-depreciation-real-estate-calculator/llms.txt", "legacyDefinition": "/calculator/property-depreciation-real-estate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/property-depreciation-real-estate-calculator/?buildingBasis=500000&propertyType=residential&placedInServiceMonth=7&bonusBasisAdjustment=0", "queryParameters": { "buildingBasis": { "label": "Depreciable building basis", "type": "money", "required": true, "default": 500000 }, "propertyType": { "label": "Property type", "type": "select", "required": true, "default": "residential" }, "placedInServiceMonth": { "label": "Placed-in-service month", "type": "number", "required": true, "default": 7 }, "bonusBasisAdjustment": { "label": "Basis adjustments", "type": "money", "required": true, "default": 0 } }, "inputs": [ { "id": "buildingBasis", "label": "Depreciable building basis", "type": "money", "required": true, "defaultValue": 500000, "min": 0, "step": 1000, "help": "Exclude nondepreciable land value." }, { "id": "propertyType", "label": "Property type", "type": "select", "required": true, "defaultValue": "residential", "options": [ { "label": "Residential rental property (27.5 years)", "value": "residential" }, { "label": "Nonresidential real property (39 years)", "value": "nonresidential" } ] }, { "id": "placedInServiceMonth", "label": "Placed-in-service month", "type": "number", "required": true, "defaultValue": 7, "min": 1, "max": 12, "step": 1 }, { "id": "bonusBasisAdjustment", "label": "Basis adjustments", "type": "money", "required": true, "defaultValue": 0, "step": 100, "help": "Positive or negative adjustment applied to building basis." } ], "outputs": [ { "id": "adjustedBasis", "label": "Adjusted depreciable basis", "format": "currency", "primary": true }, { "id": "firstYearDepreciation", "label": "First tax-year depreciation", "format": "currency" }, { "id": "fullYearDepreciation", "label": "Full-year straight-line amount", "format": "currency" }, { "id": "finalYearDepreciation", "label": "Final partial-year depreciation", "format": "currency" }, { "id": "recoveryPeriod", "label": "Recovery period", "format": "text" }, { "id": "scheduleYears", "label": "Tax years in schedule", "format": "integer" } ], "formula": { "expression": "annual depreciation = basis ÷ recovery years, with a half-month allowed in the placed-in-service and disposition months" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "buildingBasis": 500000, "propertyType": "residential", "placedInServiceMonth": 7, "bonusBasisAdjustment": 0 } } ], "sources": [] }, { "id": "property-tax-calculator", "version": "1.0.0", "name": "Property Tax Calculator", "shortName": "Property Tax", "description": "Estimate annual and periodic property tax from assessed value, exemptions, and either a percent rate or millage rate.", "category": "Finance", "categorySlug": "finance", "keywords": [ "property", "tax", "calculator", "property tax calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/property-tax-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This is an estimate, not an official tax bill. Verify current assessments, rates, and exemptions with the local taxing authority.", "urls": { "page": "/calculator/property-tax-calculator/", "definition": "/calculator/property-tax-calculator/definition.json", "schema": "/calculator/property-tax-calculator/schema.json", "llms": "/calculator/property-tax-calculator/llms.txt", "legacyDefinition": "/calculator/property-tax-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/property-tax-calculator/?assessedValue=450000&exemptions=50000&rateType=percent&taxRate=1.25", "queryParameters": { "assessedValue": { "label": "Assessed property value", "type": "money", "required": true, "default": 450000 }, "exemptions": { "label": "Taxable-value exemptions", "type": "money", "required": true, "default": 50000 }, "rateType": { "label": "Tax-rate format", "type": "select", "required": true, "default": "percent" }, "taxRate": { "label": "Tax rate", "type": "number", "required": true, "default": 1.25 } }, "inputs": [ { "id": "assessedValue", "label": "Assessed property value", "type": "money", "required": true, "defaultValue": 450000, "min": 0, "step": 1000 }, { "id": "exemptions", "label": "Taxable-value exemptions", "type": "money", "required": true, "defaultValue": 50000, "min": 0, "step": 1000 }, { "id": "rateType", "label": "Tax-rate format", "type": "select", "required": true, "defaultValue": "percent", "options": [ { "label": "Percent of taxable value", "value": "percent" }, { "label": "Mills per $1,000", "value": "mills" } ] }, { "id": "taxRate", "label": "Tax rate", "type": "number", "required": true, "defaultValue": 1.25, "min": 0, "max": 1000, "step": 0.001 } ], "outputs": [ { "id": "annualPropertyTax", "label": "Estimated annual property tax", "format": "currency", "primary": true }, { "id": "monthlyEquivalent", "label": "Monthly equivalent", "format": "currency" }, { "id": "quarterlyEquivalent", "label": "Quarterly equivalent", "format": "currency" }, { "id": "taxableAssessedValue", "label": "Taxable assessed value", "format": "currency" }, { "id": "effectiveRate", "label": "Effective rate on assessed value", "format": "percent", "digits": 6 } ], "formula": { "expression": "taxable value = max(assessed value − exemptions, 0); tax = taxable value × rate" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "assessedValue": 450000, "exemptions": 50000, "rateType": "percent", "taxRate": 1.25 } } ], "sources": [] }, { "id": "real-estate-calculator", "version": "7.0.0", "name": "Real Estate Calculator", "shortName": "Real Estate", "description": "Analyze a rental property investment. Calculate Cash Flow, Cap Rate, and Cash-on-Cash Return.", "category": "Finance", "categorySlug": "finance", "keywords": [ "real", "estate" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/real-estate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Screening estimate only. Verify taxes, insurance, vacancy, repairs, financing terms, and local rules before investing.", "urls": { "page": "/calculator/real-estate-calculator/", "definition": "/calculator/real-estate-calculator/definition.json", "schema": "/calculator/real-estate-calculator/schema.json", "llms": "/calculator/real-estate-calculator/llms.txt", "legacyDefinition": "/calculator/real-estate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/real-estate-calculator/?price=300000&downPayment=60000&closingCosts=9000&rate=6.5&rent=2500&expenses=1000&term=30", "queryParameters": { "price": { "label": "Purchase Price", "type": "number", "required": false, "default": 300000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 60000 }, "closingCosts": { "label": "Closing Costs / Rehab", "type": "number", "required": false, "default": 9000 }, "rate": { "label": "Loan Interest Rate", "type": "number", "required": false, "default": 6.5 }, "rent": { "label": "Monthly Rent Income", "type": "number", "required": false, "default": 2500 }, "expenses": { "label": "Monthly Expenses", "type": "number", "required": false, "default": 1000 }, "term": { "label": "Loan term (years)", "type": "number", "required": false, "default": 30 } }, "inputs": [ { "id": "price", "label": "Purchase Price", "type": "number", "defaultValue": 300000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 60000 }, { "id": "closingCosts", "label": "Closing Costs / Rehab", "type": "number", "defaultValue": 9000 }, { "id": "rate", "label": "Loan Interest Rate", "type": "number", "defaultValue": 6.5 }, { "id": "rent", "label": "Monthly Rent Income", "type": "number", "defaultValue": 2500 }, { "id": "expenses", "label": "Monthly Expenses", "type": "number", "defaultValue": 1000 }, { "id": "term", "label": "Loan term (years)", "type": "number", "defaultValue": 30, "min": 0.0833333333 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "NOI = 12 × (monthly rent − monthly operating expenses); cap rate = NOI ÷ purchase price; cash flow = NOI − annual debt service; cash-on-cash return = annual cash flow ÷ (down payment + closing costs)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "price": 300000, "downPayment": 60000, "closingCosts": 9000, "rate": 6.5, "rent": 2500, "expenses": 1000, "term": 30 } } ], "sources": [] }, { "id": "refinance-calculator", "version": "7.0.0", "name": "Refinance Calculator", "shortName": "Refinance", "description": "Determine if refinancing your mortgage or loan makes financial sense.", "category": "Finance", "categorySlug": "finance", "keywords": [ "refinance" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/refinance-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/refinance-calculator/", "definition": "/calculator/refinance-calculator/definition.json", "schema": "/calculator/refinance-calculator/schema.json", "llms": "/calculator/refinance-calculator/llms.txt", "legacyDefinition": "/calculator/refinance-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/refinance-calculator/?loanAmount=200000¤tRate=6.5¤tTerm=30&yearsPaid=5&newRate=5&newTerm=25&closingCosts=4000", "queryParameters": { "loanAmount": { "label": "Remaining Balance", "type": "number", "required": false, "default": 200000 }, "currentRate": { "label": "Current Interest Rate", "type": "number", "required": false, "default": 6.5 }, "currentTerm": { "label": "Original Term (Yrs)", "type": "number", "required": false, "default": 30 }, "yearsPaid": { "label": "Years Paid", "type": "number", "required": false, "default": 5 }, "newRate": { "label": "New Interest Rate", "type": "number", "required": false, "default": 5 }, "newTerm": { "label": "New Term (Years)", "type": "number", "required": false, "default": 25 }, "closingCosts": { "label": "Closing Costs", "type": "number", "required": false, "default": 4000 } }, "inputs": [ { "id": "loanAmount", "label": "Remaining Balance", "type": "number", "defaultValue": 200000 }, { "id": "currentRate", "label": "Current Interest Rate", "type": "number", "defaultValue": 6.5 }, { "id": "currentTerm", "label": "Original Term (Yrs)", "type": "number", "defaultValue": 30 }, { "id": "yearsPaid", "label": "Years Paid", "type": "number", "defaultValue": 5 }, { "id": "newRate", "label": "New Interest Rate", "type": "number", "defaultValue": 5 }, { "id": "newTerm", "label": "New Term (Years)", "type": "number", "defaultValue": 25 }, { "id": "closingCosts", "label": "Closing Costs", "type": "number", "defaultValue": 4000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Current and new loan payments use the installment formula; monthly savings = old payment − new payment and break-even months = closing costs ÷ monthly savings." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "loanAmount": 200000, "currentRate": 6.5, "currentTerm": 30, "yearsPaid": 5, "newRate": 5, "newTerm": 25, "closingCosts": 4000 } } ], "sources": [] }, { "id": "rent-calculator", "version": "7.0.0", "name": "Rent Calculator", "shortName": "Rent", "description": "Determine how much rent you can afford based on your annual income.", "category": "Finance", "categorySlug": "finance", "keywords": [ "rent" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rent-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/rent-calculator/", "definition": "/calculator/rent-calculator/definition.json", "schema": "/calculator/rent-calculator/schema.json", "llms": "/calculator/rent-calculator/llms.txt", "legacyDefinition": "/calculator/rent-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rent-calculator/?income=60000&rule=30", "queryParameters": { "income": { "label": "Annual Gross Income ($)", "type": "number", "required": false, "default": 60000 }, "rule": { "label": "Rule", "type": "text", "required": false, "default": "30" } }, "inputs": [ { "id": "income", "label": "Annual Gross Income ($)", "type": "number", "defaultValue": 60000 }, { "id": "rule", "label": "Rule", "type": "text", "defaultValue": "30" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Maximum monthly rent = annual gross income ÷ 12 × selected housing percentage." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "income": 60000, "rule": "30" } } ], "sources": [] }, { "id": "rent-vs-buy-calculator", "version": "8.0.0", "name": "Rent vs. Buy Calculator", "shortName": "Rent vs. Buy", "description": "Compare the financial impact of buying a home versus renting over a specific period.", "category": "Finance", "categorySlug": "finance", "keywords": [ "rent", "vs", "buy" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rent-vs-buy-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "8.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Conditional scenarios, not a recommendation. Enter property tax, insurance and HOA; zero defaults do not imply these costs are absent.", "urls": { "page": "/calculator/rent-vs-buy-calculator/", "definition": "/calculator/rent-vs-buy-calculator/definition.json", "schema": "/calculator/rent-vs-buy-calculator/schema.json", "llms": "/calculator/rent-vs-buy-calculator/llms.txt", "legacyDefinition": "/calculator/rent-vs-buy-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rent-vs-buy-calculator/?homePrice=400000&downPayment=20&interestRate=6.5&term=30&buyingCosts=3&sellingCosts=6&homeAppreciation=3&maintenance=1&propertyTax=0&insurance=0&hoa=0&extraPayment=0&monthlyRent=2500&rentIncrease=3&investmentReturn=7&years=7", "queryParameters": { "homePrice": { "label": "Home price", "type": "money", "required": true, "default": 400000 }, "downPayment": { "label": "Down payment (%)", "type": "percent", "required": true, "default": 20 }, "interestRate": { "label": "Mortgage annual rate (%)", "type": "percent", "required": true, "default": 6.5 }, "term": { "label": "Mortgage term (whole years)", "type": "number", "required": true, "default": 30 }, "buyingCosts": { "label": "Buying costs (% of price)", "type": "percent", "required": true, "default": 3 }, "sellingCosts": { "label": "Selling costs (% of sale value)", "type": "percent", "required": true, "default": 6 }, "homeAppreciation": { "label": "Annual home appreciation (%)", "type": "percent", "required": true, "default": 3 }, "maintenance": { "label": "Annual maintenance (% of current value)", "type": "percent", "required": true, "default": 1 }, "propertyTax": { "label": "Annual property tax ($)", "type": "money", "required": true, "default": 0 }, "insurance": { "label": "Annual home insurance ($)", "type": "money", "required": true, "default": 0 }, "hoa": { "label": "Monthly HOA ($)", "type": "money", "required": true, "default": 0 }, "extraPayment": { "label": "Extra monthly principal ($)", "type": "money", "required": true, "default": 0 }, "monthlyRent": { "label": "Initial monthly rent ($)", "type": "money", "required": true, "default": 2500 }, "rentIncrease": { "label": "Annual rent increase (%)", "type": "percent", "required": true, "default": 3 }, "investmentReturn": { "label": "Annual effective investment return (%)", "type": "percent", "required": true, "default": 7 }, "years": { "label": "Comparison horizon (whole years)", "type": "number", "required": true, "default": 7 } }, "inputs": [ { "id": "homePrice", "label": "Home price", "type": "money", "required": true, "defaultValue": 400000, "step": 0.01, "width": "half" }, { "id": "downPayment", "label": "Down payment (%)", "type": "percent", "required": true, "defaultValue": 20, "step": 0.01, "width": "half" }, { "id": "interestRate", "label": "Mortgage annual rate (%)", "type": "percent", "required": true, "defaultValue": 6.5, "step": 0.01, "width": "half" }, { "id": "term", "label": "Mortgage term (whole years)", "type": "number", "required": true, "defaultValue": 30, "step": 1, "width": "half" }, { "id": "buyingCosts", "label": "Buying costs (% of price)", "type": "percent", "required": true, "defaultValue": 3, "step": 0.01, "width": "half" }, { "id": "sellingCosts", "label": "Selling costs (% of sale value)", "type": "percent", "required": true, "defaultValue": 6, "step": 0.01, "width": "half" }, { "id": "homeAppreciation", "label": "Annual home appreciation (%)", "type": "percent", "required": true, "defaultValue": 3, "step": 0.01, "width": "half" }, { "id": "maintenance", "label": "Annual maintenance (% of current value)", "type": "percent", "required": true, "defaultValue": 1, "step": 0.01, "width": "half" }, { "id": "propertyTax", "label": "Annual property tax ($)", "type": "money", "required": true, "defaultValue": 0, "step": 0.01, "width": "half" }, { "id": "insurance", "label": "Annual home insurance ($)", "type": "money", "required": true, "defaultValue": 0, "step": 0.01, "width": "half" }, { "id": "hoa", "label": "Monthly HOA ($)", "type": "money", "required": true, "defaultValue": 0, "step": 0.01, "width": "half" }, { "id": "extraPayment", "label": "Extra monthly principal ($)", "type": "money", "required": true, "defaultValue": 0, "step": 0.01, "width": "half" }, { "id": "monthlyRent", "label": "Initial monthly rent ($)", "type": "money", "required": true, "defaultValue": 2500, "step": 0.01, "width": "half" }, { "id": "rentIncrease", "label": "Annual rent increase (%)", "type": "percent", "required": true, "defaultValue": 3, "step": 0.01, "width": "half" }, { "id": "investmentReturn", "label": "Annual effective investment return (%)", "type": "percent", "required": true, "defaultValue": 7, "step": 0.01, "width": "half" }, { "id": "years", "label": "Comparison horizon (whole years)", "type": "number", "required": true, "defaultValue": 7, "step": 1, "width": "half" } ], "outputs": [ { "id": "result", "label": "Conditional comparison", "format": "text", "primary": true }, { "id": "ownerWealth", "label": "ownerWealth", "format": "currency" }, { "id": "renterWealth", "label": "renterWealth", "format": "currency" }, { "id": "difference", "label": "difference", "format": "currency" }, { "id": "loanBalance", "label": "loanBalance", "format": "currency" }, { "id": "scheduledPayment", "label": "scheduledPayment", "format": "currency" }, { "id": "equity", "label": "equity", "format": "currency" }, { "id": "totalInterest", "label": "totalInterest", "format": "currency" }, { "id": "totalBuyOutflow", "label": "totalBuyOutflow", "format": "currency" }, { "id": "totalRentOutflow", "label": "totalRentOutflow", "format": "currency" }, { "id": "ownerInvestment", "label": "ownerInvestment", "format": "currency" }, { "id": "renterInvestment", "label": "renterInvestment", "format": "currency" }, { "id": "payoffMonth", "label": "Payoff month", "format": "text" } ], "formula": { "expression": "Monthly: loan interest = balance × APR/1200; cap the last payment at principal plus interest. Invest the monthly cash-flow difference in the cheaper option. Owner terminal wealth = sale proceeds − remaining loan + owner investments. Renter terminal wealth = renter investments.", "note": "Fixed tax, insurance and HOA amounts; annual-effective growth rates; month-end deposits; sale at horizon. Taxes on investments, mortgage insurance and personal preferences excluded." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "homePrice": 400000, "downPayment": 20, "interestRate": 6.5, "term": 30, "buyingCosts": 3, "sellingCosts": 6, "homeAppreciation": 3, "maintenance": 1, "propertyTax": 0, "insurance": 0, "hoa": 0, "extraPayment": 0, "monthlyRent": 2500, "rentIncrease": 3, "investmentReturn": 7, "years": 7 } } ], "sources": [ { "label": "CFPB: principal, interest and total monthly housing payment", "url": "https://www.consumerfinance.gov/ask-cfpb/on-a-mortgage-whats-the-difference-between-my-principal-and-interest-payment-and-my-total-monthly-payment-en-1941/" }, { "label": "Investor.gov: compound-interest calculator and assumptions", "url": "https://www.investor.gov/financial-tools-calculators/calculators/compound-interest-calculator" } ] }, { "id": "rental-property-calculator", "version": "7.0.0", "name": "Rental Property Calculator", "shortName": "Rental Property", "description": "Analyze the profitability of a rental property including Net Operating Income (NOI) and Cash Flow.", "category": "Finance", "categorySlug": "finance", "keywords": [ "rental", "property" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rental-property-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/rental-property-calculator/", "definition": "/calculator/rental-property-calculator/definition.json", "schema": "/calculator/rental-property-calculator/schema.json", "llms": "/calculator/rental-property-calculator/llms.txt", "legacyDefinition": "/calculator/rental-property-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rental-property-calculator/?purchasePrice=250000&rent=2200&vacancyRate=5&expenses=800&mortgage=1100&downPayment=50000&closingCosts=7500", "queryParameters": { "purchasePrice": { "label": "Purchase Price", "type": "number", "required": false, "default": 250000 }, "rent": { "label": "Monthly Rent", "type": "number", "required": false, "default": 2200 }, "vacancyRate": { "label": "Vacancy Rate", "type": "number", "required": false, "default": 5 }, "expenses": { "label": "Monthly Expenses", "type": "number", "required": false, "default": 800 }, "mortgage": { "label": "Monthly Mortgage", "type": "number", "required": false, "default": 1100 }, "downPayment": { "label": "Down payment", "type": "money", "required": false, "default": 50000 }, "closingCosts": { "label": "Closing and initial costs", "type": "money", "required": false, "default": 7500 } }, "inputs": [ { "id": "purchasePrice", "label": "Purchase Price", "type": "number", "defaultValue": 250000 }, { "id": "rent", "label": "Monthly Rent", "type": "number", "defaultValue": 2200 }, { "id": "vacancyRate", "label": "Vacancy Rate", "type": "number", "defaultValue": 5 }, { "id": "expenses", "label": "Monthly Expenses", "type": "number", "defaultValue": 800 }, { "id": "mortgage", "label": "Monthly Mortgage", "type": "number", "defaultValue": 1100 }, { "id": "downPayment", "label": "Down payment", "type": "money", "defaultValue": 50000, "min": 0 }, { "id": "closingCosts", "label": "Closing and initial costs", "type": "money", "defaultValue": 7500, "min": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Effective gross income = scheduled rent × 12 × (1 − vacancy); NOI = effective income − operating expenses; cash flow = NOI − debt service; cap rate = NOI ÷ price." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "purchasePrice": 250000, "rent": 2200, "vacancyRate": 5, "expenses": 800, "mortgage": 1100, "downPayment": 50000, "closingCosts": 7500 } } ], "sources": [] }, { "id": "repayment-calculator", "version": "7.0.0", "name": "Repayment Calculator", "shortName": "Repayment", "description": "Calculate loan repayment schedules and see how much time and interest you can save by making extra monthly payments.", "category": "Finance", "categorySlug": "finance", "keywords": [ "repayment" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/repayment-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/repayment-calculator/", "definition": "/calculator/repayment-calculator/definition.json", "schema": "/calculator/repayment-calculator/schema.json", "llms": "/calculator/repayment-calculator/llms.txt", "legacyDefinition": "/calculator/repayment-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/repayment-calculator/?amount=20000&rate=6&term=5&extraPayment=0", "queryParameters": { "amount": { "label": "Loan Amount", "type": "number", "required": false, "default": 20000 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6 }, "term": { "label": "Original Term (Years)", "type": "number", "required": false, "default": 5 }, "extraPayment": { "label": "Extra Monthly Payment", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "amount", "label": "Loan Amount", "type": "number", "defaultValue": 20000 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 6 }, { "id": "term", "label": "Original Term (Years)", "type": "number", "defaultValue": 5 }, { "id": "extraPayment", "label": "Extra Monthly Payment", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Monthly payment = P·r·(1+r)^n ÷ ((1+r)^n−1); total repayment and interest follow from payment × number of months." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 20000, "rate": 6, "term": 5, "extraPayment": 0 } } ], "sources": [] }, { "id": "retirement-calculator", "version": "20.1.0", "name": "Retirement Calculator", "shortName": "Retirement", "description": "Project retirement savings and compare them with an optional income target.", "category": "Finance", "categorySlug": "finance", "keywords": [ "retirement savings", "nest egg", "monthly contribution", "withdrawal rate" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/retirement-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Planning estimate only. Investment returns are not guaranteed.", "urls": { "page": "/calculator/retirement-calculator/", "definition": "/calculator/retirement-calculator/definition.json", "schema": "/calculator/retirement-calculator/schema.json", "llms": "/calculator/retirement-calculator/llms.txt", "legacyDefinition": "/calculator/retirement-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/retirement-calculator/?currentAge=35&retirementAge=65¤tSavings=50000&monthlyContribution=800&annualReturn=7&withdrawalRate=4", "queryParameters": { "currentAge": { "label": "Current age", "type": "number", "required": true, "default": 35 }, "retirementAge": { "label": "Retirement age", "type": "number", "required": true, "default": 65 }, "currentSavings": { "label": "Current retirement savings", "type": "money", "required": true, "default": 50000 }, "monthlyContribution": { "label": "Monthly contribution", "type": "money", "required": true, "default": 800 }, "annualReturn": { "label": "Annual return", "type": "percent", "required": true, "default": 7 }, "targetAnnualIncome": { "label": "Target annual retirement income", "type": "money", "required": false }, "withdrawalRate": { "label": "Withdrawal rate", "type": "percent", "required": true, "default": 4 } }, "inputs": [ { "id": "currentAge", "label": "Current age", "type": "number", "required": true, "defaultValue": 35, "min": 18, "max": 100, "step": 1, "width": "half" }, { "id": "retirementAge", "label": "Retirement age", "type": "number", "required": true, "defaultValue": 65, "min": 19, "max": 100, "step": 1, "width": "half" }, { "id": "currentSavings", "label": "Current retirement savings", "type": "money", "required": true, "defaultValue": 50000, "min": 0, "step": 1000, "width": "half" }, { "id": "monthlyContribution", "label": "Monthly contribution", "type": "money", "required": true, "defaultValue": 800, "min": 0, "step": 50, "width": "half" }, { "id": "annualReturn", "label": "Annual return", "type": "percent", "required": true, "defaultValue": 7, "min": 0, "max": 30, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "targetAnnualIncome", "label": "Target annual retirement income", "type": "money", "min": 0, "step": 1000, "help": "Optional", "width": "half" }, { "id": "withdrawalRate", "label": "Withdrawal rate", "type": "percent", "required": true, "defaultValue": 4, "min": 0.1, "max": 20, "step": 0.1, "width": "full" } ], "outputs": [ { "id": "projectedSavings", "label": "Projected retirement savings", "format": "currency", "primary": true }, { "id": "totalContributions", "label": "Total contributions", "format": "currency" }, { "id": "investmentGrowth", "label": "Investment growth", "format": "currency" }, { "id": "targetNestEgg", "label": "Target nest egg", "format": "currency" }, { "id": "surplusGap", "label": "Surplus or gap", "format": "currency" } ], "formula": { "expression": "Balanceₙ = balanceₙ₋₁ × (1 + annual return/12) + monthly contribution", "note": "The optional target nest egg equals annual income divided by the withdrawal rate." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "currentAge": 35, "retirementAge": 65, "currentSavings": 50000, "monthlyContribution": 800, "annualReturn": 7, "withdrawalRate": 4 } } ], "sources": [ { "label": "Investor.gov: compound-interest calculator and assumptions", "url": "https://www.investor.gov/financial-tools-calculators/calculators/compound-interest-calculator" } ] }, { "id": "reverse-sales-tax-calculator", "version": "1.0.0", "name": "Reverse Sales Tax Calculator", "shortName": "Reverse Sales Tax", "description": "Calculate the pre-tax price and tax amount when the total price including sales tax is known.", "category": "Finance", "categorySlug": "finance", "keywords": [ "reverse", "sales", "tax", "calculator", "reverse sales tax calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/reverse-sales-tax-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/reverse-sales-tax-calculator/", "definition": "/calculator/reverse-sales-tax-calculator/definition.json", "schema": "/calculator/reverse-sales-tax-calculator/schema.json", "llms": "/calculator/reverse-sales-tax-calculator/llms.txt", "legacyDefinition": "/calculator/reverse-sales-tax-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/reverse-sales-tax-calculator/?totalWithTax=106.25&salesTaxRate=6.25", "queryParameters": { "totalWithTax": { "label": "Total price including tax", "type": "money", "required": true, "default": 106.25 }, "salesTaxRate": { "label": "Sales tax rate", "type": "percent", "required": true, "default": 6.25 } }, "inputs": [ { "id": "totalWithTax", "label": "Total price including tax", "type": "money", "required": true, "defaultValue": 106.25, "min": 0, "step": 0.01 }, { "id": "salesTaxRate", "label": "Sales tax rate", "type": "percent", "required": true, "defaultValue": 6.25, "min": 0, "max": 1000, "step": 0.001 } ], "outputs": [ { "id": "preTaxPrice", "label": "Price before tax", "format": "currency", "primary": true }, { "id": "salesTaxAmount", "label": "Sales tax amount", "format": "currency" }, { "id": "taxShareOfTotal", "label": "Tax as % of total", "format": "percent", "digits": 8 }, { "id": "verificationTotal", "label": "Recomputed total", "format": "currency" } ], "formula": { "expression": "pre-tax price = total ÷ (1 + tax rate); tax = total − pre-tax price" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "totalWithTax": 106.25, "salesTaxRate": 6.25 } } ], "sources": [] }, { "id": "rmd-calculator", "version": "7.0.0", "name": "RMD Calculator", "shortName": "RMD", "description": "Estimate a required minimum distribution using the IRS Uniform Lifetime Table.", "category": "Finance", "categorySlug": "finance", "keywords": [ "rmd" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rmd-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "RMD rules depend on account type, owner status, beneficiary status, and law.", "urls": { "page": "/calculator/rmd-calculator/", "definition": "/calculator/rmd-calculator/definition.json", "schema": "/calculator/rmd-calculator/schema.json", "llms": "/calculator/rmd-calculator/llms.txt", "legacyDefinition": "/calculator/rmd-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rmd-calculator/?age=73&balance=500000", "queryParameters": { "age": { "label": "Your Age", "type": "number", "required": false, "default": 73 }, "balance": { "label": "Account Balance (Dec 31 last year)", "type": "number", "required": false, "default": 500000 } }, "inputs": [ { "id": "age", "label": "Your Age", "type": "number", "defaultValue": 73, "min": 73, "step": 1, "help": "Most account owners beginning RMDs under current rules start at age 73; special cases differ." }, { "id": "balance", "label": "Account Balance (Dec 31 last year)", "type": "number", "defaultValue": 500000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Required minimum distribution = prior year-end balance ÷ IRS Uniform Lifetime Table distribution period for the entered age.", "note": "Uses the Uniform Lifetime Table. Different tables can apply when a spouse is more than 10 years younger or for inherited accounts." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 73, "balance": 500000 } } ], "sources": [ { "label": "IRS Publication 590-B", "url": "https://www.irs.gov/publications/p590b" } ] }, { "id": "roi-calculator", "version": "1.0.0", "name": "ROI Calculator", "shortName": "ROI", "description": "Calculate profit, total return, return multiple, and optional annualized return.", "category": "Finance", "categorySlug": "finance", "keywords": [ "return on investment", "investment profit", "annualized return", "multiple" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/roi-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/roi-calculator/", "definition": "/calculator/roi-calculator/definition.json", "schema": "/calculator/roi-calculator/schema.json", "llms": "/calculator/roi-calculator/llms.txt", "legacyDefinition": "/calculator/roi-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/roi-calculator/?invested=5000&finalValue=7500", "queryParameters": { "invested": { "label": "Amount invested", "type": "money", "required": true, "default": 5000 }, "finalValue": { "label": "Final value", "type": "money", "required": true, "default": 7500 }, "income": { "label": "Income received", "type": "money", "required": false }, "costs": { "label": "Extra costs", "type": "money", "required": false }, "years": { "label": "Holding period in years", "type": "number", "required": false } }, "inputs": [ { "id": "invested", "label": "Amount invested", "type": "money", "required": true, "defaultValue": 5000, "min": 0.01, "step": 100, "width": "half" }, { "id": "finalValue", "label": "Final value", "type": "money", "required": true, "defaultValue": 7500, "min": 0, "step": 100, "width": "half" }, { "id": "income", "label": "Income received", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" }, { "id": "costs", "label": "Extra costs", "type": "money", "min": 0, "step": 10, "help": "Optional", "width": "half" }, { "id": "years", "label": "Holding period in years", "type": "number", "min": 0.01, "max": 100, "step": 0.1, "help": "Optional; needed for annualized ROI", "width": "full" } ], "outputs": [ { "id": "roi", "label": "Return on investment", "format": "percent", "primary": true }, { "id": "profit", "label": "Net profit", "format": "currency" }, { "id": "multiple", "label": "Return multiple", "format": "number", "suffix": "×" }, { "id": "annualized", "label": "Annualized return", "format": "percent" } ], "formula": { "expression": "ROI = (Ending value + income − investment − costs) ÷ (investment + costs) × 100", "note": "Annualized return uses geometric growth and needs a holding period." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "invested": 5000, "finalValue": 7500 } } ], "sources": [] }, { "id": "roth-ira-calculator", "version": "7.0.0", "name": "Roth IRA Calculator", "shortName": "Roth IRA", "description": "Project the growth of your Roth IRA and see how much tax-free income you could have in retirement.", "category": "Finance", "categorySlug": "finance", "keywords": [ "roth", "ira" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/roth-ira-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/roth-ira-calculator/", "definition": "/calculator/roth-ira-calculator/definition.json", "schema": "/calculator/roth-ira-calculator/schema.json", "llms": "/calculator/roth-ira-calculator/llms.txt", "legacyDefinition": "/calculator/roth-ira-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/roth-ira-calculator/?currentAge=30&retireAge=65&balance=10000&annualContribution=7500&returnRate=7", "queryParameters": { "currentAge": { "label": "Current Age", "type": "number", "required": false, "default": 30 }, "retireAge": { "label": "Retirement Age", "type": "number", "required": false, "default": 65 }, "balance": { "label": "Current Balance", "type": "number", "required": false, "default": 10000 }, "annualContribution": { "label": "Annual Contribution", "type": "number", "required": false, "default": 7500 }, "returnRate": { "label": "Expected Annual Return", "type": "number", "required": false, "default": 7 } }, "inputs": [ { "id": "currentAge", "label": "Current Age", "type": "number", "defaultValue": 30 }, { "id": "retireAge", "label": "Retirement Age", "type": "number", "defaultValue": 65 }, { "id": "balance", "label": "Current Balance", "type": "number", "defaultValue": 10000 }, { "id": "annualContribution", "label": "Annual Contribution", "type": "number", "defaultValue": 7500, "help": "Default uses the 2026 IRA contribution limit before any age-based catch-up amount or income restriction." }, { "id": "returnRate", "label": "Expected Annual Return", "type": "number", "defaultValue": 7 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Each year: balance = balance × (1 + annual return) + annual contribution; growth = ending balance − starting balance − contributions." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "currentAge": 30, "retireAge": 65, "balance": 10000, "annualContribution": 7500, "returnRate": 7 } } ], "sources": [ { "label": "IRS 2026 retirement-plan limits", "url": "https://www.irs.gov/newsroom/401k-limit-increases-to-24500-for-2026-ira-limit-increases-to-7500" } ] }, { "id": "rule-of-72-calculator", "version": "1.0.0", "name": "Rule of 72 Calculator", "shortName": "Rule of 72", "description": "Estimate doubling time and compare it with the exact compound-growth result.", "category": "Finance", "categorySlug": "finance", "keywords": [ "doubling time", "rule 72", "investment rate", "compound growth" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rule-of-72-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/rule-of-72-calculator/", "definition": "/calculator/rule-of-72-calculator/definition.json", "schema": "/calculator/rule-of-72-calculator/schema.json", "llms": "/calculator/rule-of-72-calculator/llms.txt", "legacyDefinition": "/calculator/rule-of-72-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rule-of-72-calculator/?annualRate=8", "queryParameters": { "annualRate": { "label": "Annual growth rate", "type": "percent", "required": true, "default": 8 } }, "inputs": [ { "id": "annualRate", "label": "Annual growth rate", "type": "percent", "required": true, "defaultValue": 8, "min": 0.01, "max": 100, "step": 0.1, "control": "slider-number", "width": "full" } ], "outputs": [ { "id": "ruleOf72Years", "label": "Rule of 72 doubling time", "format": "number", "digits": 2, "suffix": " years", "primary": true }, { "id": "exactYears", "label": "Exact doubling time", "format": "number", "digits": 2, "suffix": " years" }, { "id": "difference", "label": "Approximation difference", "format": "number", "digits": 2, "suffix": " years" } ], "formula": { "expression": "Estimated doubling years = 72 ÷ annual rate", "note": "The exact result is ln(2) ÷ ln(1 + rate)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "annualRate": 8 } } ], "sources": [] }, { "id": "salary-calculator", "version": "7.0.0", "name": "Salary Calculator", "shortName": "Salary", "description": "Convert your salary between hourly, daily, weekly, monthly, and annual amounts.", "category": "Finance", "categorySlug": "finance", "keywords": [ "salary" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/salary-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/salary-calculator/", "definition": "/calculator/salary-calculator/definition.json", "schema": "/calculator/salary-calculator/schema.json", "llms": "/calculator/salary-calculator/llms.txt", "legacyDefinition": "/calculator/salary-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/salary-calculator/?amount=50000&hoursPerWeek=40&daysPerWeek=5&frequency=annually", "queryParameters": { "amount": { "label": "Amount ($)", "type": "number", "required": false, "default": 50000 }, "hoursPerWeek": { "label": "Hours per Week", "type": "number", "required": false, "default": 40 }, "daysPerWeek": { "label": "Days per Week", "type": "number", "required": false, "default": 5 }, "frequency": { "label": "Frequency", "type": "text", "required": false, "default": "annually" } }, "inputs": [ { "id": "amount", "label": "Amount ($)", "type": "number", "defaultValue": 50000 }, { "id": "hoursPerWeek", "label": "Hours per Week", "type": "number", "defaultValue": 40 }, { "id": "daysPerWeek", "label": "Days per Week", "type": "number", "defaultValue": 5 }, { "id": "frequency", "label": "Frequency", "type": "text", "defaultValue": "annually" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The entered pay is converted to annual, monthly, weekly, daily, and hourly amounts using the selected pay period, workdays, work hours, and 52 weeks per year." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 50000, "hoursPerWeek": 40, "daysPerWeek": 5, "frequency": "annually" } } ], "sources": [] }, { "id": "sales-tax-calculator", "version": "1.0.0", "name": "Sales Tax Calculator", "shortName": "Sales tax", "description": "Calculate subtotal, sales tax, and total for one or more items.", "category": "Finance", "categorySlug": "finance", "keywords": [ "sales tax", "checkout total", "tax rate", "subtotal" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/sales-tax-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/sales-tax-calculator/", "definition": "/calculator/sales-tax-calculator/definition.json", "schema": "/calculator/sales-tax-calculator/schema.json", "llms": "/calculator/sales-tax-calculator/llms.txt", "legacyDefinition": "/calculator/sales-tax-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/sales-tax-calculator/?price=100&quantity=1&taxRate=8.25", "queryParameters": { "price": { "label": "Price per item", "type": "money", "required": true, "default": 100 }, "quantity": { "label": "Quantity", "type": "number", "required": true, "default": 1 }, "taxRate": { "label": "Sales tax rate", "type": "percent", "required": true, "default": 8.25 } }, "inputs": [ { "id": "price", "label": "Price per item", "type": "money", "required": true, "defaultValue": 100, "min": 0, "step": 0.01, "width": "half" }, { "id": "quantity", "label": "Quantity", "type": "number", "required": true, "defaultValue": 1, "min": 1, "max": 1000000, "step": 1, "width": "half" }, { "id": "taxRate", "label": "Sales tax rate", "type": "percent", "required": true, "defaultValue": 8.25, "min": 0, "max": 100, "step": 0.01, "control": "slider-number", "width": "full" } ], "outputs": [ { "id": "total", "label": "Total", "format": "currency", "primary": true }, { "id": "subtotal", "label": "Subtotal", "format": "currency" }, { "id": "taxAmount", "label": "Sales tax", "format": "currency" }, { "id": "totalPerItem", "label": "Total per item", "format": "currency" } ], "formula": { "expression": "Tax = price × quantity × tax rate; total = subtotal + tax" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "price": 100, "quantity": 1, "taxRate": 8.25 } } ], "sources": [] }, { "id": "savings-calculator", "version": "20.1.0", "name": "Savings Calculator", "shortName": "Savings", "description": "Estimate savings growth and check an optional savings goal.", "category": "Finance", "categorySlug": "finance", "keywords": [ "savings goal", "bank interest", "monthly deposits", "future balance" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/savings-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/savings-calculator/", "definition": "/calculator/savings-calculator/definition.json", "schema": "/calculator/savings-calculator/schema.json", "llms": "/calculator/savings-calculator/llms.txt", "legacyDefinition": "/calculator/savings-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/savings-calculator/?initial=1000&monthly=200&annualRate=4.5&years=10", "queryParameters": { "initial": { "label": "Current savings", "type": "money", "required": true, "default": 1000 }, "monthly": { "label": "Monthly deposit", "type": "money", "required": false, "default": 200 }, "annualRate": { "label": "Annual interest", "type": "percent", "required": true, "default": 4.5 }, "years": { "label": "Years", "type": "number", "required": true, "default": 10 }, "goal": { "label": "Savings goal", "type": "money", "required": false } }, "inputs": [ { "id": "initial", "label": "Current savings", "type": "money", "required": true, "defaultValue": 1000, "min": 0, "step": 100, "width": "half" }, { "id": "monthly", "label": "Monthly deposit", "type": "money", "defaultValue": 200, "min": 0, "step": 10, "help": "Optional", "width": "half" }, { "id": "annualRate", "label": "Annual interest", "type": "percent", "required": true, "defaultValue": 4.5, "min": 0, "max": 20, "step": 0.05, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Years", "type": "number", "required": true, "defaultValue": 10, "min": 1, "max": 80, "step": 1, "width": "half" }, { "id": "goal", "label": "Savings goal", "type": "money", "min": 1, "step": 100, "help": "Optional", "width": "full" } ], "outputs": [ { "id": "futureBalance", "label": "Future balance", "format": "currency", "primary": true }, { "id": "totalDeposits", "label": "Total deposits", "format": "currency" }, { "id": "interestEarned", "label": "Interest earned", "format": "currency" }, { "id": "goalStatus", "label": "Goal", "format": "text" } ], "formula": { "expression": "Balanceₙ = Balanceₙ₋₁ × (1 + r/12) + monthly deposit", "note": "Deposits are added at the end of each month." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initial": 1000, "monthly": 200, "annualRate": 4.5, "years": 10 } } ], "sources": [ { "label": "Investor.gov: compound-interest calculator and assumptions", "url": "https://www.investor.gov/financial-tools-calculators/calculators/compound-interest-calculator" }, { "label": "Investor.gov: savings-goal calculator", "url": "https://www.investor.gov/financial-tools-calculators/calculators/savings-goal-calculator" } ] }, { "id": "selling-price-calculator", "version": "1.0.0", "name": "Selling Price Calculator", "shortName": "Selling Price", "description": "Calculate the marketplace selling price required for a target dollar profit, profit margin, or markup after fees and costs.", "category": "Finance", "categorySlug": "finance", "keywords": [ "selling", "price", "calculator", "selling price calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/selling-price-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/selling-price-calculator/", "definition": "/calculator/selling-price-calculator/definition.json", "schema": "/calculator/selling-price-calculator/schema.json", "llms": "/calculator/selling-price-calculator/llms.txt", "legacyDefinition": "/calculator/selling-price-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/selling-price-calculator/?itemCost=40&otherVariableCosts=10&fixedMarketplaceFee=0.3&percentMarketplaceFee=13.25&targetType=margin&targetValue=20", "queryParameters": { "itemCost": { "label": "Item cost", "type": "money", "required": true, "default": 40 }, "otherVariableCosts": { "label": "Shipping and other per-sale costs", "type": "money", "required": true, "default": 10 }, "fixedMarketplaceFee": { "label": "Fixed marketplace fee", "type": "money", "required": true, "default": 0.3 }, "percentMarketplaceFee": { "label": "Marketplace fee on selling price", "type": "percent", "required": true, "default": 13.25 }, "targetType": { "label": "Profit target", "type": "select", "required": true, "default": "margin" }, "targetValue": { "label": "Target value", "type": "number", "required": true, "default": 20 } }, "inputs": [ { "id": "itemCost", "label": "Item cost", "type": "money", "required": true, "defaultValue": 40, "min": 0, "step": 0.01 }, { "id": "otherVariableCosts", "label": "Shipping and other per-sale costs", "type": "money", "required": true, "defaultValue": 10, "min": 0, "step": 0.01 }, { "id": "fixedMarketplaceFee", "label": "Fixed marketplace fee", "type": "money", "required": true, "defaultValue": 0.3, "min": 0, "step": 0.01 }, { "id": "percentMarketplaceFee", "label": "Marketplace fee on selling price", "type": "percent", "required": true, "defaultValue": 13.25, "min": 0, "max": 99.99, "step": 0.01 }, { "id": "targetType", "label": "Profit target", "type": "select", "required": true, "defaultValue": "margin", "options": [ { "label": "Profit dollars", "value": "dollars" }, { "label": "Net profit margin on price", "value": "margin" }, { "label": "Markup on item + variable costs", "value": "markup" } ] }, { "id": "targetValue", "label": "Target value", "type": "number", "required": true, "defaultValue": 20, "step": 0.01, "help": "Dollars for profit target; percent for margin or markup." } ], "outputs": [ { "id": "requiredSellingPrice", "label": "Required selling price", "format": "currency", "primary": true }, { "id": "netProfit", "label": "Net profit after entered costs", "format": "currency" }, { "id": "netMargin", "label": "Net profit margin", "format": "percent", "digits": 6 }, { "id": "markup", "label": "Markup on item + variable costs", "format": "percent", "digits": 6 }, { "id": "marketplaceFees", "label": "Marketplace fees", "format": "currency" }, { "id": "breakEvenPrice", "label": "Break-even selling price", "format": "currency" } ], "formula": { "expression": "price − percentage fee − fixed fee − costs = target profit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "itemCost": 40, "otherVariableCosts": 10, "fixedMarketplaceFee": 0.3, "percentMarketplaceFee": 13.25, "targetType": "margin", "targetValue": 20 } } ], "sources": [] }, { "id": "simple-interest-calculator", "version": "1.0.0", "name": "Simple Interest Calculator", "shortName": "Simple interest", "description": "Calculate non-compounding interest, total value, and annual interest.", "category": "Finance", "categorySlug": "finance", "keywords": [ "simple interest", "principal", "annual rate", "non compounding" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/simple-interest-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/simple-interest-calculator/", "definition": "/calculator/simple-interest-calculator/definition.json", "schema": "/calculator/simple-interest-calculator/schema.json", "llms": "/calculator/simple-interest-calculator/llms.txt", "legacyDefinition": "/calculator/simple-interest-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/simple-interest-calculator/?principal=10000&annualRate=5&years=5", "queryParameters": { "principal": { "label": "Principal", "type": "money", "required": true, "default": 10000 }, "annualRate": { "label": "Annual interest rate", "type": "percent", "required": true, "default": 5 }, "years": { "label": "Time", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "principal", "label": "Principal", "type": "money", "required": true, "defaultValue": 10000, "min": 0, "step": 100, "width": "half" }, { "id": "annualRate", "label": "Annual interest rate", "type": "percent", "required": true, "defaultValue": 5, "min": 0, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" }, { "id": "years", "label": "Time", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 100, "step": 0.1, "suffix": " years", "width": "full" } ], "outputs": [ { "id": "totalAmount", "label": "Total amount", "format": "currency", "primary": true }, { "id": "interest", "label": "Total interest", "format": "currency" }, { "id": "annualInterest", "label": "Interest per year", "format": "currency" } ], "formula": { "expression": "Interest = principal × annual rate × years", "note": "The rate is divided by 100. Interest is not added back to the principal." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "principal": 10000, "annualRate": 5, "years": 5 } } ], "sources": [] }, { "id": "social-security-calculator", "version": "7.0.0", "name": "Social Security Calculator", "shortName": "Social Security", "description": "Estimate a 2026 retirement benefit from average indexed annual earnings and claiming age.", "category": "Finance", "categorySlug": "finance", "keywords": [ "social", "security" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/social-security-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Educational benefit estimate; use your official Social Security record for planning.", "urls": { "page": "/calculator/social-security-calculator/", "definition": "/calculator/social-security-calculator/definition.json", "schema": "/calculator/social-security-calculator/schema.json", "llms": "/calculator/social-security-calculator/llms.txt", "legacyDefinition": "/calculator/social-security-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/social-security-calculator/?averageIncome=60000&retireAge=67", "queryParameters": { "averageIncome": { "label": "Average Annual Income ($)", "type": "number", "required": false, "default": 60000 }, "retireAge": { "label": "Retirement Age", "type": "number", "required": false, "default": 67 } }, "inputs": [ { "id": "averageIncome", "label": "Average Annual Income ($)", "type": "number", "defaultValue": 60000 }, { "id": "retireAge", "label": "Retirement Age", "type": "number", "defaultValue": 67, "min": 62, "max": 70, "step": 0.083333 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "AIME = floor(average indexed annual earnings ÷ 12); 2026 PIA = 90% of the first bend-point segment + 32% of the second + 15% above it, adjusted for claiming age.", "note": "The earnings input is treated as average indexed annual earnings; a real SSA benefit uses up to 35 years of indexed earnings." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "averageIncome": 60000, "retireAge": 67 } } ], "sources": [ { "label": "SSA 2026 benefit formula", "url": "https://www.ssa.gov/oact/cola/Benefits.html" } ] }, { "id": "stock-ratios-calculator", "version": "1.0.0", "name": "Stock Ratios Calculator", "shortName": "Stock Ratios", "description": "Calculate per-share valuation, profitability, book-value, sales, and dividend ratios for a stock.", "category": "Finance", "categorySlug": "finance", "keywords": [ "stock", "ratios", "calculator", "stock ratios calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/stock-ratios-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Stock ratios are descriptive measures and are not investment recommendations. Market and company data can change rapidly.", "urls": { "page": "/calculator/stock-ratios-calculator/", "definition": "/calculator/stock-ratios-calculator/definition.json", "schema": "/calculator/stock-ratios-calculator/schema.json", "llms": "/calculator/stock-ratios-calculator/llms.txt", "legacyDefinition": "/calculator/stock-ratios-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/stock-ratios-calculator/?marketPricePerShare=50&netIncome=10000000&preferredDividends=0&commonDividends=2000000&weightedAverageShares=1000000&revenue=80000000&commonEquity=30000000", "queryParameters": { "marketPricePerShare": { "label": "Market price per share", "type": "money", "required": true, "default": 50 }, "netIncome": { "label": "Net income", "type": "money", "required": true, "default": 10000000 }, "preferredDividends": { "label": "Preferred dividends", "type": "money", "required": true, "default": 0 }, "commonDividends": { "label": "Common dividends", "type": "money", "required": true, "default": 2000000 }, "weightedAverageShares": { "label": "Weighted-average common shares", "type": "number", "required": true, "default": 1000000 }, "revenue": { "label": "Revenue", "type": "money", "required": true, "default": 80000000 }, "commonEquity": { "label": "Common shareholders’ equity", "type": "money", "required": true, "default": 30000000 } }, "inputs": [ { "id": "marketPricePerShare", "label": "Market price per share", "type": "money", "required": true, "defaultValue": 50, "min": 0, "step": 0.01 }, { "id": "netIncome", "label": "Net income", "type": "money", "required": true, "defaultValue": 10000000, "step": 1000 }, { "id": "preferredDividends", "label": "Preferred dividends", "type": "money", "required": true, "defaultValue": 0, "min": 0, "step": 1000 }, { "id": "commonDividends", "label": "Common dividends", "type": "money", "required": true, "defaultValue": 2000000, "min": 0, "step": 1000 }, { "id": "weightedAverageShares", "label": "Weighted-average common shares", "type": "number", "required": true, "defaultValue": 1000000, "min": 0.000001, "step": 1 }, { "id": "revenue", "label": "Revenue", "type": "money", "required": true, "defaultValue": 80000000, "step": 1000 }, { "id": "commonEquity", "label": "Common shareholders’ equity", "type": "money", "required": true, "defaultValue": 30000000, "step": 1000 } ], "outputs": [ { "id": "earningsPerShare", "label": "Earnings per share", "format": "currency", "primary": true, "digits": 6 }, { "id": "priceEarningsRatio", "label": "Price/earnings ratio", "format": "number", "digits": 4, "suffix": "×" }, { "id": "salesPerShare", "label": "Sales per share", "format": "currency", "digits": 6 }, { "id": "priceSalesRatio", "label": "Price/sales ratio", "format": "number", "digits": 4, "suffix": "×" }, { "id": "bookValuePerShare", "label": "Book value per share", "format": "currency", "digits": 6 }, { "id": "priceBookRatio", "label": "Price/book ratio", "format": "number", "digits": 4, "suffix": "×" }, { "id": "dividendPerShare", "label": "Dividend per share", "format": "currency", "digits": 6 }, { "id": "dividendYield", "label": "Dividend yield", "format": "percent", "digits": 4 }, { "id": "dividendPayoutRatio", "label": "Dividend payout ratio", "format": "percent", "digits": 4 } ], "formula": { "expression": "EPS = (net income − preferred dividends) ÷ shares; valuation ratios divide market price by per-share fundamentals" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "marketPricePerShare": 50, "netIncome": 10000000, "preferredDividends": 0, "commonDividends": 2000000, "weightedAverageShares": 1000000, "revenue": 80000000, "commonEquity": 30000000 } } ], "sources": [] }, { "id": "student-loan-calculator", "version": "7.0.0", "name": "Student Loan Calculator", "shortName": "Student Loan", "description": "Calculate monthly payments for student loans, including the impact of interest capitalization during deferment periods.", "category": "Finance", "categorySlug": "finance", "keywords": [ "student", "loan" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/student-loan-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/student-loan-calculator/", "definition": "/calculator/student-loan-calculator/definition.json", "schema": "/calculator/student-loan-calculator/schema.json", "llms": "/calculator/student-loan-calculator/llms.txt", "legacyDefinition": "/calculator/student-loan-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/student-loan-calculator/?amount=30000&rate=6.8&term=10&deferment=0", "queryParameters": { "amount": { "label": "Loan Amount", "type": "number", "required": false, "default": 30000 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6.8 }, "term": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 10 }, "deferment": { "label": "Deferment Period (Years)", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "amount", "label": "Loan Amount", "type": "number", "defaultValue": 30000 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 6.8 }, { "id": "term", "label": "Loan Term (Years)", "type": "number", "defaultValue": 10 }, { "id": "deferment", "label": "Deferment Period (Years)", "type": "number", "defaultValue": 0 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Monthly payment uses the installment-loan formula; total paid = payment × months and total interest = total paid − principal." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "amount": 30000, "rate": 6.8, "term": 10, "deferment": 0 } } ], "sources": [] }, { "id": "sum-of-years-digits-depreciation-calculator", "version": "1.0.0", "name": "Sum of Years Digits Depreciation Calculator", "shortName": "Sum of Years Digits Depreciation", "description": "Calculate accelerated depreciation using the sum-of-the-years-digits method and create a full schedule.", "category": "Finance", "categorySlug": "finance", "keywords": [ "sum", "of", "years", "digits", "depreciation", "calculator", "sum of years digits depreciation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/sum-of-years-digits-depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Accounting and tax depreciation rules can differ. This schedule is an educational estimate.", "urls": { "page": "/calculator/sum-of-years-digits-depreciation-calculator/", "definition": "/calculator/sum-of-years-digits-depreciation-calculator/definition.json", "schema": "/calculator/sum-of-years-digits-depreciation-calculator/schema.json", "llms": "/calculator/sum-of-years-digits-depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/sum-of-years-digits-depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/sum-of-years-digits-depreciation-calculator/?cost=50000&salvageValue=5000&usefulLife=8&selectedYear=1", "queryParameters": { "cost": { "label": "Asset cost", "type": "money", "required": true, "default": 50000 }, "salvageValue": { "label": "Salvage value", "type": "money", "required": true, "default": 5000 }, "usefulLife": { "label": "Useful life in years", "type": "number", "required": true, "default": 8 }, "selectedYear": { "label": "Year to inspect", "type": "number", "required": true, "default": 1 } }, "inputs": [ { "id": "cost", "label": "Asset cost", "type": "money", "required": true, "defaultValue": 50000, "min": 0.01, "step": 100 }, { "id": "salvageValue", "label": "Salvage value", "type": "money", "required": true, "defaultValue": 5000, "min": 0, "step": 100 }, { "id": "usefulLife", "label": "Useful life in years", "type": "number", "required": true, "defaultValue": 8, "min": 1, "max": 100, "step": 1 }, { "id": "selectedYear", "label": "Year to inspect", "type": "number", "required": true, "defaultValue": 1, "min": 1, "max": 100, "step": 1 } ], "outputs": [ { "id": "selectedYearDepreciation", "label": "Selected-year depreciation", "format": "currency", "primary": true }, { "id": "sumOfYears", "label": "Sum-of-years denominator", "format": "integer" }, { "id": "totalDepreciation", "label": "Total depreciation", "format": "currency" }, { "id": "endingBookValue", "label": "Ending book value", "format": "currency" } ], "formula": { "expression": "year k depreciation = (cost − salvage) × (life − k + 1) ÷ [life(life+1)/2]" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 50000, "salvageValue": 5000, "usefulLife": 8, "selectedYear": 1 } } ], "sources": [] }, { "id": "take-home-paycheck-calculator", "version": "7.0.0", "name": "Take-Home Paycheck Calculator", "shortName": "Take-Home Paycheck", "description": "Estimate your net pay after federal, state, and FICA taxes.", "category": "Finance", "categorySlug": "finance", "keywords": [ "take", "home", "paycheck" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/take-home-paycheck-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/take-home-paycheck-calculator/", "definition": "/calculator/take-home-paycheck-calculator/definition.json", "schema": "/calculator/take-home-paycheck-calculator/schema.json", "llms": "/calculator/take-home-paycheck-calculator/llms.txt", "legacyDefinition": "/calculator/take-home-paycheck-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/take-home-paycheck-calculator/?salary=75000&hoursPerWeek=40&stateTaxRate=5&payPeriod=annual&filingStatus=single", "queryParameters": { "salary": { "label": "Gross Income", "type": "number", "required": false, "default": 75000 }, "hoursPerWeek": { "label": "Hours Per Week", "type": "number", "required": false, "default": 40 }, "stateTaxRate": { "label": "State Tax Rate (Est.)", "type": "number", "required": false, "default": 5 }, "payPeriod": { "label": "Pay Period", "type": "text", "required": false, "default": "annual" }, "filingStatus": { "label": "Filing Status", "type": "text", "required": false, "default": "single" } }, "inputs": [ { "id": "salary", "label": "Gross Income", "type": "number", "defaultValue": 75000 }, { "id": "hoursPerWeek", "label": "Hours Per Week", "type": "number", "defaultValue": 40 }, { "id": "stateTaxRate", "label": "State Tax Rate (Est.)", "type": "number", "defaultValue": 5 }, { "id": "payPeriod", "label": "Pay Period", "type": "text", "defaultValue": "annual" }, { "id": "filingStatus", "label": "Filing Status", "type": "text", "defaultValue": "single" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Take-home pay = gross pay − 2026 federal income tax − Social Security − Medicare − entered state-tax estimate, converted to the selected pay period." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "salary": 75000, "hoursPerWeek": 40, "stateTaxRate": 5, "payPeriod": "annual", "filingStatus": "single" } } ], "sources": [] }, { "id": "ira-calculator", "version": "7.0.0", "name": "Traditional IRA Calculator", "shortName": "Traditional IRA", "description": "Calculate the growth of your Traditional IRA and estimate your after-tax retirement savings.", "category": "Finance", "categorySlug": "finance", "keywords": [ "ira" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ira-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/ira-calculator/", "definition": "/calculator/ira-calculator/definition.json", "schema": "/calculator/ira-calculator/schema.json", "llms": "/calculator/ira-calculator/llms.txt", "legacyDefinition": "/calculator/ira-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ira-calculator/?currentAge=30&retireAge=65&balance=15000&annualContribution=7500&returnRate=7&taxRateNow=24&taxRateRetire=22", "queryParameters": { "currentAge": { "label": "Current Age", "type": "number", "required": false, "default": 30 }, "retireAge": { "label": "Retirement Age", "type": "number", "required": false, "default": 65 }, "balance": { "label": "Current Balance", "type": "number", "required": false, "default": 15000 }, "annualContribution": { "label": "Annual Contribution", "type": "number", "required": false, "default": 7500 }, "returnRate": { "label": "Expected Annual Return", "type": "number", "required": false, "default": 7 }, "taxRateNow": { "label": "Current Tax Rate", "type": "number", "required": false, "default": 24 }, "taxRateRetire": { "label": "Retirement Tax Rate", "type": "number", "required": false, "default": 22 } }, "inputs": [ { "id": "currentAge", "label": "Current Age", "type": "number", "defaultValue": 30 }, { "id": "retireAge", "label": "Retirement Age", "type": "number", "defaultValue": 65 }, { "id": "balance", "label": "Current Balance", "type": "number", "defaultValue": 15000 }, { "id": "annualContribution", "label": "Annual Contribution", "type": "number", "defaultValue": 7500, "help": "Default uses the 2026 IRA contribution limit before any age-based catch-up amount or deduction restriction." }, { "id": "returnRate", "label": "Expected Annual Return", "type": "number", "defaultValue": 7 }, { "id": "taxRateNow", "label": "Current Tax Rate", "type": "number", "defaultValue": 24 }, { "id": "taxRateRetire", "label": "Retirement Tax Rate", "type": "number", "defaultValue": 22 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Each year: balance = balance × (1 + annual return) + annual contribution; the result separates contributions from investment growth." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "currentAge": 30, "retireAge": 65, "balance": 15000, "annualContribution": 7500, "returnRate": 7, "taxRateNow": 24, "taxRateRetire": 22 } } ], "sources": [ { "label": "IRS 2026 retirement-plan limits", "url": "https://www.irs.gov/newsroom/401k-limit-increases-to-24500-for-2026-ira-limit-increases-to-7500" } ] }, { "id": "units-of-production-depreciation-calculator", "version": "1.0.0", "name": "Units of Production Depreciation Calculator", "shortName": "Units of Production Depreciation", "description": "Calculate depreciation per unit and depreciation for a production period, with a lifetime-usage schedule summary.", "category": "Finance", "categorySlug": "finance", "keywords": [ "units", "of", "production", "depreciation", "calculator", "units of production depreciation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/units-of-production-depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Depreciation treatment varies by accounting policy and tax jurisdiction.", "urls": { "page": "/calculator/units-of-production-depreciation-calculator/", "definition": "/calculator/units-of-production-depreciation-calculator/definition.json", "schema": "/calculator/units-of-production-depreciation-calculator/schema.json", "llms": "/calculator/units-of-production-depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/units-of-production-depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/units-of-production-depreciation-calculator/?cost=100000&salvageValue=10000&estimatedTotalUnits=500000&unitsThisPeriod=60000&unitsBeforePeriod=120000", "queryParameters": { "cost": { "label": "Asset cost", "type": "money", "required": true, "default": 100000 }, "salvageValue": { "label": "Salvage value", "type": "money", "required": true, "default": 10000 }, "estimatedTotalUnits": { "label": "Estimated lifetime units", "type": "number", "required": true, "default": 500000 }, "unitsThisPeriod": { "label": "Units produced this period", "type": "number", "required": true, "default": 60000 }, "unitsBeforePeriod": { "label": "Units produced before this period", "type": "number", "required": true, "default": 120000 } }, "inputs": [ { "id": "cost", "label": "Asset cost", "type": "money", "required": true, "defaultValue": 100000, "min": 0.01, "step": 100 }, { "id": "salvageValue", "label": "Salvage value", "type": "money", "required": true, "defaultValue": 10000, "min": 0, "step": 100 }, { "id": "estimatedTotalUnits", "label": "Estimated lifetime units", "type": "number", "required": true, "defaultValue": 500000, "min": 0.000001, "step": 1 }, { "id": "unitsThisPeriod", "label": "Units produced this period", "type": "number", "required": true, "defaultValue": 60000, "min": 0, "step": 1 }, { "id": "unitsBeforePeriod", "label": "Units produced before this period", "type": "number", "required": true, "defaultValue": 120000, "min": 0, "step": 1 } ], "outputs": [ { "id": "depreciationPerUnit", "label": "Depreciation per unit", "format": "currency", "primary": true, "digits": 8 }, { "id": "periodDepreciation", "label": "Period depreciation", "format": "currency" }, { "id": "accumulatedDepreciation", "label": "Accumulated depreciation", "format": "currency" }, { "id": "endingBookValue", "label": "Ending book value", "format": "currency" }, { "id": "remainingUnits", "label": "Remaining estimated units", "format": "number", "digits": 2 } ], "formula": { "expression": "depreciation per unit = (cost − salvage) ÷ estimated total units" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 100000, "salvageValue": 10000, "estimatedTotalUnits": 500000, "unitsThisPeriod": 60000, "unitsBeforePeriod": 120000 } } ], "sources": [] }, { "id": "va-mortgage-calculator", "version": "7.0.0", "name": "VA Mortgage Calculator", "shortName": "VA Mortgage", "description": "Calculate VA loan payments including the VA Funding Fee. VA loans typically require no down payment and no PMI.", "category": "Finance", "categorySlug": "finance", "keywords": [ "va", "mortgage" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/va-mortgage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/va-mortgage-calculator/", "definition": "/calculator/va-mortgage-calculator/definition.json", "schema": "/calculator/va-mortgage-calculator/schema.json", "llms": "/calculator/va-mortgage-calculator/llms.txt", "legacyDefinition": "/calculator/va-mortgage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/va-mortgage-calculator/?price=350000&downPayment=0&rate=6&term=30&fundingFeeRate=2.15", "queryParameters": { "price": { "label": "Home Price", "type": "number", "required": false, "default": 350000 }, "downPayment": { "label": "Down Payment", "type": "number", "required": false, "default": 0 }, "rate": { "label": "Interest Rate", "type": "number", "required": false, "default": 6 }, "term": { "label": "Loan Term (Years)", "type": "number", "required": false, "default": 30 }, "fundingFeeRate": { "label": "VA Funding Fee", "type": "number", "required": false, "default": 2.15 } }, "inputs": [ { "id": "price", "label": "Home Price", "type": "number", "defaultValue": 350000 }, { "id": "downPayment", "label": "Down Payment", "type": "number", "defaultValue": 0 }, { "id": "rate", "label": "Interest Rate", "type": "number", "defaultValue": 6 }, { "id": "term", "label": "Loan Term (Years)", "type": "number", "defaultValue": 30 }, { "id": "fundingFeeRate", "label": "VA Funding Fee", "type": "number", "defaultValue": 2.15 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Financed amount = price − down payment + funding fee; monthly principal and interest use the standard installment-loan formula." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "price": 350000, "downPayment": 0, "rate": 6, "term": 30, "fundingFeeRate": 2.15 } } ], "sources": [] }, { "id": "variable-declining-balance-depreciation-calculator", "version": "1.0.0", "name": "Variable Declining Balance Depreciation Calculator", "shortName": "Variable Declining Balance Depreciation", "description": "Calculate declining-balance depreciation with an optional switch to straight line when that produces more depreciation.", "category": "Finance", "categorySlug": "finance", "keywords": [ "variable", "declining", "balance", "depreciation", "calculator", "variable declining balance depreciation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/variable-declining-balance-depreciation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This model is educational and may not match a particular accounting standard, tax rule, or spreadsheet function in every edge case.", "urls": { "page": "/calculator/variable-declining-balance-depreciation-calculator/", "definition": "/calculator/variable-declining-balance-depreciation-calculator/definition.json", "schema": "/calculator/variable-declining-balance-depreciation-calculator/schema.json", "llms": "/calculator/variable-declining-balance-depreciation-calculator/llms.txt", "legacyDefinition": "/calculator/variable-declining-balance-depreciation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/variable-declining-balance-depreciation-calculator/?cost=50000&salvageValue=5000&usefulLife=8&decliningFactor=2&switchToStraightLine=yes&startPeriod=0&endPeriod=3", "queryParameters": { "cost": { "label": "Asset cost", "type": "money", "required": true, "default": 50000 }, "salvageValue": { "label": "Salvage value", "type": "money", "required": true, "default": 5000 }, "usefulLife": { "label": "Useful life in periods", "type": "number", "required": true, "default": 8 }, "decliningFactor": { "label": "Declining-balance factor", "type": "number", "required": true, "default": 2 }, "switchToStraightLine": { "label": "Switch to straight line when advantageous", "type": "select", "required": true, "default": "yes" }, "startPeriod": { "label": "Start period for selected total", "type": "number", "required": true, "default": 0 }, "endPeriod": { "label": "End period for selected total", "type": "number", "required": true, "default": 3 } }, "inputs": [ { "id": "cost", "label": "Asset cost", "type": "money", "required": true, "defaultValue": 50000, "min": 0.01, "step": 100 }, { "id": "salvageValue", "label": "Salvage value", "type": "money", "required": true, "defaultValue": 5000, "min": 0, "step": 100 }, { "id": "usefulLife", "label": "Useful life in periods", "type": "number", "required": true, "defaultValue": 8, "min": 1, "max": 500, "step": 1 }, { "id": "decliningFactor", "label": "Declining-balance factor", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "max": 100, "step": 0.1 }, { "id": "switchToStraightLine", "label": "Switch to straight line when advantageous", "type": "select", "required": true, "defaultValue": "yes", "options": [ { "label": "Yes", "value": "yes" }, { "label": "No", "value": "no" } ] }, { "id": "startPeriod", "label": "Start period for selected total", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 500, "step": 1 }, { "id": "endPeriod", "label": "End period for selected total", "type": "number", "required": true, "defaultValue": 3, "min": 0, "max": 500, "step": 1 } ], "outputs": [ { "id": "selectedRangeDepreciation", "label": "Depreciation in selected range", "format": "currency", "primary": true }, { "id": "firstPeriodDepreciation", "label": "First-period depreciation", "format": "currency" }, { "id": "totalDepreciation", "label": "Total scheduled depreciation", "format": "currency" }, { "id": "endingBookValue", "label": "Ending book value", "format": "currency" }, { "id": "switchPeriod", "label": "Straight-line switch period", "format": "text" } ], "formula": { "expression": "declining depreciation = opening book value × factor ÷ life; optionally switch to remaining straight-line depreciation" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cost": 50000, "salvageValue": 5000, "usefulLife": 8, "decliningFactor": 2, "switchToStraightLine": "yes", "startPeriod": 0, "endPeriod": 3 } } ], "sources": [] }, { "id": "vat-calculator", "version": "1.0.0", "name": "VAT Calculator", "shortName": "VAT", "description": "Add VAT to a net amount or remove VAT from a gross amount.", "category": "Finance", "categorySlug": "finance", "keywords": [ "value added tax", "vat inclusive", "vat exclusive", "gross price" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/vat-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/vat-calculator/", "definition": "/calculator/vat-calculator/definition.json", "schema": "/calculator/vat-calculator/schema.json", "llms": "/calculator/vat-calculator/llms.txt", "legacyDefinition": "/calculator/vat-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/vat-calculator/?mode=add&amount=100&vatRate=20", "queryParameters": { "mode": { "label": "Calculation", "type": "select", "required": true, "default": "add" }, "amount": { "label": "Amount", "type": "money", "required": true, "default": 100 }, "vatRate": { "label": "VAT rate", "type": "percent", "required": true, "default": 20 } }, "inputs": [ { "id": "mode", "label": "Calculation", "type": "select", "required": true, "defaultValue": "add", "options": [ { "label": "Add VAT", "value": "add" }, { "label": "Remove VAT", "value": "remove" } ], "width": "full" }, { "id": "amount", "label": "Amount", "type": "money", "required": true, "defaultValue": 100, "min": 0, "step": 0.01, "width": "half" }, { "id": "vatRate", "label": "VAT rate", "type": "percent", "required": true, "defaultValue": 20, "min": 0, "max": 100, "step": 0.1, "control": "slider-number", "width": "half" } ], "outputs": [ { "id": "grossAmount", "label": "Gross amount", "format": "currency", "primary": true }, { "id": "netAmount", "label": "Net amount", "format": "currency" }, { "id": "vatAmount", "label": "VAT amount", "format": "currency" } ], "formula": { "expression": "Add: gross = net × (1 + rate); remove: net = gross ÷ (1 + rate)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "add", "amount": 100, "vatRate": 20 } } ], "sources": [] }, { "id": "army-body-fat-calculator", "version": "2.0.0", "name": "Army Body Fat Calculator", "shortName": "Army Body Composition", "description": "Check the current U.S. Army waist-to-height standard and optionally calculate the legacy 2023 one-site body-fat estimate.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "Army body composition", "waist to height ratio", "WHtR", "Army 2026 standard", "Army body fat" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/army-body-fat-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This educational tool cannot establish official Army compliance. Follow current Army measurement procedures and official records.", "urls": { "page": "/calculator/army-body-fat-calculator/", "definition": "/calculator/army-body-fat-calculator/definition.json", "schema": "/calculator/army-body-fat-calculator/schema.json", "llms": "/calculator/army-body-fat-calculator/llms.txt", "legacyDefinition": "/calculator/army-body-fat-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/army-body-fat-calculator/?standard=current2026&unitSystem=metric&sex=male&age=30&weightKg=70&heightCm=175&waistCm=90", "queryParameters": { "standard": { "label": "Army standard", "type": "select", "required": true, "default": "current2026" }, "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "waistCm": { "label": "Waist at navel", "type": "number", "required": true, "default": 90, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "waistIn": { "label": "Waist at navel", "type": "number", "required": true, "default": 35.4, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "standard", "label": "Army standard", "type": "select", "required": true, "defaultValue": "current2026", "options": [ { "label": "Current 2026 waist-to-height assessment", "value": "current2026" }, { "label": "Legacy 2023 one-site body-fat estimate", "value": "legacy2023" } ], "width": "full" }, { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 13, "max": 120, "step": 1, "suffix": "years", "width": "half" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "waistCm", "label": "Waist at navel", "type": "number", "required": true, "defaultValue": 90, "min": 20, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "waistIn", "label": "Waist at navel", "type": "number", "required": true, "defaultValue": 35.4, "min": 8, "max": 120, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" } ], "outputs": [ { "id": "ratio", "label": "Waist-to-height ratio", "format": "number", "primary": true, "digits": 3 }, { "id": "status", "label": "Current standard result", "format": "text" }, { "id": "maximumWaist", "label": "Maximum waist at 0.55", "format": "text" }, { "id": "legacyBodyFat", "label": "Legacy 2023 body-fat estimate", "format": "percent", "digits": 1 }, { "id": "legacyStatus", "label": "Legacy age-band result", "format": "text" } ], "formula": { "expression": "Current assessment: WHtR = waist circumference ÷ height, with a ratio below 0.55 meeting the Army screening benchmark; optional legacy estimate uses the 2023 sex-specific one-site equation." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "standard": "current2026", "unitSystem": "metric", "sex": "male", "age": 30, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "waistCm": 90, "waistIn": 35.4 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/army-body-fat-calculator.html" }, { "label": "U.S. Army 2026 body-composition policy overview", "url": "https://www.army.mil/article/287516/army_updates_body_composition_program_to_strengthen_readiness" } ] }, { "id": "bac-calculator", "version": "2.0.0", "name": "BAC Calculator", "shortName": "BAC", "description": "Estimate blood alcohol concentration from detailed beer, wine, spirit, and custom beverage amounts using a Widmark-style model.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "blood alcohol content", "BAC estimate", "Widmark formula", "standard drinks", "alcohol metabolism" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bac-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Never use a BAC estimate to decide whether to drive, operate equipment, supervise others, or delay emergency care. Actual BAC can be higher or lower.", "urls": { "page": "/calculator/bac-calculator/", "definition": "/calculator/bac-calculator/definition.json", "schema": "/calculator/bac-calculator/schema.json", "llms": "/calculator/bac-calculator/llms.txt", "legacyDefinition": "/calculator/bac-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bac-calculator/?unitSystem=imperial&sex=male&weightLb=180&hoursSinceFirstDrink=2&beerCount=3&beerSizeOz=12&beerAbv=5&wineCount=0&wineSizeOz=5&wineAbv=12&spiritCount=0&spiritSizeOz=1.5&spiritAbv=40&otherVolumeOz=0&otherAbv=0&metabolismRate=0.015", "queryParameters": { "unitSystem": { "label": "Body-weight units", "type": "select", "required": true, "default": "imperial" }, "sex": { "label": "Sex-based distribution factor", "type": "select", "required": true, "default": "male" }, "weightLb": { "label": "Body weight", "type": "number", "required": true, "default": 180, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "weightKg": { "label": "Body weight", "type": "number", "required": true, "default": 82, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "hoursSinceFirstDrink": { "label": "Hours since first drink", "type": "number", "required": true, "default": 2 }, "beerCount": { "label": "Beer servings", "type": "number", "required": true, "default": 3 }, "beerSizeOz": { "label": "Beer serving size", "type": "number", "required": true, "default": 12 }, "beerAbv": { "label": "Beer alcohol", "type": "percent", "required": true, "default": 5 }, "wineCount": { "label": "Wine servings", "type": "number", "required": true, "default": 0 }, "wineSizeOz": { "label": "Wine serving size", "type": "number", "required": true, "default": 5 }, "wineAbv": { "label": "Wine alcohol", "type": "percent", "required": true, "default": 12 }, "spiritCount": { "label": "Spirit servings", "type": "number", "required": true, "default": 0 }, "spiritSizeOz": { "label": "Spirit serving size", "type": "number", "required": true, "default": 1.5 }, "spiritAbv": { "label": "Spirit alcohol", "type": "percent", "required": true, "default": 40 }, "otherVolumeOz": { "label": "Other beverage total volume", "type": "number", "required": true, "default": 0 }, "otherAbv": { "label": "Other beverage alcohol", "type": "percent", "required": true, "default": 0 }, "metabolismRate": { "label": "Assumed elimination rate", "type": "number", "required": true, "default": 0.015 } }, "inputs": [ { "id": "unitSystem", "label": "Body-weight units", "type": "select", "required": true, "defaultValue": "imperial", "options": [ { "label": "Pounds", "value": "imperial" }, { "label": "Kilograms", "value": "metric" } ], "width": "full" }, { "id": "sex", "label": "Sex-based distribution factor", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male factor", "value": "male" }, { "label": "Female factor", "value": "female" } ], "width": "half" }, { "id": "weightLb", "label": "Body weight", "type": "number", "required": true, "defaultValue": 180, "min": 50, "max": 1000, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "weightKg", "label": "Body weight", "type": "number", "required": true, "defaultValue": 82, "min": 20, "max": 450, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "hoursSinceFirstDrink", "label": "Hours since first drink", "type": "number", "required": true, "defaultValue": 2, "min": 0, "max": 48, "step": 0.1, "suffix": "hours", "width": "half" }, { "id": "beerCount", "label": "Beer servings", "type": "number", "required": true, "defaultValue": 3, "min": 0, "max": 50, "step": 0.25, "width": "half" }, { "id": "beerSizeOz", "label": "Beer serving size", "type": "number", "required": true, "defaultValue": 12, "min": 0, "max": 64, "step": 0.1, "suffix": "fl oz", "width": "half" }, { "id": "beerAbv", "label": "Beer alcohol", "type": "percent", "required": true, "defaultValue": 5, "min": 0, "max": 100, "step": 0.1, "suffix": "% ABV", "width": "half" }, { "id": "wineCount", "label": "Wine servings", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 50, "step": 0.25, "width": "half" }, { "id": "wineSizeOz", "label": "Wine serving size", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 32, "step": 0.1, "suffix": "fl oz", "width": "half" }, { "id": "wineAbv", "label": "Wine alcohol", "type": "percent", "required": true, "defaultValue": 12, "min": 0, "max": 100, "step": 0.1, "suffix": "% ABV", "width": "half" }, { "id": "spiritCount", "label": "Spirit servings", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 50, "step": 0.25, "width": "half" }, { "id": "spiritSizeOz", "label": "Spirit serving size", "type": "number", "required": true, "defaultValue": 1.5, "min": 0, "max": 16, "step": 0.1, "suffix": "fl oz", "width": "half" }, { "id": "spiritAbv", "label": "Spirit alcohol", "type": "percent", "required": true, "defaultValue": 40, "min": 0, "max": 100, "step": 0.1, "suffix": "% ABV", "width": "half" }, { "id": "otherVolumeOz", "label": "Other beverage total volume", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 1000, "step": 0.1, "suffix": "fl oz", "width": "half" }, { "id": "otherAbv", "label": "Other beverage alcohol", "type": "percent", "required": true, "defaultValue": 0, "min": 0, "max": 100, "step": 0.1, "suffix": "% ABV", "width": "half" }, { "id": "metabolismRate", "label": "Assumed elimination rate", "type": "number", "required": true, "defaultValue": 0.015, "min": 0.005, "max": 0.03, "step": 0.001, "suffix": "BAC/hour", "width": "full" } ], "outputs": [ { "id": "estimatedBac", "label": "Estimated current BAC", "format": "percent", "primary": true, "digits": 3 }, { "id": "peakBac", "label": "Estimated pre-elimination BAC", "format": "percent", "digits": 3 }, { "id": "standardDrinks", "label": "Approximate U.S. standard drinks", "format": "number", "digits": 2 }, { "id": "alcoholGrams", "label": "Pure alcohol consumed", "format": "number", "digits": 1, "suffix": " g" }, { "id": "hoursToZero", "label": "Additional estimated time to zero", "format": "number", "digits": 1, "suffix": " hours" }, { "id": "safetyMessage", "label": "Safety message", "format": "text" } ], "formula": { "expression": "Alcohol grams = volume × ABV × ethanol density; Widmark-style BAC = alcohol grams ÷ (distribution factor × body mass grams) × 100 − elimination rate × hours." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "imperial", "sex": "male", "weightLb": 180, "weightKg": 82, "hoursSinceFirstDrink": 2, "beerCount": 3, "beerSizeOz": 12, "beerAbv": 5, "wineCount": 0, "wineSizeOz": 5, "wineAbv": 12, "spiritCount": 0, "spiritSizeOz": 1.5, "spiritAbv": 40, "otherVolumeOz": 0, "otherAbv": 0, "metabolismRate": 0.015 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/bac-calculator.html" }, { "label": "NIAAA standard drink information", "url": "https://www.niaaa.nih.gov/alcohols-effects-health/overview-alcohol-consumption/what-standard-drink" } ] }, { "id": "bench-press-calculator", "version": "7.0.0", "name": "Bench Press Calculator", "shortName": "Bench Press", "description": "Estimate your Bench Press 1RM and generate a pyramid training routine.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "bench", "press" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bench-press-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/bench-press-calculator/", "definition": "/calculator/bench-press-calculator/definition.json", "schema": "/calculator/bench-press-calculator/schema.json", "llms": "/calculator/bench-press-calculator/llms.txt", "legacyDefinition": "/calculator/bench-press-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bench-press-calculator/?weight=185&reps=5", "queryParameters": { "weight": { "label": "Weight Lifted", "type": "number", "required": false, "default": 185 }, "reps": { "label": "Reps Performed", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "weight", "label": "Weight Lifted", "type": "number", "defaultValue": 185 }, { "id": "reps", "label": "Reps Performed", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Estimated one-repetition maximum uses the selected repetition formula; training percentages are derived from that estimate." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "weight": 185, "reps": 5 } } ], "sources": [] }, { "id": "bmi-calculator", "version": "20.1.0", "name": "BMI Calculator", "shortName": "BMI", "description": "Calculate BMI, BMI Prime, ponderal index, adult category, and the corresponding healthy-weight range in metric or imperial units.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "body mass index", "BMI prime", "ponderal index", "healthy weight", "adult BMI" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bmi-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "BMI is a screening measure, not a diagnosis. People under age 20 require age- and sex-specific growth-chart percentiles.", "urls": { "page": "/calculator/bmi-calculator/", "definition": "/calculator/bmi-calculator/definition.json", "schema": "/calculator/bmi-calculator/schema.json", "llms": "/calculator/bmi-calculator/llms.txt", "legacyDefinition": "/calculator/bmi-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bmi-calculator/?unitSystem=metric&sex=male&age=30&weightKg=70&heightCm=175", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 13, "max": 120, "step": 1, "suffix": "years", "width": "half" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" } ], "outputs": [ { "id": "bmi", "label": "BMI", "format": "number", "primary": true, "digits": 1 }, { "id": "category", "label": "Screening category", "format": "text" }, { "id": "healthyRange", "label": "BMI 18.5–24.9 weight range", "format": "text" }, { "id": "bmiPrime", "label": "BMI Prime", "format": "number", "digits": 3 }, { "id": "ponderalIndex", "label": "Ponderal index", "format": "number", "digits": 2, "suffix": " kg/m³" } ], "formula": { "expression": "BMI = weight (kg) ÷ height² (m²); BMI Prime = BMI ÷ 25; ponderal index = weight ÷ height³." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/bmi-calculator.html" }, { "label": "CDC adult BMI categories", "url": "https://www.cdc.gov/bmi/adult-calculator/bmi-categories.html" }, { "label": "CDC: adult BMI calculator", "url": "https://www.cdc.gov/bmi/adult-calculator/index.html" }, { "label": "CDC: child and teen BMI requires age-specific interpretation", "url": "https://www.cdc.gov/bmi/child-teen-calculator/index.html" } ] }, { "id": "bmr-calculator", "version": "2.0.0", "name": "BMR Calculator", "shortName": "BMR", "description": "Estimate basal metabolic rate with Mifflin–St Jeor, revised Harris–Benedict, or Katch–McArdle and view activity-adjusted daily energy needs.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "basal metabolic rate", "Mifflin St Jeor", "Harris Benedict", "Katch McArdle", "daily calories" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bmr-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "BMR and activity multipliers estimate energy use; individual metabolism and medical needs vary.", "urls": { "page": "/calculator/bmr-calculator/", "definition": "/calculator/bmr-calculator/definition.json", "schema": "/calculator/bmr-calculator/schema.json", "llms": "/calculator/bmr-calculator/llms.txt", "legacyDefinition": "/calculator/bmr-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bmr-calculator/?unitSystem=metric&sex=male&age=30&formula=mifflin&weightKg=70&heightCm=175&activity=moderate&energyUnit=kcal", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "formula": { "label": "BMR equation", "type": "select", "required": true, "default": "mifflin" }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "bodyFatPercent": { "label": "Body fat", "type": "percent", "required": false, "default": 20, "showWhen": { "field": "formula", "equals": "katch" } }, "activity": { "label": "Activity level", "type": "select", "required": true, "default": "moderate" }, "energyUnit": { "label": "Energy display", "type": "select", "required": true, "default": "kcal" } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 13, "max": 120, "step": 1, "suffix": "years", "width": "half" }, { "id": "formula", "label": "BMR equation", "type": "select", "required": true, "defaultValue": "mifflin", "options": [ { "label": "Mifflin–St Jeor", "value": "mifflin" }, { "label": "Revised Harris–Benedict", "value": "harris" }, { "label": "Katch–McArdle (body fat required)", "value": "katch" } ], "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "bodyFatPercent", "label": "Body fat", "type": "percent", "defaultValue": 20, "min": 1, "max": 79, "step": 0.1, "suffix": "%", "showWhen": { "field": "formula", "equals": "katch" }, "width": "full" }, { "id": "activity", "label": "Activity level", "type": "select", "required": true, "defaultValue": "moderate", "options": [ { "label": "Sedentary: little exercise", "value": "sedentary" }, { "label": "Light: exercise 1–3 days/week", "value": "light" }, { "label": "Moderate: exercise 3–5 days/week", "value": "moderate" }, { "label": "Active: hard exercise 6–7 days/week", "value": "active" }, { "label": "Very active: hard exercise or physical job", "value": "veryActive" }, { "label": "Extra active: very hard training and physical job", "value": "extraActive" } ], "width": "full" }, { "id": "energyUnit", "label": "Energy display", "type": "select", "required": true, "defaultValue": "kcal", "options": [ { "label": "Calories (kcal)", "value": "kcal" }, { "label": "Kilojoules (kJ)", "value": "kj" } ], "width": "full" } ], "outputs": [ { "id": "bmr", "label": "Basal metabolic rate", "format": "number", "primary": true, "digits": 0 }, { "id": "sedentary", "label": "Sedentary daily need", "format": "number", "digits": 0 }, { "id": "moderate", "label": "Moderate-activity daily need", "format": "number", "digits": 0 }, { "id": "veryActive", "label": "Very-active daily need", "format": "number", "digits": 0 }, { "id": "equation", "label": "Equation used", "format": "text" } ], "formula": { "expression": "Mifflin: 10W + 6.25H − 5A + s; revised Harris–Benedict uses sex-specific coefficients; Katch–McArdle: 370 + 21.6 × lean mass (kg)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "formula": "mifflin", "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "bodyFatPercent": 20, "activity": "moderate", "energyUnit": "kcal" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/bmr-calculator.html" } ] }, { "id": "body-fat-calculator", "version": "2.0.0", "name": "Body Fat Calculator", "shortName": "Body Fat", "description": "Estimate body-fat percentage with the U.S. Navy circumference method and compare it with a BMI-based estimate.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "body fat percentage", "US Navy method", "fat mass", "lean mass", "body composition" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/body-fat-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Circumference methods estimate body composition and are not diagnostic measurements.", "urls": { "page": "/calculator/body-fat-calculator/", "definition": "/calculator/body-fat-calculator/definition.json", "schema": "/calculator/body-fat-calculator/schema.json", "llms": "/calculator/body-fat-calculator/llms.txt", "legacyDefinition": "/calculator/body-fat-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/body-fat-calculator/?unitSystem=metric&sex=male&age=30&weightKg=80&heightCm=180&neckCm=39&waistCm=90&hipCm=100", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 80, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 180, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "neckCm": { "label": "Neck circumference", "type": "number", "required": true, "default": 39, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "waistCm": { "label": "Waist circumference", "type": "number", "required": true, "default": 90, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "hipCm": { "label": "Hip circumference (used for female equation)", "type": "number", "required": true, "default": 100, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 176, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 11, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "neckIn": { "label": "Neck circumference", "type": "number", "required": true, "default": 15.4, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "waistIn": { "label": "Waist circumference", "type": "number", "required": true, "default": 35.4, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "hipIn": { "label": "Hip circumference (used for female equation)", "type": "number", "required": true, "default": 39.4, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 18, "max": 100, "step": 1, "suffix": "years", "width": "half" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 80, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 180, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "neckCm", "label": "Neck circumference", "type": "number", "required": true, "defaultValue": 39, "min": 10, "max": 100, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "waistCm", "label": "Waist circumference", "type": "number", "required": true, "defaultValue": 90, "min": 20, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "hipCm", "label": "Hip circumference (used for female equation)", "type": "number", "required": true, "defaultValue": 100, "min": 20, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 176, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 11, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "neckIn", "label": "Neck circumference", "type": "number", "required": true, "defaultValue": 15.4, "min": 4, "max": 40, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "waistIn", "label": "Waist circumference", "type": "number", "required": true, "defaultValue": 35.4, "min": 8, "max": 120, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "hipIn", "label": "Hip circumference (used for female equation)", "type": "number", "required": true, "defaultValue": 39.4, "min": 8, "max": 120, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" } ], "outputs": [ { "id": "bodyFat", "label": "Navy body-fat estimate", "format": "percent", "primary": true, "digits": 1 }, { "id": "category", "label": "Body-fat category", "format": "text" }, { "id": "bmiEstimate", "label": "BMI-based estimate", "format": "percent", "digits": 1 }, { "id": "fatMass", "label": "Estimated fat mass", "format": "text" }, { "id": "leanMass", "label": "Estimated lean mass", "format": "text" }, { "id": "bmi", "label": "BMI", "format": "number", "digits": 1 } ], "formula": { "expression": "U.S. Navy circumference equations use log10 of height and sex-specific circumference combinations; BMI estimate = 1.2×BMI + 0.23×age − 10.8×male − 5.4." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "weightKg": 80, "heightCm": 180, "neckCm": 39, "waistCm": 90, "hipCm": 100, "weightLb": 176, "feet": 5, "inches": 11, "neckIn": 15.4, "waistIn": 35.4, "hipIn": 39.4 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/body-fat-calculator.html" } ] }, { "id": "body-surface-area-calculator", "version": "2.0.0", "name": "Body Surface Area Calculator", "shortName": "BSA", "description": "Calculate body surface area with Mosteller, Du Bois, Haycock, Gehan–George, Boyd, and Schlich formulas.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "body surface area", "BSA", "Mosteller", "Du Bois", "Haycock", "Schlich" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/body-surface-area-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "BSA is an estimate. Clinical dosing or treatment decisions require professional verification.", "urls": { "page": "/calculator/body-surface-area-calculator/", "definition": "/calculator/body-surface-area-calculator/definition.json", "schema": "/calculator/body-surface-area-calculator/schema.json", "llms": "/calculator/body-surface-area-calculator/llms.txt", "legacyDefinition": "/calculator/body-surface-area-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/body-surface-area-calculator/?unitSystem=metric&sex=male&weightKg=70&heightCm=175", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" } ], "outputs": [ { "id": "mosteller", "label": "Mosteller BSA", "format": "number", "primary": true, "digits": 4, "suffix": " m²" }, { "id": "duBois", "label": "Du Bois BSA", "format": "number", "digits": 4, "suffix": " m²" }, { "id": "haycock", "label": "Haycock BSA", "format": "number", "digits": 4, "suffix": " m²" }, { "id": "gehanGeorge", "label": "Gehan–George BSA", "format": "number", "digits": 4, "suffix": " m²" }, { "id": "boyd", "label": "Boyd BSA", "format": "number", "digits": 4, "suffix": " m²" }, { "id": "schlich", "label": "Schlich BSA", "format": "number", "digits": 4, "suffix": " m²" }, { "id": "average", "label": "Formula average", "format": "number", "digits": 4, "suffix": " m²" } ], "formula": { "expression": "Mosteller: √(height cm × weight kg ÷ 3600); other published equations use formula-specific powers of height and weight." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/body-surface-area-calculator.html" } ] }, { "id": "body-type-calculator", "version": "2.0.0", "name": "Body Type Calculator", "shortName": "Body Shape", "description": "Classify seven female fashion-industry body-shape categories from bust, waist, high-hip, and hip measurements and calculate waist-to-hip ratio.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "body shape", "hourglass", "rectangle", "spoon", "triangle", "waist hip ratio" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/body-type-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Body-shape labels are subjective fashion categories, not health status, biological type, attractiveness, or an ideal.", "urls": { "page": "/calculator/body-type-calculator/", "definition": "/calculator/body-type-calculator/definition.json", "schema": "/calculator/body-type-calculator/schema.json", "llms": "/calculator/body-type-calculator/llms.txt", "legacyDefinition": "/calculator/body-type-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/body-type-calculator/?unitSystem=imperial&bust=36&waist=27&highHip=34&hip=36", "queryParameters": { "unitSystem": { "label": "Measurement units", "type": "select", "required": true, "default": "imperial" }, "bust": { "label": "Bust circumference", "type": "number", "required": true, "default": 36 }, "waist": { "label": "Natural waist circumference", "type": "number", "required": true, "default": 27 }, "highHip": { "label": "High-hip circumference", "type": "number", "required": true, "default": 34 }, "hip": { "label": "Full-hip circumference", "type": "number", "required": true, "default": 36 } }, "inputs": [ { "id": "unitSystem", "label": "Measurement units", "type": "select", "required": true, "defaultValue": "imperial", "options": [ { "label": "Inches", "value": "imperial" }, { "label": "Centimeters", "value": "metric" } ], "width": "full" }, { "id": "bust", "label": "Bust circumference", "type": "number", "required": true, "defaultValue": 36, "min": 10, "max": 300, "step": 0.1, "width": "half" }, { "id": "waist", "label": "Natural waist circumference", "type": "number", "required": true, "defaultValue": 27, "min": 10, "max": 300, "step": 0.1, "width": "half" }, { "id": "highHip", "label": "High-hip circumference", "type": "number", "required": true, "defaultValue": 34, "min": 10, "max": 300, "step": 0.1, "width": "half" }, { "id": "hip", "label": "Full-hip circumference", "type": "number", "required": true, "defaultValue": 36, "min": 10, "max": 300, "step": 0.1, "width": "half" } ], "outputs": [ { "id": "bodyShape", "label": "Estimated body shape", "format": "text", "primary": true }, { "id": "waistHipRatio", "label": "Waist-to-hip ratio", "format": "number", "digits": 3 }, { "id": "bustHipDifference", "label": "Bust minus hip", "format": "text" }, { "id": "hipWaistDifference", "label": "Hip minus waist", "format": "text" }, { "id": "highHipWaistRatio", "label": "High-hip-to-waist ratio", "format": "number", "digits": 3 } ], "formula": { "expression": "Seven-category fashion classification compares bust−hip, hip−bust, bust−waist, hip−waist, and high-hip/waist thresholds after conversion to inches." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "imperial", "bust": 36, "waist": 27, "highHip": 34, "hip": 36 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/body-type-calculator.html" } ] }, { "id": "calorie-calculator", "version": "20.1.0", "name": "Calorie Calculator", "shortName": "Calories", "description": "Estimate BMR, total daily energy expenditure, a goal-adjusted calorie target, and a seven-day calorie-cycling schedule.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "calorie needs", "maintenance calories", "weight loss calories", "TDEE", "zigzag calories" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/calorie-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Energy targets are estimates, not individualized nutrition or medical advice. Avoid aggressive restriction without qualified guidance.", "urls": { "page": "/calculator/calorie-calculator/", "definition": "/calculator/calorie-calculator/definition.json", "schema": "/calculator/calorie-calculator/schema.json", "llms": "/calculator/calorie-calculator/llms.txt", "legacyDefinition": "/calculator/calorie-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/calorie-calculator/?unitSystem=metric&sex=male&age=30&formula=mifflin&weightKg=70&heightCm=175&activity=moderate&goal=maintain", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "formula": { "label": "BMR equation", "type": "select", "required": true, "default": "mifflin" }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "bodyFatPercent": { "label": "Body fat", "type": "percent", "required": false, "default": 20, "showWhen": { "field": "formula", "equals": "katch" } }, "activity": { "label": "Activity level", "type": "select", "required": true, "default": "moderate" }, "goal": { "label": "Weight goal", "type": "select", "required": true, "default": "maintain" } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 13, "max": 120, "step": 1, "suffix": "years", "width": "half" }, { "id": "formula", "label": "BMR equation", "type": "select", "required": true, "defaultValue": "mifflin", "options": [ { "label": "Mifflin–St Jeor", "value": "mifflin" }, { "label": "Revised Harris–Benedict", "value": "harris" }, { "label": "Katch–McArdle (body fat required)", "value": "katch" } ], "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "bodyFatPercent", "label": "Body fat", "type": "percent", "defaultValue": 20, "min": 1, "max": 79, "step": 0.1, "suffix": "%", "showWhen": { "field": "formula", "equals": "katch" }, "width": "full" }, { "id": "activity", "label": "Activity level", "type": "select", "required": true, "defaultValue": "moderate", "options": [ { "label": "Sedentary: little exercise", "value": "sedentary" }, { "label": "Light: exercise 1–3 days/week", "value": "light" }, { "label": "Moderate: exercise 3–5 days/week", "value": "moderate" }, { "label": "Active: hard exercise 6–7 days/week", "value": "active" }, { "label": "Very active: hard exercise or physical job", "value": "veryActive" }, { "label": "Extra active: very hard training and physical job", "value": "extraActive" } ], "width": "full" }, { "id": "goal", "label": "Weight goal", "type": "select", "required": true, "defaultValue": "maintain", "options": [ { "label": "Maintain weight", "value": "maintain" }, { "label": "Mild loss (about 0.25 kg/week)", "value": "mildLoss" }, { "label": "Loss (about 0.5 kg/week)", "value": "loss" }, { "label": "Mild gain (about 0.25 kg/week)", "value": "mildGain" }, { "label": "Gain (about 0.5 kg/week)", "value": "gain" } ], "width": "full" } ], "outputs": [ { "id": "targetCalories", "label": "Daily calorie target", "format": "number", "primary": true, "digits": 0, "suffix": " kcal/day" }, { "id": "tdee", "label": "Maintenance estimate", "format": "number", "digits": 0, "suffix": " kcal/day" }, { "id": "bmr", "label": "BMR estimate", "format": "number", "digits": 0, "suffix": " kcal/day" }, { "id": "weeklyEnergy", "label": "Weekly target", "format": "number", "digits": 0, "suffix": " kcal/week" }, { "id": "goalRate", "label": "Nominal weekly change", "format": "text" } ], "formula": { "expression": "Daily maintenance = BMR × activity factor; goal target = maintenance plus or minus a nominal daily energy adjustment." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "formula": "mifflin", "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "bodyFatPercent": 20, "activity": "moderate", "goal": "maintain" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/calorie-calculator.html" }, { "label": "Mifflin et al. (1990): resting energy expenditure equation", "url": "https://pubmed.ncbi.nlm.nih.gov/2305711/" } ] }, { "id": "calorie-needs-calculator", "version": "1.0.0", "name": "Calorie Needs Calculator", "shortName": "Calorie needs", "description": "Estimate daily maintenance calories and apply an optional daily adjustment.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "tdee", "maintenance calories", "daily calorie needs", "activity factor" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/calorie-needs-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Adult estimate only. Do not use this tool as medical or eating-disorder treatment advice.", "urls": { "page": "/calculator/calorie-needs-calculator/", "definition": "/calculator/calorie-needs-calculator/definition.json", "schema": "/calculator/calorie-needs-calculator/schema.json", "llms": "/calculator/calorie-needs-calculator/llms.txt", "legacyDefinition": "/calculator/calorie-needs-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/calorie-needs-calculator/?sex=female&age=35&weightKg=70&heightCm=170&activityFactor=1.375&dailyAdjustment=0", "queryParameters": { "sex": { "label": "Equation sex constant", "type": "select", "required": true, "default": "female" }, "age": { "label": "Age", "type": "number", "required": true, "default": 35 }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70 }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 170 }, "activityFactor": { "label": "Activity factor", "type": "select", "required": true, "default": 1.375 }, "dailyAdjustment": { "label": "Daily calorie adjustment", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "sex", "label": "Equation sex constant", "type": "select", "required": true, "defaultValue": "female", "options": [ { "label": "Female constant", "value": "female" }, { "label": "Male constant", "value": "male" } ], "width": "full" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 35, "min": 18, "max": 120, "step": 1, "width": "half" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": " kg", "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 170, "min": 50, "max": 300, "step": 0.1, "suffix": " cm", "width": "half" }, { "id": "activityFactor", "label": "Activity factor", "type": "select", "required": true, "defaultValue": 1.375, "options": [ { "label": "Sedentary — 1.2", "value": 1.2 }, { "label": "Light activity — 1.375", "value": 1.375 }, { "label": "Moderate activity — 1.55", "value": 1.55 }, { "label": "Very active — 1.725", "value": 1.725 }, { "label": "Extra active — 1.9", "value": 1.9 } ], "width": "half" }, { "id": "dailyAdjustment", "label": "Daily calorie adjustment", "type": "number", "defaultValue": 0, "min": -2000, "max": 2000, "step": 50, "suffix": " kcal", "help": "Optional; negative or positive", "width": "full" } ], "outputs": [ { "id": "maintenanceCalories", "label": "Estimated maintenance", "format": "integer", "suffix": " kcal/day", "primary": true }, { "id": "targetCalories", "label": "Adjusted daily target", "format": "integer", "suffix": " kcal/day" }, { "id": "bmr", "label": "Estimated BMR", "format": "integer", "suffix": " kcal/day" }, { "id": "weeklyEnergyDifference", "label": "Weekly energy adjustment", "format": "integer", "suffix": " kcal/week" } ], "formula": { "expression": "Maintenance calories = Mifflin–St Jeor BMR × activity factor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sex": "female", "age": 35, "weightKg": 70, "heightCm": 170, "activityFactor": 1.375, "dailyAdjustment": 0 } } ], "sources": [ { "label": "Mifflin et al. equation abstract", "url": "https://pubmed.ncbi.nlm.nih.gov/2305711/" } ] }, { "id": "calories-burned-calculator", "version": "2.0.0", "name": "Calories Burned Calculator", "shortName": "Calories Burned", "description": "Estimate activity calories from body weight, duration, and metabolic equivalent (MET), with a time-projection table.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "calories burned", "MET calculator", "exercise calories", "activity energy expenditure" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/calories-burned-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "MET calculations are population estimates; fitness, technique, environment, and device measurements can differ.", "urls": { "page": "/calculator/calories-burned-calculator/", "definition": "/calculator/calories-burned-calculator/definition.json", "schema": "/calculator/calories-burned-calculator/schema.json", "llms": "/calculator/calories-burned-calculator/llms.txt", "legacyDefinition": "/calculator/calories-burned-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/calories-burned-calculator/?unitSystem=imperial&weightLb=160&activity=running6&durationMinutes=30", "queryParameters": { "unitSystem": { "label": "Weight units", "type": "select", "required": true, "default": "imperial" }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 73, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 160, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "activity": { "label": "Activity", "type": "select", "required": true, "default": "running6" }, "customMet": { "label": "Custom MET value", "type": "number", "required": true, "default": 5, "showWhen": { "field": "activity", "equals": "custom" } }, "durationMinutes": { "label": "Duration", "type": "number", "required": true, "default": 30 } }, "inputs": [ { "id": "unitSystem", "label": "Weight units", "type": "select", "required": true, "defaultValue": "imperial", "options": [ { "label": "Kilograms", "value": "metric" }, { "label": "Pounds", "value": "imperial" } ], "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 73, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 160, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "activity", "label": "Activity", "type": "select", "required": true, "defaultValue": "running6", "options": [ { "label": "Sleeping", "value": "sleeping" }, { "label": "Desk work", "value": "desk" }, { "label": "Walking 3 mph", "value": "walking3" }, { "label": "Walking 4 mph", "value": "walking4" }, { "label": "Hiking", "value": "hiking" }, { "label": "Weight lifting, vigorous", "value": "weights" }, { "label": "Cycling 12–14 mph", "value": "cycling" }, { "label": "Running 5 mph", "value": "running5" }, { "label": "Running 6 mph", "value": "running6" }, { "label": "Running 8 mph", "value": "running8" }, { "label": "Swimming laps", "value": "swimming" }, { "label": "Rowing, vigorous", "value": "rowing" }, { "label": "Yoga", "value": "yoga" }, { "label": "HIIT circuit", "value": "hiit" }, { "label": "Custom MET", "value": "custom" } ], "width": "full" }, { "id": "customMet", "label": "Custom MET value", "type": "number", "required": true, "defaultValue": 5, "min": 0.1, "max": 30, "step": 0.1, "showWhen": { "field": "activity", "equals": "custom" }, "width": "full" }, { "id": "durationMinutes", "label": "Duration", "type": "number", "required": true, "defaultValue": 30, "min": 0.1, "max": 1440, "step": 0.1, "suffix": "minutes", "width": "full" } ], "outputs": [ { "id": "calories", "label": "Estimated calories burned", "format": "number", "primary": true, "digits": 0, "suffix": " kcal" }, { "id": "caloriesPerHour", "label": "Estimated hourly rate", "format": "number", "digits": 0, "suffix": " kcal/hour" }, { "id": "met", "label": "MET value", "format": "number", "digits": 1 }, { "id": "activityLabel", "label": "Activity", "format": "text" } ], "formula": { "expression": "Calories ≈ MET × body weight (kg) × duration (hours)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "imperial", "weightKg": 73, "weightLb": 160, "activity": "running6", "customMet": 5, "durationMinutes": 30 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/calories-burned-calculator.html" } ] }, { "id": "carbohydrate-calculator", "version": "2.0.0", "name": "Carbohydrate Calculator", "shortName": "Carbohydrates", "description": "Estimate daily calorie needs and convert a selected carbohydrate share into grams, with a 45–65% reference interval and 130-gram adult comparison.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "carbohydrate intake", "carbs per day", "AMDR carbohydrates", "daily carbs" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/carbohydrate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Carbohydrate needs vary with health, pregnancy, medicines, and activity. Do not use this estimate to manage diabetes or another condition without qualified guidance.", "urls": { "page": "/calculator/carbohydrate-calculator/", "definition": "/calculator/carbohydrate-calculator/definition.json", "schema": "/calculator/carbohydrate-calculator/schema.json", "llms": "/calculator/carbohydrate-calculator/llms.txt", "legacyDefinition": "/calculator/carbohydrate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/carbohydrate-calculator/?unitSystem=metric&sex=male&age=30&formula=mifflin&weightKg=70&heightCm=175&activity=moderate&carbPercent=50", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "formula": { "label": "BMR equation", "type": "select", "required": true, "default": "mifflin" }, "bodyFatPercent": { "label": "Body fat", "type": "percent", "required": true, "default": 20, "showWhen": { "field": "formula", "equals": "katch" } }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "activity": { "label": "Activity level", "type": "select", "required": true, "default": "moderate" }, "carbPercent": { "label": "Target carbohydrate share", "type": "percent", "required": true, "default": 50 } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 18, "max": 100, "step": 1, "suffix": "years", "width": "half" }, { "id": "formula", "label": "BMR equation", "type": "select", "required": true, "defaultValue": "mifflin", "options": [ { "label": "Mifflin–St Jeor", "value": "mifflin" }, { "label": "Revised Harris–Benedict", "value": "harris" }, { "label": "Katch–McArdle", "value": "katch" } ], "width": "full" }, { "id": "bodyFatPercent", "label": "Body fat", "type": "percent", "required": true, "defaultValue": 20, "min": 1, "max": 79, "step": 0.1, "suffix": "%", "showWhen": { "field": "formula", "equals": "katch" }, "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "activity", "label": "Activity level", "type": "select", "required": true, "defaultValue": "moderate", "options": [ { "label": "Sedentary", "value": "sedentary" }, { "label": "Light activity", "value": "light" }, { "label": "Moderate activity", "value": "moderate" }, { "label": "Active", "value": "active" }, { "label": "Very active", "value": "veryActive" }, { "label": "Extra active", "value": "extraActive" } ], "width": "full" }, { "id": "carbPercent", "label": "Target carbohydrate share", "type": "percent", "required": true, "defaultValue": 50, "min": 5, "max": 80, "step": 1, "suffix": "% of calories", "width": "full" } ], "outputs": [ { "id": "targetCarbs", "label": "Target carbohydrate amount", "format": "number", "primary": true, "digits": 0, "suffix": " g/day" }, { "id": "referenceRange", "label": "45–65% reference range", "format": "text" }, { "id": "calories", "label": "Estimated daily energy", "format": "number", "digits": 0, "suffix": " kcal/day" }, { "id": "targetCaloriesFromCarbs", "label": "Calories from carbohydrate", "format": "number", "digits": 0, "suffix": " kcal/day" }, { "id": "minimumComparison", "label": "130 g comparison", "format": "text" } ], "formula": { "expression": "Daily energy = BMR × activity factor; carbohydrate grams = calories × carbohydrate share ÷ 4." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "formula": "mifflin", "bodyFatPercent": 20, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "activity": "moderate", "carbPercent": 50 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/carbohydrate-calculator.html" }, { "label": "National Academies dietary reference intake overview", "url": "https://nap.nationalacademies.org/catalog/10490/dietary-reference-intakes-for-energy-carbohydrate-fiber-fat-fatty-acids-cholesterol-protein-and-amino-acids" } ] }, { "id": "conception-calculator", "version": "2.0.0", "name": "Conception Calculator", "shortName": "Conception", "description": "Plan estimated fertile windows, highest-probability days, and possible due dates across upcoming menstrual cycles.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "conception planner", "fertile days", "trying to conceive", "ovulation calendar", "possible due date" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/conception-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This planning estimate cannot confirm ovulation, conception, fertility, or pregnancy.", "urls": { "page": "/calculator/conception-calculator/", "definition": "/calculator/conception-calculator/definition.json", "schema": "/calculator/conception-calculator/schema.json", "llms": "/calculator/conception-calculator/llms.txt", "legacyDefinition": "/calculator/conception-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/conception-calculator/?lastPeriodDate=2026-08-01&cycleLength=28&lutealPhase=14&cycles=6", "queryParameters": { "lastPeriodDate": { "label": "First day of last period", "type": "date", "required": true, "default": "2026-08-01" }, "cycleLength": { "label": "Average cycle length", "type": "number", "required": true, "default": 28 }, "lutealPhase": { "label": "Luteal phase length", "type": "number", "required": true, "default": 14 }, "cycles": { "label": "Cycles to plan", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "lastPeriodDate", "label": "First day of last period", "type": "date", "required": true, "defaultValue": "2026-08-01", "width": "full" }, { "id": "cycleLength", "label": "Average cycle length", "type": "number", "required": true, "defaultValue": 28, "min": 20, "max": 45, "step": 1, "suffix": "days", "width": "half" }, { "id": "lutealPhase", "label": "Luteal phase length", "type": "number", "required": true, "defaultValue": 14, "min": 8, "max": 20, "step": 1, "suffix": "days", "width": "half" }, { "id": "cycles", "label": "Cycles to plan", "type": "number", "required": true, "defaultValue": 6, "min": 1, "max": 24, "step": 1, "width": "full" } ], "outputs": [ { "id": "fertileWindow", "label": "Next fertile window", "format": "text", "primary": true }, { "id": "bestDays", "label": "Highest-probability days", "format": "text" }, { "id": "ovulationDate", "label": "Estimated ovulation", "format": "date" }, { "id": "possibleDueDate", "label": "Possible due date", "format": "date" } ], "formula": { "expression": "Estimated ovulation = next period − luteal phase; conception window = ovulation − 5 through +1 days; possible due date = ovulation + 266 days." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "lastPeriodDate": "2026-08-01", "cycleLength": 28, "lutealPhase": 14, "cycles": 6 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/conception-calculator.html" } ] }, { "id": "due-date-calculator", "version": "2.0.0", "name": "Due Date Calculator", "shortName": "Due Date", "description": "Estimate a pregnancy due date from the last menstrual period, conception, ultrasound dating, or IVF embryo transfer.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "pregnancy due date", "Naegele rule", "ultrasound due date", "IVF due date" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/due-date-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "The due date is an estimate, not a guaranteed delivery date. Clinical dating may differ.", "urls": { "page": "/calculator/due-date-calculator/", "definition": "/calculator/due-date-calculator/definition.json", "schema": "/calculator/due-date-calculator/schema.json", "llms": "/calculator/due-date-calculator/llms.txt", "legacyDefinition": "/calculator/due-date-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/due-date-calculator/?method=lmp&lmpDate=2026-06-01&cycleLength=28", "queryParameters": { "method": { "label": "Dating method", "type": "select", "required": true, "default": "lmp" }, "lmpDate": { "label": "First day of last menstrual period", "type": "date", "required": true, "default": "2026-06-01", "showWhen": { "field": "method", "equals": "lmp" } }, "cycleLength": { "label": "Average cycle length", "type": "number", "required": true, "default": 28, "showWhen": { "field": "method", "equals": "lmp" } }, "conceptionDate": { "label": "Known conception date", "type": "date", "required": true, "default": "2026-06-15", "showWhen": { "field": "method", "equals": "conception" } }, "ultrasoundDate": { "label": "Ultrasound date", "type": "date", "required": true, "default": "2026-08-24", "showWhen": { "field": "method", "equals": "ultrasound" } }, "ultrasoundWeeks": { "label": "Gestational age at ultrasound: weeks", "type": "number", "required": true, "default": 12, "showWhen": { "field": "method", "equals": "ultrasound" } }, "ultrasoundDays": { "label": "Additional days", "type": "number", "required": true, "default": 0, "showWhen": { "field": "method", "equals": "ultrasound" } }, "transferDate": { "label": "Embryo transfer date", "type": "date", "required": true, "default": "2026-06-20", "showWhen": { "field": "method", "equals": "ivf" } }, "embryoAgeDays": { "label": "Embryo age at transfer", "type": "select", "required": true, "default": 5, "showWhen": { "field": "method", "equals": "ivf" } } }, "inputs": [ { "id": "method", "label": "Dating method", "type": "select", "required": true, "defaultValue": "lmp", "options": [ { "label": "Last menstrual period", "value": "lmp" }, { "label": "Conception date", "value": "conception" }, { "label": "Ultrasound dating", "value": "ultrasound" }, { "label": "IVF embryo transfer", "value": "ivf" } ], "width": "full" }, { "id": "lmpDate", "label": "First day of last menstrual period", "type": "date", "required": true, "defaultValue": "2026-06-01", "showWhen": { "field": "method", "equals": "lmp" }, "width": "full" }, { "id": "cycleLength", "label": "Average cycle length", "type": "number", "required": true, "defaultValue": 28, "min": 20, "max": 45, "step": 1, "suffix": "days", "showWhen": { "field": "method", "equals": "lmp" }, "width": "full" }, { "id": "conceptionDate", "label": "Known conception date", "type": "date", "required": true, "defaultValue": "2026-06-15", "showWhen": { "field": "method", "equals": "conception" }, "width": "full" }, { "id": "ultrasoundDate", "label": "Ultrasound date", "type": "date", "required": true, "defaultValue": "2026-08-24", "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "full" }, { "id": "ultrasoundWeeks", "label": "Gestational age at ultrasound: weeks", "type": "number", "required": true, "defaultValue": 12, "min": 0, "max": 42, "step": 1, "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "half" }, { "id": "ultrasoundDays", "label": "Additional days", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 6, "step": 1, "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "half" }, { "id": "transferDate", "label": "Embryo transfer date", "type": "date", "required": true, "defaultValue": "2026-06-20", "showWhen": { "field": "method", "equals": "ivf" }, "width": "half" }, { "id": "embryoAgeDays", "label": "Embryo age at transfer", "type": "select", "required": true, "defaultValue": 5, "options": [ { "label": "Day 3 embryo", "value": 3 }, { "label": "Day 5 embryo", "value": 5 }, { "label": "Day 6 embryo", "value": 6 } ], "showWhen": { "field": "method", "equals": "ivf" }, "width": "half" } ], "outputs": [ { "id": "dueDateResult", "label": "Estimated due date", "format": "date", "primary": true }, { "id": "conceptionDateResult", "label": "Estimated conception date", "format": "date" }, { "id": "lmpDateResult", "label": "Estimated LMP date", "format": "date" }, { "id": "earlyTerm", "label": "Early-term date (37 weeks)", "format": "date" }, { "id": "lateTerm", "label": "Late-term date (41 weeks)", "format": "date" }, { "id": "methodResult", "label": "Method used", "format": "text" } ], "formula": { "expression": "LMP: 280 days plus cycle adjustment; conception: 266 days; ultrasound: 280 days minus gestational age; IVF: 266 days minus embryo age." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "method": "lmp", "lmpDate": "2026-06-01", "cycleLength": 28, "conceptionDate": "2026-06-15", "ultrasoundDate": "2026-08-24", "ultrasoundWeeks": 12, "ultrasoundDays": 0, "transferDate": "2026-06-20", "embryoAgeDays": 5 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/due-date-calculator.html" }, { "label": "ACOG methods for estimating due date", "url": "https://www.acog.org/clinical/clinical-guidance/committee-opinion/articles/2017/05/methods-for-estimating-the-due-date" } ] }, { "id": "earned-run-average-calculator", "version": "1.0.0", "name": "Earned Run Average (ERA) Calculator", "shortName": "Earned Run Average (ERA)", "description": "Calculate baseball earned run average from earned runs and innings pitched.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "earned", "run", "average", "era", "calculator", "earned run average calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/earned-run-average-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/earned-run-average-calculator/", "definition": "/calculator/earned-run-average-calculator/definition.json", "schema": "/calculator/earned-run-average-calculator/schema.json", "llms": "/calculator/earned-run-average-calculator/llms.txt", "legacyDefinition": "/calculator/earned-run-average-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/earned-run-average-calculator/?earnedRuns=4&wholeInnings=7&outs=2&gameInnings=9", "queryParameters": { "earnedRuns": { "label": "Earned runs", "type": "number", "required": true, "default": 4 }, "wholeInnings": { "label": "Whole innings pitched", "type": "number", "required": true, "default": 7 }, "outs": { "label": "Additional outs", "type": "select", "required": true, "default": "2" }, "gameInnings": { "label": "Regulation innings per game", "type": "number", "required": true, "default": 9 } }, "inputs": [ { "id": "earnedRuns", "label": "Earned runs", "type": "number", "required": true, "defaultValue": 4, "min": 0, "step": 1 }, { "id": "wholeInnings", "label": "Whole innings pitched", "type": "number", "required": true, "defaultValue": 7, "min": 0, "step": 1 }, { "id": "outs", "label": "Additional outs", "type": "select", "required": true, "defaultValue": "2", "options": [ { "label": "0 outs", "value": "0" }, { "label": "1 out", "value": "1" }, { "label": "2 outs", "value": "2" } ] }, { "id": "gameInnings", "label": "Regulation innings per game", "type": "number", "required": true, "defaultValue": 9, "min": 1, "step": 1 } ], "outputs": [ { "id": "era", "label": "Earned run average", "format": "number", "primary": true, "digits": 3 }, { "id": "innings", "label": "Decimal innings used", "format": "number", "digits": 6 } ], "formula": { "expression": "ERA = earned runs × regulation innings ÷ innings pitched" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "earnedRuns": 4, "wholeInnings": 7, "outs": "2", "gameInnings": 9 } } ], "sources": [] }, { "id": "fat-intake-calculator", "version": "2.0.0", "name": "Fat Intake Calculator", "shortName": "Fat Intake", "description": "Estimate daily fat grams from total energy needs, show a 20–35% reference interval, and calculate a less-than-10% saturated-fat comparison.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "fat grams per day", "dietary fat", "saturated fat", "AMDR fat" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fat-intake-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This estimate does not address fat quality, medical conditions, or individualized nutrition needs.", "urls": { "page": "/calculator/fat-intake-calculator/", "definition": "/calculator/fat-intake-calculator/definition.json", "schema": "/calculator/fat-intake-calculator/schema.json", "llms": "/calculator/fat-intake-calculator/llms.txt", "legacyDefinition": "/calculator/fat-intake-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fat-intake-calculator/?unitSystem=metric&sex=male&age=30&formula=mifflin&weightKg=70&heightCm=175&activity=moderate&fatPercent=30", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "formula": { "label": "BMR equation", "type": "select", "required": true, "default": "mifflin" }, "bodyFatPercent": { "label": "Body fat", "type": "percent", "required": true, "default": 20, "showWhen": { "field": "formula", "equals": "katch" } }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "activity": { "label": "Activity level", "type": "select", "required": true, "default": "moderate" }, "fatPercent": { "label": "Target fat share", "type": "percent", "required": true, "default": 30 } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 18, "max": 100, "step": 1, "suffix": "years", "width": "half" }, { "id": "formula", "label": "BMR equation", "type": "select", "required": true, "defaultValue": "mifflin", "options": [ { "label": "Mifflin–St Jeor", "value": "mifflin" }, { "label": "Revised Harris–Benedict", "value": "harris" }, { "label": "Katch–McArdle", "value": "katch" } ], "width": "full" }, { "id": "bodyFatPercent", "label": "Body fat", "type": "percent", "required": true, "defaultValue": 20, "min": 1, "max": 79, "step": 0.1, "suffix": "%", "showWhen": { "field": "formula", "equals": "katch" }, "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "activity", "label": "Activity level", "type": "select", "required": true, "defaultValue": "moderate", "options": [ { "label": "Sedentary", "value": "sedentary" }, { "label": "Light activity", "value": "light" }, { "label": "Moderate activity", "value": "moderate" }, { "label": "Active", "value": "active" }, { "label": "Very active", "value": "veryActive" }, { "label": "Extra active", "value": "extraActive" } ], "width": "full" }, { "id": "fatPercent", "label": "Target fat share", "type": "percent", "required": true, "defaultValue": 30, "min": 5, "max": 60, "step": 1, "suffix": "% of calories", "width": "full" } ], "outputs": [ { "id": "targetFat", "label": "Target total fat", "format": "number", "primary": true, "digits": 0, "suffix": " g/day" }, { "id": "referenceRange", "label": "20–35% reference range", "format": "text" }, { "id": "saturatedLimit", "label": "Less-than-10% saturated-fat comparison", "format": "number", "digits": 0, "suffix": " g/day" }, { "id": "calories", "label": "Estimated daily energy", "format": "number", "digits": 0, "suffix": " kcal/day" } ], "formula": { "expression": "Fat grams = calories × fat-energy share ÷ 9; saturated-fat comparison = calories × 10% ÷ 9." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "formula": "mifflin", "bodyFatPercent": 20, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "activity": "moderate", "fatPercent": 30 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/fat-intake-calculator.html" }, { "label": "Dietary Guidelines for Americans", "url": "https://www.dietaryguidelines.gov/" } ] }, { "id": "gestation-calculator", "version": "1.0.0", "name": "Gestation Calculator", "shortName": "Gestation", "description": "Estimate an animal due date or breeding date from a typical gestation period.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "gestation", "calculator", "gestation calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gestation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This educational estimate does not replace veterinary care. Gestation varies by animal, breed, litter, and health.", "urls": { "page": "/calculator/gestation-calculator/", "definition": "/calculator/gestation-calculator/definition.json", "schema": "/calculator/gestation-calculator/schema.json", "llms": "/calculator/gestation-calculator/llms.txt", "legacyDefinition": "/calculator/gestation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gestation-calculator/?animal=cow&mode=due&date=2026-09-01&customDays=150", "queryParameters": { "animal": { "label": "Animal", "type": "select", "required": true, "default": "cow" }, "mode": { "label": "Calculate", "type": "select", "required": true, "default": "due" }, "date": { "label": "Known date", "type": "date", "required": true, "default": "2026-09-01" }, "customDays": { "label": "Custom gestation period (days)", "type": "number", "required": true, "default": 150 } }, "inputs": [ { "id": "animal", "label": "Animal", "type": "select", "required": true, "defaultValue": "cow", "options": [ { "label": "Cow / cattle", "value": "cow" }, { "label": "Pig / swine", "value": "pig" }, { "label": "Sheep", "value": "sheep" }, { "label": "Goat", "value": "goat" }, { "label": "Horse", "value": "horse" }, { "label": "Chicken", "value": "chicken" }, { "label": "Quail", "value": "quail" }, { "label": "Dog", "value": "dog" }, { "label": "Cat", "value": "cat" }, { "label": "Rabbit", "value": "rabbit" }, { "label": "Guinea pig", "value": "guineaPig" }, { "label": "Hamster", "value": "hamster" }, { "label": "Ferret", "value": "ferret" }, { "label": "Elephant", "value": "elephant" }, { "label": "Custom", "value": "custom" } ] }, { "id": "mode", "label": "Calculate", "type": "select", "required": true, "defaultValue": "due", "options": [ { "label": "Due date from breeding date", "value": "due" }, { "label": "Breeding date from due date", "value": "breeding" } ] }, { "id": "date", "label": "Known date", "type": "date", "required": true, "defaultValue": "2026-09-01" }, { "id": "customDays", "label": "Custom gestation period (days)", "type": "number", "required": true, "defaultValue": 150, "min": 1, "max": 1000, "step": 1 } ], "outputs": [ { "id": "resultDate", "label": "Estimated date", "format": "date", "primary": true }, { "id": "gestationDays", "label": "Gestation period", "format": "integer", "suffix": " days" }, { "id": "gestationWeeks", "label": "Approximate weeks", "format": "number", "digits": 2 } ], "formula": { "expression": "due date = breeding date + gestation days; breeding date = due date − gestation days" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "animal": "cow", "mode": "due", "date": "2026-09-01", "customDays": 150 } } ], "sources": [] }, { "id": "gfr-calculator", "version": "2.0.0", "name": "GFR Calculator", "shortName": "eGFR", "description": "Estimate race-free kidney filtration with the 2021 CKD-EPI creatinine equation for adults or the CKiD U25 creatinine equation for ages 1–25.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "eGFR", "glomerular filtration rate", "CKD-EPI 2021", "CKiD U25", "kidney function", "race-free equation" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gfr-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "eGFR is an estimate, not a diagnosis. Kidney assessment depends on trends, albuminuria, clinical context, and appropriately standardized laboratory measurements.", "urls": { "page": "/calculator/gfr-calculator/", "definition": "/calculator/gfr-calculator/definition.json", "schema": "/calculator/gfr-calculator/schema.json", "llms": "/calculator/gfr-calculator/llms.txt", "legacyDefinition": "/calculator/gfr-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gfr-calculator/?ageGroup=adult&age=50&sex=male&creatinineUnit=mgdl&creatinine=1", "queryParameters": { "ageGroup": { "label": "Equation population", "type": "select", "required": true, "default": "adult" }, "age": { "label": "Age", "type": "number", "required": true, "default": 50 }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "creatinineUnit": { "label": "Serum creatinine unit", "type": "select", "required": true, "default": "mgdl" }, "creatinine": { "label": "Serum creatinine", "type": "number", "required": true, "default": 1 }, "heightCm": { "label": "Height for CKiD U25", "type": "number", "required": true, "default": 140, "showWhen": { "field": "ageGroup", "equals": "pediatric" } } }, "inputs": [ { "id": "ageGroup", "label": "Equation population", "type": "select", "required": true, "defaultValue": "adult", "options": [ { "label": "Adult age 18 or older: 2021 CKD-EPI creatinine", "value": "adult" }, { "label": "Age 1–25: CKiD U25 creatinine", "value": "pediatric" } ], "width": "full" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 50, "min": 1, "max": 120, "step": 0.1, "suffix": "years", "width": "half" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "creatinineUnit", "label": "Serum creatinine unit", "type": "select", "required": true, "defaultValue": "mgdl", "options": [ { "label": "mg/dL", "value": "mgdl" }, { "label": "µmol/L", "value": "umol" } ], "width": "half" }, { "id": "creatinine", "label": "Serum creatinine", "type": "number", "required": true, "defaultValue": 1, "min": 0.05, "max": 3000, "step": 0.01, "width": "half" }, { "id": "heightCm", "label": "Height for CKiD U25", "type": "number", "required": true, "defaultValue": 140, "min": 40, "max": 250, "step": 0.1, "suffix": "cm", "showWhen": { "field": "ageGroup", "equals": "pediatric" }, "width": "full" } ], "outputs": [ { "id": "egfr", "label": "Estimated GFR", "format": "number", "primary": true, "digits": 1, "suffix": " mL/min/1.73 m²" }, { "id": "category", "label": "GFR category", "format": "text" }, { "id": "equation", "label": "Equation used", "format": "text" }, { "id": "creatinineMgDl", "label": "Creatinine used", "format": "number", "digits": 3, "suffix": " mg/dL" }, { "id": "interpretation", "label": "Interpretation note", "format": "text" } ], "formula": { "expression": "Adult 2021 CKD-EPI: 142×min(SCr/κ,1)^α×max(SCr/κ,1)^−1.200×0.9938^age×1.012 if female; CKiD U25: κ(age,sex)×height(m)/SCr." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ageGroup": "adult", "age": 50, "sex": "male", "creatinineUnit": "mgdl", "creatinine": 1, "heightCm": 140 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/gfr-calculator.html" }, { "label": "NIDDK adult eGFR equations", "url": "https://www.niddk.nih.gov/research-funding/research-programs/kidney-clinical-research-epidemiology/laboratory/glomerular-filtration-rate-equations/adults" }, { "label": "NIDDK pediatric and young-adult eGFR equations", "url": "https://www.niddk.nih.gov/research-funding/research-programs/kidney-clinical-research-epidemiology/laboratory/glomerular-filtration-rate-equations/children-adolescents-young-adults" } ] }, { "id": "healthy-weight-calculator", "version": "2.0.0", "name": "Healthy Weight Calculator", "shortName": "Healthy Weight", "description": "Calculate the adult weight interval corresponding to BMI 18.5 through 24.9 and compare adjacent BMI categories.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "healthy weight range", "BMI weight range", "weight for height", "normal BMI" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/healthy-weight-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This is an adult BMI screening range, not a personalized target or diagnosis.", "urls": { "page": "/calculator/healthy-weight-calculator/", "definition": "/calculator/healthy-weight-calculator/definition.json", "schema": "/calculator/healthy-weight-calculator/schema.json", "llms": "/calculator/healthy-weight-calculator/llms.txt", "legacyDefinition": "/calculator/healthy-weight-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/healthy-weight-calculator/?unitSystem=metric&heightCm=175", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" } ], "outputs": [ { "id": "healthyRange", "label": "Healthy-weight range", "format": "text", "primary": true }, { "id": "midpoint", "label": "Range midpoint", "format": "text" }, { "id": "underweightUpper", "label": "Underweight is below", "format": "text" }, { "id": "overweightStarts", "label": "Overweight starts at", "format": "text" }, { "id": "obesityStarts", "label": "Obesity starts at", "format": "text" } ], "formula": { "expression": "weight = target BMI × height², using BMI 18.5 and 24.9 for the adult healthy-weight interval." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "heightCm": 175, "feet": 5, "inches": 9 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/healthy-weight-calculator.html" }, { "label": "CDC adult BMI categories", "url": "https://www.cdc.gov/bmi/adult-calculator/bmi-categories.html" } ] }, { "id": "ideal-weight-calculator", "version": "2.0.0", "name": "Ideal Weight Calculator", "shortName": "Ideal Weight", "description": "Compare the Robinson, Miller, Devine, and Hamwi ideal-body-weight formulas and the healthy BMI weight range.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "ideal body weight", "Devine formula", "Robinson formula", "Miller formula", "Hamwi formula" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ideal-weight-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Ideal-weight formulas are historical population estimates, not personalized health targets.", "urls": { "page": "/calculator/ideal-weight-calculator/", "definition": "/calculator/ideal-weight-calculator/definition.json", "schema": "/calculator/ideal-weight-calculator/schema.json", "llms": "/calculator/ideal-weight-calculator/llms.txt", "legacyDefinition": "/calculator/ideal-weight-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ideal-weight-calculator/?unitSystem=imperial&sex=male&feet=5&inches=10", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "imperial" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 178, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 10, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "imperial", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "full" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 178, "min": 100, "max": 250, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 4, "max": 8, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" } ], "outputs": [ { "id": "average", "label": "Average formula result", "format": "text", "primary": true }, { "id": "devine", "label": "Devine formula", "format": "text" }, { "id": "robinson", "label": "Robinson formula", "format": "text" }, { "id": "miller", "label": "Miller formula", "format": "text" }, { "id": "hamwi", "label": "Hamwi formula", "format": "text" }, { "id": "healthyRange", "label": "BMI healthy-weight range", "format": "text" } ], "formula": { "expression": "Each ideal-body-weight equation starts with a sex-specific 5-foot baseline and adds a formula-specific amount for every inch above 5 feet." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "imperial", "sex": "male", "heightCm": 178, "feet": 5, "inches": 10 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/ideal-weight-calculator.html" } ] }, { "id": "lean-body-mass-calculator", "version": "2.0.0", "name": "Lean Body Mass Calculator", "shortName": "Lean Body Mass", "description": "Estimate lean body mass with Boer, James, and Hume adult equations or the Peters pediatric equation.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "lean body mass", "fat-free mass", "Boer formula", "James formula", "Hume formula", "Peters formula" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/lean-body-mass-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Lean-body-mass equations are population estimates and may be inaccurate for children, pregnancy, edema, or unusual body composition.", "urls": { "page": "/calculator/lean-body-mass-calculator/", "definition": "/calculator/lean-body-mass-calculator/definition.json", "schema": "/calculator/lean-body-mass-calculator/schema.json", "llms": "/calculator/lean-body-mass-calculator/llms.txt", "legacyDefinition": "/calculator/lean-body-mass-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/lean-body-mass-calculator/?mode=adult&unitSystem=metric&sex=male&age=30&weightKg=70&heightCm=175", "queryParameters": { "mode": { "label": "Equation group", "type": "select", "required": true, "default": "adult" }, "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "mode", "label": "Equation group", "type": "select", "required": true, "defaultValue": "adult", "options": [ { "label": "Adult formulas", "value": "adult" }, { "label": "Peters child formula", "value": "child" } ], "width": "full" }, { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 13, "max": 120, "step": 1, "suffix": "years", "width": "half" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" } ], "outputs": [ { "id": "average", "label": "Average adult estimate", "format": "text", "primary": true }, { "id": "boer", "label": "Boer estimate", "format": "text" }, { "id": "james", "label": "James estimate", "format": "text" }, { "id": "hume", "label": "Hume estimate", "format": "text" }, { "id": "peters", "label": "Peters child estimate", "format": "text" }, { "id": "leanPercent", "label": "Lean mass percentage", "format": "percent", "digits": 1 } ], "formula": { "expression": "Adult equations: Boer, James, and Hume use sex-specific weight and height coefficients; Peters estimates extracellular volume and multiplies it by 3.8." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "adult", "unitSystem": "metric", "sex": "male", "age": 30, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/lean-body-mass-calculator.html" } ] }, { "id": "anorexic-bmi-calculator", "version": "7.0.0", "name": "Low BMI Screening Calculator", "shortName": "Low BMI", "description": "Calculate adult BMI and show low-BMI screening ranges without diagnosing an eating disorder.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "anorexic", "bmi" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/anorexic-bmi-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "BMI alone cannot diagnose an eating disorder, malnutrition, or another condition. Seek qualified care for concerns about eating or weight.", "urls": { "page": "/calculator/anorexic-bmi-calculator/", "definition": "/calculator/anorexic-bmi-calculator/definition.json", "schema": "/calculator/anorexic-bmi-calculator/schema.json", "llms": "/calculator/anorexic-bmi-calculator/llms.txt", "legacyDefinition": "/calculator/anorexic-bmi-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/anorexic-bmi-calculator/?heightFt=5&heightIn=6&weight=100", "queryParameters": { "heightFt": { "label": "Height (ft)", "type": "number", "required": false, "default": 5 }, "heightIn": { "label": "Height (in)", "type": "number", "required": false, "default": 6 }, "weight": { "label": "Weight (lbs)", "type": "number", "required": false, "default": 100 } }, "inputs": [ { "id": "heightFt", "label": "Height (ft)", "type": "number", "defaultValue": 5 }, { "id": "heightIn", "label": "Height (in)", "type": "number", "defaultValue": 6 }, { "id": "weight", "label": "Weight (lbs)", "type": "number", "defaultValue": 100 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "BMI = weight in pounds ÷ height in inches² × 703; the result is mapped to adult thinness and healthy-weight screening ranges." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "heightFt": 5, "heightIn": 6, "weight": 100 } } ], "sources": [ { "label": "CDC adult BMI categories", "url": "https://www.cdc.gov/bmi/adult-calculator/bmi-categories.html" } ] }, { "id": "macro-calculator", "version": "2.0.0", "name": "Macro Calculator", "shortName": "Macros", "description": "Estimate a goal-adjusted calorie target and translate a balanced, high-protein, lower-carb, very-low-carb, or custom split into daily grams.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "macro calculator", "macronutrients", "carbohydrate protein fat", "daily macros", "calorie target" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/macro-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Macro targets are educational estimates. Medical conditions, pregnancy, eating-disorder risk, and athletic goals require individualized nutrition advice.", "urls": { "page": "/calculator/macro-calculator/", "definition": "/calculator/macro-calculator/definition.json", "schema": "/calculator/macro-calculator/schema.json", "llms": "/calculator/macro-calculator/llms.txt", "legacyDefinition": "/calculator/macro-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/macro-calculator/?unitSystem=metric&sex=male&age=30&formula=mifflin&weightKg=70&heightCm=175&activity=moderate&goal=maintain¯oPlan=balanced", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "formula": { "label": "BMR equation", "type": "select", "required": true, "default": "mifflin" }, "bodyFatPercent": { "label": "Body fat", "type": "percent", "required": true, "default": 20, "showWhen": { "field": "formula", "equals": "katch" } }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "activity": { "label": "Activity level", "type": "select", "required": true, "default": "moderate" }, "goal": { "label": "Calorie goal", "type": "select", "required": true, "default": "maintain" }, "macroPlan": { "label": "Macro split", "type": "select", "required": true, "default": "balanced" }, "carbPercent": { "label": "Custom carbohydrate share", "type": "percent", "required": true, "default": 45, "showWhen": { "field": "macroPlan", "equals": "custom" } }, "proteinPercent": { "label": "Custom protein share", "type": "percent", "required": true, "default": 25, "showWhen": { "field": "macroPlan", "equals": "custom" } }, "fatPercent": { "label": "Custom fat share", "type": "percent", "required": true, "default": 30, "showWhen": { "field": "macroPlan", "equals": "custom" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 18, "max": 100, "step": 1, "suffix": "years", "width": "half" }, { "id": "formula", "label": "BMR equation", "type": "select", "required": true, "defaultValue": "mifflin", "options": [ { "label": "Mifflin–St Jeor", "value": "mifflin" }, { "label": "Revised Harris–Benedict", "value": "harris" }, { "label": "Katch–McArdle", "value": "katch" } ], "width": "full" }, { "id": "bodyFatPercent", "label": "Body fat", "type": "percent", "required": true, "defaultValue": 20, "min": 1, "max": 79, "step": 0.1, "suffix": "%", "showWhen": { "field": "formula", "equals": "katch" }, "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "activity", "label": "Activity level", "type": "select", "required": true, "defaultValue": "moderate", "options": [ { "label": "Sedentary", "value": "sedentary" }, { "label": "Light activity", "value": "light" }, { "label": "Moderate activity", "value": "moderate" }, { "label": "Active", "value": "active" }, { "label": "Very active", "value": "veryActive" }, { "label": "Extra active", "value": "extraActive" } ], "width": "full" }, { "id": "goal", "label": "Calorie goal", "type": "select", "required": true, "defaultValue": "maintain", "options": [ { "label": "Maintain", "value": "maintain" }, { "label": "Mild loss", "value": "mildLoss" }, { "label": "Weight loss", "value": "loss" }, { "label": "Mild gain", "value": "mildGain" }, { "label": "Weight gain", "value": "gain" } ], "width": "half" }, { "id": "macroPlan", "label": "Macro split", "type": "select", "required": true, "defaultValue": "balanced", "options": [ { "label": "Balanced: 50% carbs / 20% protein / 30% fat", "value": "balanced" }, { "label": "Higher protein: 40 / 30 / 30", "value": "highProtein" }, { "label": "Lower carb: 30 / 30 / 40", "value": "lowerCarb" }, { "label": "Very low carb: 10 / 25 / 65", "value": "veryLowCarb" }, { "label": "Custom percentages", "value": "custom" } ], "width": "half" }, { "id": "carbPercent", "label": "Custom carbohydrate share", "type": "percent", "required": true, "defaultValue": 45, "min": 0, "max": 100, "step": 1, "suffix": "%", "showWhen": { "field": "macroPlan", "equals": "custom" }, "width": "full" }, { "id": "proteinPercent", "label": "Custom protein share", "type": "percent", "required": true, "defaultValue": 25, "min": 0, "max": 100, "step": 1, "suffix": "%", "showWhen": { "field": "macroPlan", "equals": "custom" }, "width": "full" }, { "id": "fatPercent", "label": "Custom fat share", "type": "percent", "required": true, "defaultValue": 30, "min": 0, "max": 100, "step": 1, "suffix": "%", "showWhen": { "field": "macroPlan", "equals": "custom" }, "width": "full" } ], "outputs": [ { "id": "calories", "label": "Daily calorie target", "format": "number", "primary": true, "digits": 0, "suffix": " kcal" }, { "id": "carbs", "label": "Carbohydrate", "format": "number", "digits": 0, "suffix": " g/day" }, { "id": "protein", "label": "Protein", "format": "number", "digits": 0, "suffix": " g/day" }, { "id": "fat", "label": "Fat", "format": "number", "digits": 0, "suffix": " g/day" }, { "id": "tdee", "label": "Maintenance estimate", "format": "number", "digits": 0, "suffix": " kcal/day" }, { "id": "split", "label": "Macro split", "format": "text" } ], "formula": { "expression": "Calories come from BMR × activity with a goal adjustment; carbohydrate and protein use 4 kcal/g and fat uses 9 kcal/g." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "formula": "mifflin", "bodyFatPercent": 20, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "activity": "moderate", "goal": "maintain", "macroPlan": "balanced", "carbPercent": 45, "proteinPercent": 25, "fatPercent": 30 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/macro-calculator.html" } ] }, { "id": "one-rep-max-calculator", "version": "2.0.0", "name": "One Rep Max Calculator", "shortName": "One Rep Max", "description": "Estimate one-repetition maximum with seven established formulas or their average and generate a percentage-based training table.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "one rep max", "1RM", "Epley", "Brzycki", "strength training percentages" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/one-rep-max-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Estimated 1RM is not a recommendation to attempt a maximal lift. Use appropriate technique, supervision, and load progression.", "urls": { "page": "/calculator/one-rep-max-calculator/", "definition": "/calculator/one-rep-max-calculator/definition.json", "schema": "/calculator/one-rep-max-calculator/schema.json", "llms": "/calculator/one-rep-max-calculator/llms.txt", "legacyDefinition": "/calculator/one-rep-max-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/one-rep-max-calculator/?unitSystem=lb&liftedWeight=135&repetitions=5&formula=average", "queryParameters": { "unitSystem": { "label": "Weight units", "type": "select", "required": true, "default": "lb" }, "liftedWeight": { "label": "Weight lifted", "type": "number", "required": true, "default": 135 }, "repetitions": { "label": "Repetitions completed", "type": "number", "required": true, "default": 5 }, "formula": { "label": "Formula", "type": "select", "required": true, "default": "average" } }, "inputs": [ { "id": "unitSystem", "label": "Weight units", "type": "select", "required": true, "defaultValue": "lb", "options": [ { "label": "Pounds", "value": "lb" }, { "label": "Kilograms", "value": "kg" } ], "width": "full" }, { "id": "liftedWeight", "label": "Weight lifted", "type": "number", "required": true, "defaultValue": 135, "min": 0.1, "max": 5000, "step": 0.5, "width": "half" }, { "id": "repetitions", "label": "Repetitions completed", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 20, "step": 1, "width": "half" }, { "id": "formula", "label": "Formula", "type": "select", "required": true, "defaultValue": "average", "options": [ { "label": "Average of formulas", "value": "average" }, { "label": "Epley", "value": "epley" }, { "label": "Brzycki", "value": "brzycki" }, { "label": "Lombardi", "value": "lombardi" }, { "label": "Lander", "value": "lander" }, { "label": "Mayhew", "value": "mayhew" }, { "label": "O’Conner", "value": "oconner" }, { "label": "Wathan", "value": "wathan" } ], "width": "full" } ], "outputs": [ { "id": "oneRepMax", "label": "Estimated one-rep max", "format": "number", "primary": true, "digits": 1 }, { "id": "epley", "label": "Epley estimate", "format": "number", "digits": 1 }, { "id": "brzycki", "label": "Brzycki estimate", "format": "number", "digits": 1 }, { "id": "formulaSpread", "label": "Formula range", "format": "text" } ], "formula": { "expression": "Examples: Epley 1RM = w(1+r/30); Brzycki 1RM = 36w/(37−r); other selected equations apply published repetition coefficients." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "lb", "liftedWeight": 135, "repetitions": 5, "formula": "average" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/one-rep-max-calculator.html" } ] }, { "id": "overweight-calculator", "version": "7.0.0", "name": "Overweight Calculator", "shortName": "Overweight", "description": "Calculate how much weight you need to lose to reach a normal BMI range.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "overweight" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/overweight-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/overweight-calculator/", "definition": "/calculator/overweight-calculator/definition.json", "schema": "/calculator/overweight-calculator/schema.json", "llms": "/calculator/overweight-calculator/llms.txt", "legacyDefinition": "/calculator/overweight-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/overweight-calculator/?heightFt=5&heightIn=10&weight=200", "queryParameters": { "heightFt": { "label": "Height (ft)", "type": "number", "required": false, "default": 5 }, "heightIn": { "label": "Height (in)", "type": "number", "required": false, "default": 10 }, "weight": { "label": "Weight (lbs)", "type": "number", "required": false, "default": 200 } }, "inputs": [ { "id": "heightFt", "label": "Height (ft)", "type": "number", "defaultValue": 5 }, { "id": "heightIn", "label": "Height (in)", "type": "number", "defaultValue": 10 }, { "id": "weight", "label": "Weight (lbs)", "type": "number", "defaultValue": 200 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "BMI = weight ÷ height² × 703; reference weight uses BMI 24.9 and difference = current weight − reference weight." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "heightFt": 5, "heightIn": 10, "weight": 200 } } ], "sources": [ { "label": "CDC adult BMI categories", "url": "https://www.cdc.gov/bmi/adult-calculator/bmi-categories.html" } ] }, { "id": "ovulation-calculator", "version": "2.0.0", "name": "Ovulation Calculator", "shortName": "Ovulation", "description": "Estimate ovulation dates and fertile windows for multiple cycles from the last period, average cycle length, and luteal phase.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "ovulation date", "fertile window", "menstrual cycle", "luteal phase" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ovulation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Calendar estimates cannot confirm ovulation and are not reliable contraception by themselves.", "urls": { "page": "/calculator/ovulation-calculator/", "definition": "/calculator/ovulation-calculator/definition.json", "schema": "/calculator/ovulation-calculator/schema.json", "llms": "/calculator/ovulation-calculator/llms.txt", "legacyDefinition": "/calculator/ovulation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ovulation-calculator/?lastPeriodDate=2026-08-01&cycleLength=28&lutealPhase=14&cycles=6", "queryParameters": { "lastPeriodDate": { "label": "First day of last period", "type": "date", "required": true, "default": "2026-08-01" }, "cycleLength": { "label": "Average cycle length", "type": "number", "required": true, "default": 28 }, "lutealPhase": { "label": "Luteal phase length", "type": "number", "required": true, "default": 14 }, "cycles": { "label": "Cycles to forecast", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "lastPeriodDate", "label": "First day of last period", "type": "date", "required": true, "defaultValue": "2026-08-01", "width": "full" }, { "id": "cycleLength", "label": "Average cycle length", "type": "number", "required": true, "defaultValue": 28, "min": 20, "max": 45, "step": 1, "suffix": "days", "width": "half" }, { "id": "lutealPhase", "label": "Luteal phase length", "type": "number", "required": true, "defaultValue": 14, "min": 8, "max": 20, "step": 1, "suffix": "days", "width": "half" }, { "id": "cycles", "label": "Cycles to forecast", "type": "number", "required": true, "defaultValue": 6, "min": 1, "max": 24, "step": 1, "width": "full" } ], "outputs": [ { "id": "nextOvulation", "label": "Estimated next ovulation", "format": "date", "primary": true }, { "id": "fertileWindow", "label": "Estimated fertile window", "format": "text" }, { "id": "nextPeriod", "label": "Estimated next period", "format": "date" }, { "id": "bestDays", "label": "Highest-probability days", "format": "text" } ], "formula": { "expression": "Estimated ovulation = next period start − luteal-phase length; fertile window = ovulation − 5 days through ovulation + 1 day." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "lastPeriodDate": "2026-08-01", "cycleLength": 28, "lutealPhase": 14, "cycles": 6 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/ovulation-calculator.html" } ] }, { "id": "pace-calculator", "version": "2.0.0", "name": "Pace Calculator", "shortName": "Pace", "description": "Calculate pace, elapsed time, or distance and generate cumulative split estimates in kilometers, miles, meters, or yards.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "running pace", "race pace", "time distance pace", "minutes per mile", "minutes per kilometer" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pace-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Race projections assume a constant pace and do not account for terrain, fatigue, weather, or stops.", "urls": { "page": "/calculator/pace-calculator/", "definition": "/calculator/pace-calculator/definition.json", "schema": "/calculator/pace-calculator/schema.json", "llms": "/calculator/pace-calculator/llms.txt", "legacyDefinition": "/calculator/pace-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pace-calculator/?solveFor=pace&distanceUnit=km&distance=5&hours=0&minutes=25&seconds=0&paceMinutes=5&paceSeconds=0", "queryParameters": { "solveFor": { "label": "Calculate", "type": "select", "required": true, "default": "pace" }, "distanceUnit": { "label": "Distance unit", "type": "select", "required": true, "default": "km" }, "distance": { "label": "Distance", "type": "number", "required": true, "default": 5 }, "hours": { "label": "Elapsed time: hours", "type": "number", "required": true, "default": 0 }, "minutes": { "label": "Elapsed time: minutes", "type": "number", "required": true, "default": 25 }, "seconds": { "label": "Elapsed time: seconds", "type": "number", "required": true, "default": 0 }, "paceMinutes": { "label": "Pace: minutes per selected unit", "type": "number", "required": true, "default": 5 }, "paceSeconds": { "label": "Pace: seconds per selected unit", "type": "number", "required": true, "default": 0 } }, "inputs": [ { "id": "solveFor", "label": "Calculate", "type": "select", "required": true, "defaultValue": "pace", "options": [ { "label": "Pace", "value": "pace" }, { "label": "Time", "value": "time" }, { "label": "Distance", "value": "distance" } ], "width": "full" }, { "id": "distanceUnit", "label": "Distance unit", "type": "select", "required": true, "defaultValue": "km", "options": [ { "label": "Kilometers", "value": "km" }, { "label": "Miles", "value": "mi" }, { "label": "Meters", "value": "m" }, { "label": "Yards", "value": "yd" } ], "width": "full" }, { "id": "distance", "label": "Distance", "type": "number", "required": true, "defaultValue": 5, "min": 0.001, "max": 100000, "step": 0.01, "width": "full", "help": "Used when calculating pace or time." }, { "id": "hours", "label": "Elapsed time: hours", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 999, "step": 1, "width": "half" }, { "id": "minutes", "label": "Elapsed time: minutes", "type": "number", "required": true, "defaultValue": 25, "min": 0, "max": 59, "step": 1, "width": "half" }, { "id": "seconds", "label": "Elapsed time: seconds", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 59.99, "step": 0.01, "width": "full" }, { "id": "paceMinutes", "label": "Pace: minutes per selected unit", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 999, "step": 1, "width": "half" }, { "id": "paceSeconds", "label": "Pace: seconds per selected unit", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 59.99, "step": 0.01, "width": "half" } ], "outputs": [ { "id": "pace", "label": "Pace", "format": "text", "primary": true }, { "id": "time", "label": "Elapsed time", "format": "text" }, { "id": "distanceResult", "label": "Distance", "format": "text" }, { "id": "speedKph", "label": "Speed", "format": "number", "digits": 2, "suffix": " km/h" }, { "id": "speedMph", "label": "Speed", "format": "number", "digits": 2, "suffix": " mph" }, { "id": "marathonTime", "label": "Marathon time at this pace", "format": "text" } ], "formula": { "expression": "pace = time ÷ distance; time = pace × distance; distance = time ÷ pace, after converting to one consistent distance unit." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "pace", "distanceUnit": "km", "distance": 5, "hours": 0, "minutes": 25, "seconds": 0, "paceMinutes": 5, "paceSeconds": 0 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/pace-calculator.html" } ] }, { "id": "period-calculator", "version": "2.0.0", "name": "Period Calculator", "shortName": "Period", "description": "Forecast period start and end dates, estimated ovulation, and fertile windows for multiple cycles.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "period tracker", "menstrual calendar", "next period", "cycle forecast" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/period-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Calendar predictions are estimates and are not a diagnosis or reliable contraception method.", "urls": { "page": "/calculator/period-calculator/", "definition": "/calculator/period-calculator/definition.json", "schema": "/calculator/period-calculator/schema.json", "llms": "/calculator/period-calculator/llms.txt", "legacyDefinition": "/calculator/period-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/period-calculator/?lastPeriodDate=2026-08-01&periodLength=5&cycleLength=28&lutealPhase=14&cycles=6", "queryParameters": { "lastPeriodDate": { "label": "First day of last period", "type": "date", "required": true, "default": "2026-08-01" }, "periodLength": { "label": "Typical period length", "type": "number", "required": true, "default": 5 }, "cycleLength": { "label": "Average cycle length", "type": "number", "required": true, "default": 28 }, "lutealPhase": { "label": "Luteal phase length", "type": "number", "required": true, "default": 14 }, "cycles": { "label": "Cycles to forecast", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "lastPeriodDate", "label": "First day of last period", "type": "date", "required": true, "defaultValue": "2026-08-01", "width": "full" }, { "id": "periodLength", "label": "Typical period length", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 14, "step": 1, "suffix": "days", "width": "half" }, { "id": "cycleLength", "label": "Average cycle length", "type": "number", "required": true, "defaultValue": 28, "min": 20, "max": 45, "step": 1, "suffix": "days", "width": "half" }, { "id": "lutealPhase", "label": "Luteal phase length", "type": "number", "required": true, "defaultValue": 14, "min": 8, "max": 20, "step": 1, "suffix": "days", "width": "half" }, { "id": "cycles", "label": "Cycles to forecast", "type": "number", "required": true, "defaultValue": 6, "min": 1, "max": 24, "step": 1, "width": "half" } ], "outputs": [ { "id": "nextPeriod", "label": "Estimated next period", "format": "date", "primary": true }, { "id": "nextPeriodEnd", "label": "Estimated period end", "format": "date" }, { "id": "nextOvulation", "label": "Estimated ovulation", "format": "date" }, { "id": "fertileWindow", "label": "Estimated fertile window", "format": "text" } ], "formula": { "expression": "Next period = last period + average cycle length; estimated end = start + period length − 1; ovulation ≈ next period − luteal phase." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "lastPeriodDate": "2026-08-01", "periodLength": 5, "cycleLength": 28, "lutealPhase": 14, "cycles": 6 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/period-calculator.html" } ] }, { "id": "pregnancy-calculator", "version": "2.0.0", "name": "Pregnancy Calculator", "shortName": "Pregnancy", "description": "Estimate due date, conception date, gestational age, trimester, term window, and pregnancy milestones from five dating methods.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "pregnancy timeline", "gestational age", "due date", "trimester", "IVF due date", "ultrasound dating" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pregnancy-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Pregnancy dates are estimates. Ultrasound interpretation and clinical dating should be confirmed by an obstetric professional.", "urls": { "page": "/calculator/pregnancy-calculator/", "definition": "/calculator/pregnancy-calculator/definition.json", "schema": "/calculator/pregnancy-calculator/schema.json", "llms": "/calculator/pregnancy-calculator/llms.txt", "legacyDefinition": "/calculator/pregnancy-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pregnancy-calculator/?method=lmp&lmpDate=2026-06-01&cycleLength=28", "queryParameters": { "method": { "label": "Dating method", "type": "select", "required": true, "default": "lmp" }, "dueDate": { "label": "Known due date", "type": "date", "required": true, "default": "2027-03-08", "showWhen": { "field": "method", "equals": "due" } }, "lmpDate": { "label": "First day of last menstrual period", "type": "date", "required": true, "default": "2026-06-01", "showWhen": { "field": "method", "equals": "lmp" } }, "cycleLength": { "label": "Average cycle length", "type": "number", "required": true, "default": 28, "showWhen": { "field": "method", "equals": "lmp" } }, "conceptionDate": { "label": "Known conception date", "type": "date", "required": true, "default": "2026-06-15", "showWhen": { "field": "method", "equals": "conception" } }, "ultrasoundDate": { "label": "Ultrasound date", "type": "date", "required": true, "default": "2026-08-24", "showWhen": { "field": "method", "equals": "ultrasound" } }, "ultrasoundWeeks": { "label": "Gestational age at ultrasound: weeks", "type": "number", "required": true, "default": 12, "showWhen": { "field": "method", "equals": "ultrasound" } }, "ultrasoundDays": { "label": "Additional days", "type": "number", "required": true, "default": 0, "showWhen": { "field": "method", "equals": "ultrasound" } }, "transferDate": { "label": "Embryo transfer date", "type": "date", "required": true, "default": "2026-06-20", "showWhen": { "field": "method", "equals": "ivf" } }, "embryoAgeDays": { "label": "Embryo age at transfer", "type": "select", "required": true, "default": 5, "showWhen": { "field": "method", "equals": "ivf" } }, "asOfDate": { "label": "Calculate pregnancy progress as of", "type": "date", "required": true } }, "inputs": [ { "id": "method", "label": "Dating method", "type": "select", "required": true, "defaultValue": "lmp", "options": [ { "label": "Known due date", "value": "due" }, { "label": "Last menstrual period", "value": "lmp" }, { "label": "Conception date", "value": "conception" }, { "label": "Ultrasound dating", "value": "ultrasound" }, { "label": "IVF embryo transfer", "value": "ivf" } ], "width": "full" }, { "id": "dueDate", "label": "Known due date", "type": "date", "required": true, "defaultValue": "2027-03-08", "showWhen": { "field": "method", "equals": "due" }, "width": "full" }, { "id": "lmpDate", "label": "First day of last menstrual period", "type": "date", "required": true, "defaultValue": "2026-06-01", "showWhen": { "field": "method", "equals": "lmp" }, "width": "full" }, { "id": "cycleLength", "label": "Average cycle length", "type": "number", "required": true, "defaultValue": 28, "min": 20, "max": 45, "step": 1, "suffix": "days", "showWhen": { "field": "method", "equals": "lmp" }, "width": "full" }, { "id": "conceptionDate", "label": "Known conception date", "type": "date", "required": true, "defaultValue": "2026-06-15", "showWhen": { "field": "method", "equals": "conception" }, "width": "full" }, { "id": "ultrasoundDate", "label": "Ultrasound date", "type": "date", "required": true, "defaultValue": "2026-08-24", "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "full" }, { "id": "ultrasoundWeeks", "label": "Gestational age at ultrasound: weeks", "type": "number", "required": true, "defaultValue": 12, "min": 0, "max": 42, "step": 1, "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "half" }, { "id": "ultrasoundDays", "label": "Additional days", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 6, "step": 1, "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "half" }, { "id": "transferDate", "label": "Embryo transfer date", "type": "date", "required": true, "defaultValue": "2026-06-20", "showWhen": { "field": "method", "equals": "ivf" }, "width": "half" }, { "id": "embryoAgeDays", "label": "Embryo age at transfer", "type": "select", "required": true, "defaultValue": 5, "options": [ { "label": "Day 3 embryo", "value": 3 }, { "label": "Day 5 embryo", "value": 5 }, { "label": "Day 6 embryo", "value": 6 } ], "showWhen": { "field": "method", "equals": "ivf" }, "width": "half" }, { "id": "asOfDate", "label": "Calculate pregnancy progress as of", "type": "date", "required": true, "defaultToday": true, "width": "full" } ], "outputs": [ { "id": "dueDateResult", "label": "Estimated due date", "format": "date", "primary": true }, { "id": "gestationalAge", "label": "Gestational age", "format": "text" }, { "id": "trimester", "label": "Trimester", "format": "text" }, { "id": "conceptionDateResult", "label": "Estimated conception date", "format": "date" }, { "id": "lmpDateResult", "label": "Estimated LMP date", "format": "date" }, { "id": "daysRemaining", "label": "Days until estimated due date", "format": "integer" }, { "id": "termWindow", "label": "Estimated term window", "format": "text" } ], "formula": { "expression": "LMP due date = LMP + 280 days + cycle adjustment; conception = due − 266 days; ultrasound and IVF modes subtract measured gestational or embryo age from 266–280 days." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "method": "lmp", "dueDate": "2027-03-08", "lmpDate": "2026-06-01", "cycleLength": 28, "conceptionDate": "2026-06-15", "ultrasoundDate": "2026-08-24", "ultrasoundWeeks": 12, "ultrasoundDays": 0, "transferDate": "2026-06-20", "embryoAgeDays": 5 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/pregnancy-calculator.html" }, { "label": "ACOG methods for estimating due date", "url": "https://www.acog.org/clinical/clinical-guidance/committee-opinion/articles/2017/05/methods-for-estimating-the-due-date" } ] }, { "id": "pregnancy-conception-calculator", "version": "2.0.0", "name": "Pregnancy Conception Calculator", "shortName": "Pregnancy Conception", "description": "Back-calculate an estimated conception date and possible intercourse window from a due date, LMP, ultrasound, conception record, or IVF transfer.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "pregnancy conception date", "when conceived", "intercourse window", "due date conception" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pregnancy-conception-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Conception cannot usually be identified to one exact day from calendar dates alone. Clinical and assisted-reproduction records may be more precise.", "urls": { "page": "/calculator/pregnancy-conception-calculator/", "definition": "/calculator/pregnancy-conception-calculator/definition.json", "schema": "/calculator/pregnancy-conception-calculator/schema.json", "llms": "/calculator/pregnancy-conception-calculator/llms.txt", "legacyDefinition": "/calculator/pregnancy-conception-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pregnancy-conception-calculator/?method=due&dueDate=2027-03-08", "queryParameters": { "method": { "label": "Dating method", "type": "select", "required": true, "default": "due" }, "dueDate": { "label": "Known due date", "type": "date", "required": true, "default": "2027-03-08", "showWhen": { "field": "method", "equals": "due" } }, "lmpDate": { "label": "First day of last menstrual period", "type": "date", "required": true, "default": "2026-06-01", "showWhen": { "field": "method", "equals": "lmp" } }, "cycleLength": { "label": "Average cycle length", "type": "number", "required": true, "default": 28, "showWhen": { "field": "method", "equals": "lmp" } }, "conceptionDate": { "label": "Known conception date", "type": "date", "required": true, "default": "2026-06-15", "showWhen": { "field": "method", "equals": "conception" } }, "ultrasoundDate": { "label": "Ultrasound date", "type": "date", "required": true, "default": "2026-08-24", "showWhen": { "field": "method", "equals": "ultrasound" } }, "ultrasoundWeeks": { "label": "Gestational age at ultrasound: weeks", "type": "number", "required": true, "default": 12, "showWhen": { "field": "method", "equals": "ultrasound" } }, "ultrasoundDays": { "label": "Additional days", "type": "number", "required": true, "default": 0, "showWhen": { "field": "method", "equals": "ultrasound" } }, "transferDate": { "label": "Embryo transfer date", "type": "date", "required": true, "default": "2026-06-20", "showWhen": { "field": "method", "equals": "ivf" } }, "embryoAgeDays": { "label": "Embryo age at transfer", "type": "select", "required": true, "default": 5, "showWhen": { "field": "method", "equals": "ivf" } } }, "inputs": [ { "id": "method", "label": "Dating method", "type": "select", "required": true, "defaultValue": "due", "options": [ { "label": "Known due date", "value": "due" }, { "label": "Last menstrual period", "value": "lmp" }, { "label": "Conception date", "value": "conception" }, { "label": "Ultrasound dating", "value": "ultrasound" }, { "label": "IVF embryo transfer", "value": "ivf" } ], "width": "full" }, { "id": "dueDate", "label": "Known due date", "type": "date", "required": true, "defaultValue": "2027-03-08", "showWhen": { "field": "method", "equals": "due" }, "width": "full" }, { "id": "lmpDate", "label": "First day of last menstrual period", "type": "date", "required": true, "defaultValue": "2026-06-01", "showWhen": { "field": "method", "equals": "lmp" }, "width": "full" }, { "id": "cycleLength", "label": "Average cycle length", "type": "number", "required": true, "defaultValue": 28, "min": 20, "max": 45, "step": 1, "suffix": "days", "showWhen": { "field": "method", "equals": "lmp" }, "width": "full" }, { "id": "conceptionDate", "label": "Known conception date", "type": "date", "required": true, "defaultValue": "2026-06-15", "showWhen": { "field": "method", "equals": "conception" }, "width": "full" }, { "id": "ultrasoundDate", "label": "Ultrasound date", "type": "date", "required": true, "defaultValue": "2026-08-24", "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "full" }, { "id": "ultrasoundWeeks", "label": "Gestational age at ultrasound: weeks", "type": "number", "required": true, "defaultValue": 12, "min": 0, "max": 42, "step": 1, "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "half" }, { "id": "ultrasoundDays", "label": "Additional days", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 6, "step": 1, "showWhen": { "field": "method", "equals": "ultrasound" }, "width": "half" }, { "id": "transferDate", "label": "Embryo transfer date", "type": "date", "required": true, "defaultValue": "2026-06-20", "showWhen": { "field": "method", "equals": "ivf" }, "width": "half" }, { "id": "embryoAgeDays", "label": "Embryo age at transfer", "type": "select", "required": true, "defaultValue": 5, "options": [ { "label": "Day 3 embryo", "value": 3 }, { "label": "Day 5 embryo", "value": 5 }, { "label": "Day 6 embryo", "value": 6 } ], "showWhen": { "field": "method", "equals": "ivf" }, "width": "half" } ], "outputs": [ { "id": "conceptionDateResult", "label": "Estimated conception date", "format": "date", "primary": true }, { "id": "possibleWindow", "label": "Possible intercourse window", "format": "text" }, { "id": "dueDateResult", "label": "Estimated due date", "format": "date" }, { "id": "lmpDateResult", "label": "Estimated LMP date", "format": "date" }, { "id": "methodResult", "label": "Method used", "format": "text" } ], "formula": { "expression": "Estimated conception = due date − 266 days; possible intercourse window spans approximately five days before through one day after estimated ovulation/conception." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "method": "due", "dueDate": "2027-03-08", "lmpDate": "2026-06-01", "cycleLength": 28, "conceptionDate": "2026-06-15", "ultrasoundDate": "2026-08-24", "ultrasoundWeeks": 12, "ultrasoundDays": 0, "transferDate": "2026-06-20", "embryoAgeDays": 5 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/pregnancy-conception-calculator.html" }, { "label": "ACOG methods for estimating due date", "url": "https://www.acog.org/clinical/clinical-guidance/committee-opinion/articles/2017/05/methods-for-estimating-the-due-date" } ] }, { "id": "pregnancy-weight-gain-calculator", "version": "2.0.0", "name": "Pregnancy Weight Gain Calculator", "shortName": "Pregnancy Weight Gain", "description": "Compare current pregnancy weight gain with BMI- and pregnancy-type-based total and week-by-week reference ranges.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "pregnancy weight gain", "IOM weight gain", "gestational weight", "twin pregnancy weight gain" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pregnancy-weight-gain-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Pregnancy weight goals are individualized. Use prenatal-care guidance, especially for twins, significant symptoms, or rapid weight change.", "urls": { "page": "/calculator/pregnancy-weight-gain-calculator/", "definition": "/calculator/pregnancy-weight-gain-calculator/definition.json", "schema": "/calculator/pregnancy-weight-gain-calculator/schema.json", "llms": "/calculator/pregnancy-weight-gain-calculator/llms.txt", "legacyDefinition": "/calculator/pregnancy-weight-gain-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pregnancy-weight-gain-calculator/?unitSystem=imperial&pregnancyType=singleton&gestationalWeek=20&preWeightLb=141¤tWeightLb=152&feet=5&inches=5", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "imperial" }, "pregnancyType": { "label": "Pregnancy type", "type": "select", "required": true, "default": "singleton" }, "gestationalWeek": { "label": "Current gestational week", "type": "number", "required": true, "default": 20 }, "preWeightKg": { "label": "Pre-pregnancy weight", "type": "number", "required": true, "default": 64, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "currentWeightKg": { "label": "Current weight", "type": "number", "required": true, "default": 69, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 165, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "preWeightLb": { "label": "Pre-pregnancy weight", "type": "number", "required": true, "default": 141, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "currentWeightLb": { "label": "Current weight", "type": "number", "required": true, "default": 152, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "imperial", "options": [ { "label": "Pounds and inches", "value": "imperial" }, { "label": "Kilograms and centimeters", "value": "metric" } ], "width": "full" }, { "id": "pregnancyType", "label": "Pregnancy type", "type": "select", "required": true, "defaultValue": "singleton", "options": [ { "label": "One baby", "value": "singleton" }, { "label": "Twins", "value": "twins" } ], "width": "full" }, { "id": "gestationalWeek", "label": "Current gestational week", "type": "number", "required": true, "defaultValue": 20, "min": 0, "max": 42, "step": 1, "width": "full" }, { "id": "preWeightKg", "label": "Pre-pregnancy weight", "type": "number", "required": true, "defaultValue": 64, "min": 25, "max": 300, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "currentWeightKg", "label": "Current weight", "type": "number", "required": true, "defaultValue": 69, "min": 25, "max": 350, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 165, "min": 100, "max": 230, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "preWeightLb", "label": "Pre-pregnancy weight", "type": "number", "required": true, "defaultValue": 141, "min": 55, "max": 660, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "currentWeightLb", "label": "Current weight", "type": "number", "required": true, "defaultValue": 152, "min": 55, "max": 770, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 3, "max": 8, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" } ], "outputs": [ { "id": "currentGain", "label": "Current weight gain", "format": "text", "primary": true }, { "id": "expectedByWeek", "label": "Reference gain by current week", "format": "text" }, { "id": "totalRange", "label": "Reference total gain", "format": "text" }, { "id": "status", "label": "Comparison", "format": "text" }, { "id": "prePregnancyBmi", "label": "Pre-pregnancy BMI", "format": "number", "digits": 1 }, { "id": "bmiCategory", "label": "Pre-pregnancy BMI category", "format": "text" } ], "formula": { "expression": "Reference ranges depend on pre-pregnancy BMI and singleton or twin pregnancy; expected-to-date gain interpolates first-trimester gain and later weekly rates." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "imperial", "pregnancyType": "singleton", "gestationalWeek": 20, "preWeightKg": 64, "currentWeightKg": 69, "heightCm": 165, "preWeightLb": 141, "currentWeightLb": 152, "feet": 5, "inches": 5 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/pregnancy-weight-gain-calculator.html" }, { "label": "CDC pregnancy weight gain guidance", "url": "https://www.cdc.gov/maternal-infant-health/pregnancy-weight/index.html" } ] }, { "id": "protein-calculator", "version": "2.0.0", "name": "Protein Calculator", "shortName": "Protein", "description": "Estimate a weight-based daily protein range for general adult, older-adult, endurance, strength, calorie-deficit, or pregnancy contexts.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "protein per day", "grams per kilogram", "strength protein", "endurance protein", "pregnancy protein" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/protein-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Protein needs can change with kidney disease, pregnancy, age, training, illness, and overall energy intake. This is not individualized nutrition advice.", "urls": { "page": "/calculator/protein-calculator/", "definition": "/calculator/protein-calculator/definition.json", "schema": "/calculator/protein-calculator/schema.json", "llms": "/calculator/protein-calculator/llms.txt", "legacyDefinition": "/calculator/protein-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/protein-calculator/?unitSystem=metric&weightKg=70&scenario=general&meals=4", "queryParameters": { "unitSystem": { "label": "Weight units", "type": "select", "required": true, "default": "metric" }, "weightKg": { "label": "Body weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Body weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "scenario": { "label": "Activity or life-stage reference", "type": "select", "required": true, "default": "general" }, "meals": { "label": "Meals or feedings per day", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "unitSystem", "label": "Weight units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Kilograms", "value": "metric" }, { "label": "Pounds", "value": "imperial" } ], "width": "full" }, { "id": "weightKg", "label": "Body weight", "type": "number", "required": true, "defaultValue": 70, "min": 20, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "full" }, { "id": "weightLb", "label": "Body weight", "type": "number", "required": true, "defaultValue": 154, "min": 44, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "scenario", "label": "Activity or life-stage reference", "type": "select", "required": true, "defaultValue": "general", "options": [ { "label": "General healthy adult", "value": "general" }, { "label": "Older adult reference", "value": "older" }, { "label": "Endurance training", "value": "endurance" }, { "label": "Strength training", "value": "strength" }, { "label": "Calorie deficit / weight loss", "value": "weightLoss" }, { "label": "Pregnancy reference", "value": "pregnancy" } ], "width": "full" }, { "id": "meals", "label": "Meals or feedings per day", "type": "number", "required": true, "defaultValue": 4, "min": 1, "max": 10, "step": 1, "width": "full" } ], "outputs": [ { "id": "proteinRange", "label": "Estimated daily protein range", "format": "text", "primary": true }, { "id": "midpoint", "label": "Range midpoint", "format": "number", "digits": 0, "suffix": " g/day" }, { "id": "perMeal", "label": "Midpoint per meal", "format": "number", "digits": 0, "suffix": " g" }, { "id": "energyRange", "label": "Energy from protein", "format": "text" }, { "id": "factor", "label": "Weight factor", "format": "text" } ], "formula": { "expression": "Protein range = body weight (kg) × scenario-specific grams-per-kilogram interval." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "weightKg": 70, "weightLb": 154, "scenario": "general", "meals": 4 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/protein-calculator.html" } ] }, { "id": "sleep-calculator", "version": "7.0.0", "name": "Sleep Calculator", "shortName": "Sleep", "description": "Calculate the best bedtimes to wake up feeling refreshed.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "sleep" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/sleep-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/sleep-calculator/", "definition": "/calculator/sleep-calculator/definition.json", "schema": "/calculator/sleep-calculator/schema.json", "llms": "/calculator/sleep-calculator/llms.txt", "legacyDefinition": "/calculator/sleep-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/sleep-calculator/?wakeTime=07%3A00", "queryParameters": { "wakeTime": { "label": "I want to wake up at...", "type": "time", "required": false, "default": "07:00" } }, "inputs": [ { "id": "wakeTime", "label": "I want to wake up at...", "type": "time", "defaultValue": "07:00" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Wake or bed times are generated in 90-minute sleep-cycle intervals plus the entered time to fall asleep." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "wakeTime": "07:00" } } ], "sources": [] }, { "id": "target-heart-rate-calculator", "version": "2.0.0", "name": "Target Heart Rate Calculator", "shortName": "Target Heart Rate", "description": "Estimate maximum heart rate and five training zones with percentage-of-maximum or Karvonen heart-rate-reserve calculations.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "target heart rate", "heart rate zones", "Karvonen", "maximum heart rate", "training zones" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/target-heart-rate-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Heart-rate zones are estimates. Medicines, medical conditions, heat, altitude, and fitness can change a safe or appropriate range.", "urls": { "page": "/calculator/target-heart-rate-calculator/", "definition": "/calculator/target-heart-rate-calculator/definition.json", "schema": "/calculator/target-heart-rate-calculator/schema.json", "llms": "/calculator/target-heart-rate-calculator/llms.txt", "legacyDefinition": "/calculator/target-heart-rate-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/target-heart-rate-calculator/?age=35&maxMethod=estimated&formula=tanaka&useKarvonen=1&restingHeartRate=60", "queryParameters": { "age": { "label": "Age", "type": "number", "required": true, "default": 35 }, "maxMethod": { "label": "Maximum heart-rate input", "type": "select", "required": true, "default": "estimated" }, "formula": { "label": "Age-based formula", "type": "select", "required": true, "default": "tanaka", "showWhen": { "field": "maxMethod", "equals": "estimated" } }, "testedMax": { "label": "Tested maximum heart rate", "type": "number", "required": true, "default": 185, "showWhen": { "field": "maxMethod", "equals": "tested" } }, "useKarvonen": { "label": "Use resting heart rate (Karvonen method)", "type": "checkbox", "required": false, "default": true }, "restingHeartRate": { "label": "Resting heart rate", "type": "number", "required": true, "default": 60, "showWhen": { "field": "useKarvonen", "equals": true } } }, "inputs": [ { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 35, "min": 10, "max": 100, "step": 1, "suffix": "years", "width": "half" }, { "id": "maxMethod", "label": "Maximum heart-rate input", "type": "select", "required": true, "defaultValue": "estimated", "options": [ { "label": "Estimate from age", "value": "estimated" }, { "label": "Use a tested maximum", "value": "tested" } ], "width": "half" }, { "id": "formula", "label": "Age-based formula", "type": "select", "required": true, "defaultValue": "tanaka", "options": [ { "label": "Tanaka: 208 − 0.7 × age", "value": "tanaka" }, { "label": "Fox/Haskell: 220 − age", "value": "fox" }, { "label": "Nes: 211 − 0.64 × age", "value": "nes" } ], "showWhen": { "field": "maxMethod", "equals": "estimated" }, "width": "full" }, { "id": "testedMax", "label": "Tested maximum heart rate", "type": "number", "required": true, "defaultValue": 185, "min": 60, "max": 240, "step": 1, "suffix": "bpm", "showWhen": { "field": "maxMethod", "equals": "tested" }, "width": "full" }, { "id": "useKarvonen", "label": "Use resting heart rate (Karvonen method)", "type": "checkbox", "defaultValue": true, "width": "full" }, { "id": "restingHeartRate", "label": "Resting heart rate", "type": "number", "required": true, "defaultValue": 60, "min": 30, "max": 150, "step": 1, "suffix": "bpm", "showWhen": { "field": "useKarvonen", "equals": true }, "width": "full" } ], "outputs": [ { "id": "maxHeartRate", "label": "Maximum heart rate", "format": "integer", "primary": true, "suffix": " bpm" }, { "id": "zone2", "label": "Moderate zone (60–70%)", "format": "text" }, { "id": "vigorous", "label": "Vigorous range (70–85%)", "format": "text" }, { "id": "method", "label": "Zone method", "format": "text" } ], "formula": { "expression": "Age-based MHR uses the selected formula; percentage method = MHR×intensity; Karvonen = resting HR + (MHR−resting HR)×intensity." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 35, "maxMethod": "estimated", "formula": "tanaka", "testedMax": 185, "useKarvonen": true, "restingHeartRate": 60 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/target-heart-rate-calculator.html" } ] }, { "id": "tdee-calculator", "version": "2.0.0", "name": "TDEE Calculator", "shortName": "TDEE", "description": "Estimate basal metabolic rate and total daily energy expenditure with multiple BMR equations and six activity levels.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "total daily energy expenditure", "TDEE", "maintenance calories", "BMR activity factor" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/tdee-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "TDEE is an estimate. Actual energy expenditure varies day to day and cannot be measured precisely from profile data alone.", "urls": { "page": "/calculator/tdee-calculator/", "definition": "/calculator/tdee-calculator/definition.json", "schema": "/calculator/tdee-calculator/schema.json", "llms": "/calculator/tdee-calculator/llms.txt", "legacyDefinition": "/calculator/tdee-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/tdee-calculator/?unitSystem=metric&sex=male&age=30&formula=mifflin&weightKg=70&heightCm=175&activity=moderate", "queryParameters": { "unitSystem": { "label": "Units", "type": "select", "required": true, "default": "metric" }, "sex": { "label": "Sex used by equation", "type": "select", "required": true, "default": "male" }, "age": { "label": "Age", "type": "number", "required": true, "default": 30 }, "formula": { "label": "BMR equation", "type": "select", "required": true, "default": "mifflin" }, "bodyFatPercent": { "label": "Body fat", "type": "percent", "required": true, "default": 20, "showWhen": { "field": "formula", "equals": "katch" } }, "weightKg": { "label": "Weight", "type": "number", "required": true, "default": 70, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "heightCm": { "label": "Height", "type": "number", "required": true, "default": 175, "showWhen": { "field": "unitSystem", "equals": "metric" } }, "weightLb": { "label": "Weight", "type": "number", "required": true, "default": 154, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "feet": { "label": "Height feet", "type": "number", "required": true, "default": 5, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "inches": { "label": "Height inches", "type": "number", "required": true, "default": 9, "showWhen": { "field": "unitSystem", "equals": "imperial" } }, "activity": { "label": "Activity level", "type": "select", "required": true, "default": "moderate" } }, "inputs": [ { "id": "unitSystem", "label": "Units", "type": "select", "required": true, "defaultValue": "metric", "options": [ { "label": "Metric", "value": "metric" }, { "label": "Imperial", "value": "imperial" } ], "width": "full" }, { "id": "sex", "label": "Sex used by equation", "type": "select", "required": true, "defaultValue": "male", "options": [ { "label": "Male", "value": "male" }, { "label": "Female", "value": "female" } ], "width": "half" }, { "id": "age", "label": "Age", "type": "number", "required": true, "defaultValue": 30, "min": 18, "max": 100, "step": 1, "suffix": "years", "width": "half" }, { "id": "formula", "label": "BMR equation", "type": "select", "required": true, "defaultValue": "mifflin", "options": [ { "label": "Mifflin–St Jeor", "value": "mifflin" }, { "label": "Revised Harris–Benedict", "value": "harris" }, { "label": "Katch–McArdle", "value": "katch" } ], "width": "full" }, { "id": "bodyFatPercent", "label": "Body fat", "type": "percent", "required": true, "defaultValue": 20, "min": 1, "max": 79, "step": 0.1, "suffix": "%", "showWhen": { "field": "formula", "equals": "katch" }, "width": "full" }, { "id": "weightKg", "label": "Weight", "type": "number", "required": true, "defaultValue": 70, "min": 1, "max": 500, "step": 0.1, "suffix": "kg", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "heightCm", "label": "Height", "type": "number", "required": true, "defaultValue": 175, "min": 50, "max": 300, "step": 0.1, "suffix": "cm", "showWhen": { "field": "unitSystem", "equals": "metric" }, "width": "half" }, { "id": "weightLb", "label": "Weight", "type": "number", "required": true, "defaultValue": 154, "min": 2, "max": 1100, "step": 0.1, "suffix": "lb", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "full" }, { "id": "feet", "label": "Height feet", "type": "number", "required": true, "defaultValue": 5, "min": 1, "max": 9, "step": 1, "suffix": "ft", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "inches", "label": "Height inches", "type": "number", "required": true, "defaultValue": 9, "min": 0, "max": 11.9, "step": 0.1, "suffix": "in", "showWhen": { "field": "unitSystem", "equals": "imperial" }, "width": "half" }, { "id": "activity", "label": "Activity level", "type": "select", "required": true, "defaultValue": "moderate", "options": [ { "label": "Sedentary", "value": "sedentary" }, { "label": "Light activity", "value": "light" }, { "label": "Moderate activity", "value": "moderate" }, { "label": "Active", "value": "active" }, { "label": "Very active", "value": "veryActive" }, { "label": "Extra active", "value": "extraActive" } ], "width": "full" } ], "outputs": [ { "id": "tdee", "label": "Estimated TDEE", "format": "number", "primary": true, "digits": 0, "suffix": " kcal/day" }, { "id": "bmr", "label": "Estimated BMR", "format": "number", "digits": 0, "suffix": " kcal/day" }, { "id": "weeklyEnergy", "label": "Estimated weekly expenditure", "format": "number", "digits": 0, "suffix": " kcal/week" }, { "id": "activityFactorResult", "label": "Activity multiplier", "format": "number", "digits": 3 }, { "id": "equation", "label": "Equation used", "format": "text" } ], "formula": { "expression": "TDEE = estimated BMR × selected activity multiplier." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unitSystem": "metric", "sex": "male", "age": 30, "formula": "mifflin", "bodyFatPercent": 20, "weightKg": 70, "heightCm": 175, "weightLb": 154, "feet": 5, "inches": 9, "activity": "moderate" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/tdee-calculator.html" } ] }, { "id": "water-intake-calculator", "version": "7.0.0", "name": "Water Intake Calculator", "shortName": "Water Intake", "description": "Calculate your recommended daily water intake based on weight and activity level.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "water", "intake" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/water-intake-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "General estimate; medical conditions may require different fluid guidance.", "urls": { "page": "/calculator/water-intake-calculator/", "definition": "/calculator/water-intake-calculator/definition.json", "schema": "/calculator/water-intake-calculator/schema.json", "llms": "/calculator/water-intake-calculator/llms.txt", "legacyDefinition": "/calculator/water-intake-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/water-intake-calculator/?weight=160&activityMinutes=30", "queryParameters": { "weight": { "label": "Body Weight", "type": "number", "required": false, "default": 160 }, "activityMinutes": { "label": "Daily Exercise", "type": "number", "required": false, "default": 30 } }, "inputs": [ { "id": "weight", "label": "Body Weight", "type": "number", "defaultValue": 160 }, { "id": "activityMinutes", "label": "Daily Exercise", "type": "number", "defaultValue": 30 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Base water estimate is derived from body weight and adjusted by activity duration and climate selection." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "weight": 160, "activityMinutes": 30 } } ], "sources": [] }, { "id": "weight-watcher-points-calculator", "version": "7.0.0", "name": "Weight Watcher Points Calculator", "shortName": "Weight Watcher Points", "description": "Calculate an unofficial nutrient-based points estimate for educational comparison.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "weight", "watcher", "points" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/weight-watcher-points-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Unofficial estimate; not affiliated with or endorsed by WW International.", "urls": { "page": "/calculator/weight-watcher-points-calculator/", "definition": "/calculator/weight-watcher-points-calculator/definition.json", "schema": "/calculator/weight-watcher-points-calculator/schema.json", "llms": "/calculator/weight-watcher-points-calculator/llms.txt", "legacyDefinition": "/calculator/weight-watcher-points-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/weight-watcher-points-calculator/?calories=1500&fat=50&protein=80&carbs=150&fiber=25&system=smart", "queryParameters": { "calories": { "label": "Calories", "type": "number", "required": false, "default": 1500 }, "fat": { "label": "Total Fat (g)", "type": "number", "required": false, "default": 50 }, "protein": { "label": "Protein (g)", "type": "number", "required": false, "default": 80 }, "carbs": { "label": "Carbohydrates (g)", "type": "number", "required": false, "default": 150 }, "fiber": { "label": "Fiber (g)", "type": "number", "required": false, "default": 25 }, "system": { "label": "System", "type": "select", "required": false, "default": "smart" } }, "inputs": [ { "id": "calories", "label": "Calories", "type": "number", "defaultValue": 1500 }, { "id": "fat", "label": "Total Fat (g)", "type": "number", "defaultValue": 50 }, { "id": "protein", "label": "Protein (g)", "type": "number", "defaultValue": 80 }, { "id": "carbs", "label": "Carbohydrates (g)", "type": "number", "defaultValue": 150 }, { "id": "fiber", "label": "Fiber (g)", "type": "number", "defaultValue": 25 }, { "id": "system", "label": "System", "type": "select", "defaultValue": "smart" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Unofficial estimate: PointsPlus-like or SmartPoints-like coefficients are applied to entered calories and nutrients, then rounded and bounded at zero.", "note": "Unofficial educational estimate. It is not the current proprietary WW algorithm and is not affiliated with WW International." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "calories": 1500, "fat": 50, "protein": 80, "carbs": 150, "fiber": 25, "system": "smart" } } ], "sources": [] }, { "id": "whip-calculator", "version": "1.0.0", "name": "WHIP Calculator", "shortName": "WHIP", "description": "Calculate baseball walks plus hits per inning pitched.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "whip", "calculator", "whip calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/whip-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/whip-calculator/", "definition": "/calculator/whip-calculator/definition.json", "schema": "/calculator/whip-calculator/schema.json", "llms": "/calculator/whip-calculator/llms.txt", "legacyDefinition": "/calculator/whip-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/whip-calculator/?walks=3&hits=6&wholeInnings=7&outs=2", "queryParameters": { "walks": { "label": "Walks allowed", "type": "number", "required": true, "default": 3 }, "hits": { "label": "Hits allowed", "type": "number", "required": true, "default": 6 }, "wholeInnings": { "label": "Whole innings pitched", "type": "number", "required": true, "default": 7 }, "outs": { "label": "Additional outs", "type": "select", "required": true, "default": "2" } }, "inputs": [ { "id": "walks", "label": "Walks allowed", "type": "number", "required": true, "defaultValue": 3, "min": 0, "step": 1 }, { "id": "hits", "label": "Hits allowed", "type": "number", "required": true, "defaultValue": 6, "min": 0, "step": 1 }, { "id": "wholeInnings", "label": "Whole innings pitched", "type": "number", "required": true, "defaultValue": 7, "min": 0, "step": 1 }, { "id": "outs", "label": "Additional outs", "type": "select", "required": true, "defaultValue": "2", "options": [ { "label": "0 outs", "value": "0" }, { "label": "1 out", "value": "1" }, { "label": "2 outs", "value": "2" } ] } ], "outputs": [ { "id": "whip", "label": "WHIP", "format": "number", "primary": true, "digits": 3 }, { "id": "baserunners", "label": "Walks + hits", "format": "integer" }, { "id": "innings", "label": "Decimal innings used", "format": "number", "digits": 6 } ], "formula": { "expression": "WHIP = (walks + hits) ÷ innings pitched" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "walks": 3, "hits": 6, "wholeInnings": 7, "outs": "2" } } ], "sources": [] }, { "id": "wilks-calculator", "version": "7.0.0", "name": "Wilks Calculator", "shortName": "Wilks", "description": "Calculate your Wilks Score to compare strength across different body weights.", "category": "Health & Fitness", "categorySlug": "health-fitness", "keywords": [ "wilks" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/wilks-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/wilks-calculator/", "definition": "/calculator/wilks-calculator/definition.json", "schema": "/calculator/wilks-calculator/schema.json", "llms": "/calculator/wilks-calculator/llms.txt", "legacyDefinition": "/calculator/wilks-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/wilks-calculator/?bodyWeight=80&liftedWeight=400&gender=male&unit=kg", "queryParameters": { "bodyWeight": { "label": "Body Weight", "type": "number", "required": false, "default": 80 }, "liftedWeight": { "label": "Total Weight Lifted", "type": "number", "required": false, "default": 400 }, "gender": { "label": "Gender", "type": "select", "required": false, "default": "male" }, "unit": { "label": "Unit", "type": "select", "required": false, "default": "kg" } }, "inputs": [ { "id": "bodyWeight", "label": "Body Weight", "type": "number", "defaultValue": 80 }, { "id": "liftedWeight", "label": "Total Weight Lifted", "type": "number", "defaultValue": 400 }, { "id": "gender", "label": "Gender", "type": "select", "defaultValue": "male" }, { "id": "unit", "label": "Unit", "type": "select", "defaultValue": "kg" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Wilks score = lifted total × sex-specific Wilks coefficient evaluated from body weight." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "bodyWeight": 80, "liftedWeight": 400, "gender": "male", "unit": "kg" } } ], "sources": [] }, { "id": "adding-machine-calculator", "version": "1.0.0", "name": "Adding Machine Calculator", "shortName": "Adding Machine", "description": "Add a signed list of amounts and show a running total like a tape calculator.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "adding", "machine", "calculator", "adding machine calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/adding-machine-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/adding-machine-calculator/", "definition": "/calculator/adding-machine-calculator/definition.json", "schema": "/calculator/adding-machine-calculator/schema.json", "llms": "/calculator/adding-machine-calculator/llms.txt", "legacyDefinition": "/calculator/adding-machine-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/adding-machine-calculator/?entries=125.50%2C+-20%2C+35.25%2C+-4.75", "queryParameters": { "entries": { "label": "Signed numbers (comma or space separated)", "type": "text", "required": true, "default": "125.50, -20, 35.25, -4.75" } }, "inputs": [ { "id": "entries", "label": "Signed numbers (comma or space separated)", "type": "text", "required": true, "defaultValue": "125.50, -20, 35.25, -4.75", "placeholder": "Use negative signs for subtraction" } ], "outputs": [ { "id": "total", "label": "Total", "format": "number", "primary": true, "digits": 8 }, { "id": "entryCount", "label": "Number of entries", "format": "integer" }, { "id": "positiveTotal", "label": "Positive entries", "format": "number", "digits": 8 }, { "id": "negativeTotal", "label": "Negative entries", "format": "number", "digits": 8 } ], "formula": { "expression": "running total = Σ signed entries" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "entries": "125.50, -20, 35.25, -4.75" } } ], "sources": [] }, { "id": "algebra-word-problems-age-calculator", "version": "1.0.0", "name": "Algebra Word Problems: Age Calculator", "shortName": "Algebra Word Problems: Age", "description": "Solve two present ages from their sum and age difference, then project them to another year.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "algebra", "word", "problems", "age", "calculator", "algebra word problems age calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/algebra-word-problems-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/algebra-word-problems-age-calculator/", "definition": "/calculator/algebra-word-problems-age-calculator/definition.json", "schema": "/calculator/algebra-word-problems-age-calculator/schema.json", "llms": "/calculator/algebra-word-problems-age-calculator/llms.txt", "legacyDefinition": "/calculator/algebra-word-problems-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/algebra-word-problems-age-calculator/?sumAges=50&ageDifference=10&yearsFromNow=5", "queryParameters": { "sumAges": { "label": "Sum of present ages", "type": "number", "required": true, "default": 50 }, "ageDifference": { "label": "Older minus younger", "type": "number", "required": true, "default": 10 }, "yearsFromNow": { "label": "Years from now (negative for years ago)", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "sumAges", "label": "Sum of present ages", "type": "number", "required": true, "defaultValue": 50, "min": 0, "step": 0.01 }, { "id": "ageDifference", "label": "Older minus younger", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.01 }, { "id": "yearsFromNow", "label": "Years from now (negative for years ago)", "type": "number", "required": true, "defaultValue": 5, "step": 0.01 } ], "outputs": [ { "id": "olderAge", "label": "Older person now", "format": "number", "primary": true, "digits": 4 }, { "id": "youngerAge", "label": "Younger person now", "format": "number", "digits": 4 }, { "id": "olderProjected", "label": "Older person at projected time", "format": "number", "digits": 4 }, { "id": "youngerProjected", "label": "Younger person at projected time", "format": "number", "digits": 4 } ], "formula": { "expression": "older = (sum + difference) ÷ 2; younger = (sum − difference) ÷ 2" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sumAges": 50, "ageDifference": 10, "yearsFromNow": 5 } } ], "sources": [] }, { "id": "algebra-word-problems-coins-calculator", "version": "1.0.0", "name": "Algebra Word Problems: Coins Calculator", "shortName": "Algebra Word Problems: Coins", "description": "Solve how many coins of two denominations make a known coin count and total value.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "algebra", "word", "problems", "coins", "calculator", "algebra word problems coins calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/algebra-word-problems-coins-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/algebra-word-problems-coins-calculator/", "definition": "/calculator/algebra-word-problems-coins-calculator/definition.json", "schema": "/calculator/algebra-word-problems-coins-calculator/schema.json", "llms": "/calculator/algebra-word-problems-coins-calculator/llms.txt", "legacyDefinition": "/calculator/algebra-word-problems-coins-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/algebra-word-problems-coins-calculator/?coinAValue=10&coinBValue=25&totalCoins=20&totalValue=3.5", "queryParameters": { "coinAValue": { "label": "Coin A value (cents)", "type": "number", "required": true, "default": 10 }, "coinBValue": { "label": "Coin B value (cents)", "type": "number", "required": true, "default": 25 }, "totalCoins": { "label": "Total number of coins", "type": "number", "required": true, "default": 20 }, "totalValue": { "label": "Total value ($)", "type": "number", "required": true, "default": 3.5 } }, "inputs": [ { "id": "coinAValue", "label": "Coin A value (cents)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.01 }, { "id": "coinBValue", "label": "Coin B value (cents)", "type": "number", "required": true, "defaultValue": 25, "min": 0, "step": 0.01 }, { "id": "totalCoins", "label": "Total number of coins", "type": "number", "required": true, "defaultValue": 20, "min": 0, "step": 1 }, { "id": "totalValue", "label": "Total value ($)", "type": "number", "required": true, "defaultValue": 3.5, "min": 0, "step": 0.01 } ], "outputs": [ { "id": "coinACount", "label": "Coin A count", "format": "integer", "primary": true }, { "id": "coinBCount", "label": "Coin B count", "format": "integer" }, { "id": "checkValue", "label": "Value check", "format": "currency", "digits": 2 } ], "formula": { "expression": "x + y = total coins; valueA·x + valueB·y = total cents" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "coinAValue": 10, "coinBValue": 25, "totalCoins": 20, "totalValue": 3.5 } } ], "sources": [] }, { "id": "annulus-calculator", "version": "1.0.0", "name": "Annulus Calculator", "shortName": "Annulus", "description": "Calculate the area and boundary lengths of a ring between two concentric circles.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "annulus", "calculator", "annulus calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/annulus-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/annulus-calculator/", "definition": "/calculator/annulus-calculator/definition.json", "schema": "/calculator/annulus-calculator/schema.json", "llms": "/calculator/annulus-calculator/llms.txt", "legacyDefinition": "/calculator/annulus-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/annulus-calculator/?outerRadius=10&innerRadius=6", "queryParameters": { "outerRadius": { "label": "Outer radius R", "type": "number", "required": true, "default": 10 }, "innerRadius": { "label": "Inner radius r", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "outerRadius", "label": "Outer radius R", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 }, { "id": "innerRadius", "label": "Inner radius r", "type": "number", "required": true, "defaultValue": 6, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "area", "label": "Annulus area", "format": "number", "primary": true, "digits": 8 }, { "id": "outerCircumference", "label": "Outer circumference", "format": "number", "digits": 8 }, { "id": "innerCircumference", "label": "Inner circumference", "format": "number", "digits": 8 }, { "id": "width", "label": "Ring width", "format": "number", "digits": 8 } ], "formula": { "expression": "area = π(R² − r²)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "outerRadius": 10, "innerRadius": 6 } } ], "sources": [] }, { "id": "area-calculator", "version": "2.0.0", "name": "Area Calculator", "shortName": "Area", "description": "Calculate area for rectangles, triangles, trapezoids, circles, sectors, ellipses, and parallelograms.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "area", "rectangle area", "triangle area", "trapezoid area", "circle sector", "ellipse area", "parallelogram area" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/area-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/area-calculator/", "definition": "/calculator/area-calculator/definition.json", "schema": "/calculator/area-calculator/schema.json", "llms": "/calculator/area-calculator/llms.txt", "legacyDefinition": "/calculator/area-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/area-calculator/?shape=rectangle&length=12&width=8", "queryParameters": { "shape": { "label": "Shape", "type": "select", "required": true, "default": "rectangle" }, "length": { "label": "Rectangle length", "type": "number", "required": true, "default": 12, "showWhen": { "field": "shape", "equals": "rectangle" } }, "width": { "label": "Rectangle width", "type": "number", "required": true, "default": 8, "showWhen": { "field": "shape", "equals": "rectangle" } }, "base": { "label": "Triangle base", "type": "number", "required": true, "default": 10, "showWhen": { "field": "shape", "equals": "triangle" } }, "height": { "label": "Triangle height", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "triangle" } }, "triangleSideA": { "label": "Triangle side a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "triangle-sides" } }, "triangleSideB": { "label": "Triangle side b", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "triangle-sides" } }, "triangleSideC": { "label": "Triangle side c", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "triangle-sides" } }, "baseA": { "label": "Trapezoid base 1", "type": "number", "required": true, "default": 8, "showWhen": { "field": "shape", "equals": "trapezoid" } }, "baseB": { "label": "Trapezoid base 2", "type": "number", "required": true, "default": 12, "showWhen": { "field": "shape", "equals": "trapezoid" } }, "trapHeight": { "label": "Trapezoid height", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "trapezoid" } }, "radius": { "label": "Circle radius", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "circle" } }, "sectorRadius": { "label": "Sector radius", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "sector" } }, "sectorAngle": { "label": "Sector angle (degrees)", "type": "number", "required": true, "default": 90, "showWhen": { "field": "shape", "equals": "sector" } }, "ellipseA": { "label": "Ellipse semi-major axis", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "ellipse" } }, "ellipseB": { "label": "Ellipse semi-minor axis", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "ellipse" } }, "parallelogramBase": { "label": "Parallelogram base", "type": "number", "required": true, "default": 10, "showWhen": { "field": "shape", "equals": "parallelogram" } }, "parallelogramHeight": { "label": "Parallelogram height", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "parallelogram" } } }, "inputs": [ { "id": "shape", "label": "Shape", "type": "select", "required": true, "defaultValue": "rectangle", "options": [ { "label": "Rectangle", "value": "rectangle" }, { "label": "Triangle (base and height)", "value": "triangle" }, { "label": "Triangle (three sides)", "value": "triangle-sides" }, { "label": "Trapezoid", "value": "trapezoid" }, { "label": "Circle", "value": "circle" }, { "label": "Circle sector", "value": "sector" }, { "label": "Ellipse", "value": "ellipse" }, { "label": "Parallelogram", "value": "parallelogram" } ], "width": "full" }, { "id": "length", "label": "Rectangle length", "type": "number", "required": true, "defaultValue": 12, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "rectangle" }, "width": "half" }, { "id": "width", "label": "Rectangle width", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "rectangle" }, "width": "half" }, { "id": "base", "label": "Triangle base", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "triangle" }, "width": "half" }, { "id": "height", "label": "Triangle height", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "triangle" }, "width": "half" }, { "id": "triangleSideA", "label": "Triangle side a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "triangle-sides" }, "width": "half" }, { "id": "triangleSideB", "label": "Triangle side b", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "triangle-sides" }, "width": "half" }, { "id": "triangleSideC", "label": "Triangle side c", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "triangle-sides" }, "width": "half" }, { "id": "baseA", "label": "Trapezoid base 1", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "trapezoid" }, "width": "half" }, { "id": "baseB", "label": "Trapezoid base 2", "type": "number", "required": true, "defaultValue": 12, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "trapezoid" }, "width": "half" }, { "id": "trapHeight", "label": "Trapezoid height", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "trapezoid" }, "width": "half" }, { "id": "radius", "label": "Circle radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "circle" }, "width": "half" }, { "id": "sectorRadius", "label": "Sector radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "sector" }, "width": "half" }, { "id": "sectorAngle", "label": "Sector angle (degrees)", "type": "number", "required": true, "defaultValue": 90, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "sector" }, "width": "half" }, { "id": "ellipseA", "label": "Ellipse semi-major axis", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipse" }, "width": "half" }, { "id": "ellipseB", "label": "Ellipse semi-minor axis", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipse" }, "width": "half" }, { "id": "parallelogramBase", "label": "Parallelogram base", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "parallelogram" }, "width": "half" }, { "id": "parallelogramHeight", "label": "Parallelogram height", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "parallelogram" }, "width": "half" } ], "outputs": [ { "id": "area", "label": "Area", "format": "number", "primary": true, "digits": 6 }, { "id": "perimeter", "label": "Perimeter or circumference", "format": "number", "digits": 6 }, { "id": "shapeName", "label": "Shape", "format": "text" } ], "formula": { "expression": "Rectangle lw; triangle bh/2 or Heron; trapezoid (b₁+b₂)h/2; circle πr²; sector θπr²/360; ellipse πab; parallelogram bh." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "shape": "rectangle", "length": 12, "width": 8, "base": 10, "height": 6, "triangleSideA": 3, "triangleSideB": 4, "triangleSideC": 5, "baseA": 8, "baseB": 12, "trapHeight": 5, "radius": 5, "sectorRadius": 5, "sectorAngle": 90, "ellipseA": 6, "ellipseB": 4, "parallelogramBase": 10, "parallelogramHeight": 6 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/area-calculator.html" }, { "label": "OpenStax Prealgebra: geometry and measurement reference", "url": "https://openstax.org/details/books/prealgebra-2e" } ] }, { "id": "average-calculator", "version": "1.0.0", "name": "Average Calculator", "shortName": "Average", "description": "Calculate count, sum, arithmetic mean, minimum, and maximum.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "mean", 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} } ], "sources": [] }, { "id": "basic-calculator", "version": "7.0.0", "name": "Basic Calculator", "shortName": "Basic", "description": "A simple standard calculator for everyday arithmetic.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "basic", "math calculator", "standard calculator", "arithmetic" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/basic-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/basic-calculator/", "definition": "/calculator/basic-calculator/definition.json", "schema": "/calculator/basic-calculator/schema.json", "llms": "/calculator/basic-calculator/llms.txt", "legacyDefinition": "/calculator/basic-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/basic-calculator/?expression=0", "queryParameters": { "expression": { "label": "Expression", "type": "text", "required": false, "default": "0" } }, "inputs": [ { "id": "expression", "label": "Expression", "type": "text", "defaultValue": "0" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The selected arithmetic operator is applied to the two entered numbers." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "expression": "0" } } ], "sources": [] }, { "id": "big-number-calculator", "version": "7.0.0", "name": "Big Number Calculator", "shortName": "Big Number", "description": "Perform arithmetic on very large integers.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "big", "number" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/big-number-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/big-number-calculator/", "definition": "/calculator/big-number-calculator/definition.json", "schema": "/calculator/big-number-calculator/schema.json", "llms": "/calculator/big-number-calculator/llms.txt", "legacyDefinition": "/calculator/big-number-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/big-number-calculator/?operation=%2B&num1=9007199254740991&num2=123456789", "queryParameters": { "operation": { "label": "Operation", "type": "select", "required": false, "default": "+" }, "num1": { "label": "Number 1", "type": "number", "required": false, "default": 9007199254740991 }, "num2": { "label": "Number 2", "type": "number", "required": false, "default": 123456789 } }, "inputs": [ { "id": "operation", "label": "Operation", "type": "select", "defaultValue": "+" }, { "id": "num1", "label": "Number 1", "type": "number", "defaultValue": 9007199254740991 }, { "id": "num2", "label": "Number 2", "type": "number", "defaultValue": 123456789 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Integer arithmetic is performed with arbitrary-precision BigInt values." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "operation": "+", "num1": 9007199254740991, "num2": 123456789 } } ], "sources": [] }, { "id": "binary-calculator", "version": "7.0.0", "name": "Binary Calculator", "shortName": "Binary", "description": "Convert between Binary and Decimal number systems.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "binary" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/binary-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/binary-calculator/", "definition": "/calculator/binary-calculator/definition.json", "schema": "/calculator/binary-calculator/schema.json", "llms": "/calculator/binary-calculator/llms.txt", "legacyDefinition": "/calculator/binary-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/binary-calculator/?input=1010&mode=bin2dec", "queryParameters": { "input": { "label": "Input", "type": "text", "required": false, "default": "1010" }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "bin2dec" } }, "inputs": [ { "id": "input", "label": "Input", "type": "text", "defaultValue": "1010" }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "bin2dec" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Binary and decimal values are parsed as base 2 or base 10; arithmetic is performed on integers and the result is formatted in both bases." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "input": "1010", "mode": "bin2dec" } } ], "sources": [] }, { "id": "circle-calculator", "version": "2.0.0", "name": "Circle Calculator", "shortName": "Circle", "description": "Provide a radius, diameter, circumference, or area to calculate every main circle measurement.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "circle", "circle area", "circumference", "diameter", "radius" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/circle-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/circle-calculator/", "definition": "/calculator/circle-calculator/definition.json", "schema": "/calculator/circle-calculator/schema.json", "llms": "/calculator/circle-calculator/llms.txt", "legacyDefinition": "/calculator/circle-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/circle-calculator/?given=radius&radius=10", "queryParameters": { "given": { "label": "Known measurement", "type": "select", "required": true, "default": "radius" }, "radius": { "label": "Radius", "type": "number", "required": true, "default": 10, "showWhen": { "field": "given", "equals": "radius" } }, "diameterInput": { "label": "Diameter", "type": "number", "required": true, "default": 20, "showWhen": { "field": "given", "equals": "diameter" } }, "circumferenceInput": { "label": "Circumference", "type": "number", "required": true, "default": 62.831853, "showWhen": { "field": "given", "equals": "circumference" } }, "areaInput": { "label": "Area", "type": "number", "required": true, "default": 314.159265, "showWhen": { "field": "given", "equals": "area" } } }, "inputs": [ { "id": "given", "label": "Known measurement", "type": "select", "required": true, "defaultValue": "radius", "options": [ { "label": "Radius", "value": "radius" }, { "label": "Diameter", "value": "diameter" }, { "label": "Circumference", "value": "circumference" }, { "label": "Area", "value": "area" } ], "width": "full" }, { "id": "radius", "label": "Radius", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.01, "showWhen": { "field": "given", "equals": "radius" }, "width": "full" }, { "id": "diameterInput", "label": "Diameter", "type": "number", "required": true, "defaultValue": 20, "min": 0.000001, "step": 0.01, "showWhen": { "field": "given", "equals": "diameter" }, "width": "full" }, { "id": "circumferenceInput", "label": "Circumference", "type": "number", "required": true, "defaultValue": 62.831853, "min": 0.000001, "step": 0.01, "showWhen": { "field": "given", "equals": "circumference" }, "width": "full" }, { "id": "areaInput", "label": "Area", "type": "number", "required": true, "defaultValue": 314.159265, "min": 0.000001, "step": 0.01, "showWhen": { "field": "given", "equals": "area" }, "width": "full" } ], "outputs": [ { "id": "radiusResult", "label": "Radius", "format": "number", "primary": true, "digits": 6 }, { "id": "diameter", "label": "Diameter", "format": "number", "digits": 6 }, { "id": "circumference", "label": "Circumference", "format": "number", "digits": 6 }, { "id": "area", "label": "Area", "format": "number", "digits": 6 } ], "formula": { "expression": "D=2R; C=2πR; A=πR²; solve the known measurement for R, then calculate the rest." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "given": "radius", "radius": 10, "diameterInput": 20, "circumferenceInput": 62.831853, "areaInput": 314.159265 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/circle-calculator.html" } ] }, { "id": "circular-permutation-calculator", "version": "1.0.0", "name": "Circular Permutation Calculator", "shortName": "Circular Permutation", "description": "Count arrangements of distinct objects around a circle when rotations are considered identical.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "circular", "permutation", "calculator", 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"legacyDefinition": "/calculator/circular-permutation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/circular-permutation-calculator/?n=8&reflectionsSame=0", "queryParameters": { "n": { "label": "Number of distinct objects n", "type": "number", "required": true, "default": 8 }, "reflectionsSame": { "label": "Treat mirror images as identical", "type": "checkbox", "required": false, "default": false } }, "inputs": [ { "id": "n", "label": "Number of distinct objects n", "type": "number", "required": true, "defaultValue": 8, "min": 1, "max": 1000, "step": 1 }, { "id": "reflectionsSame", "label": "Treat mirror images as identical", "type": "checkbox", "defaultValue": false } ], "outputs": [ { "id": "permutations", "label": "Circular permutations", "format": "text", "primary": true }, { "id": "formulaUsed", "label": "Formula used", "format": "text" } ], "formula": { "expression": "rotational arrangements = (n − 1)!; with equivalent reflections divide by 2 for n > 2" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "n": 8, "reflectionsSame": false } } ], "sources": [] }, { "id": "common-factor-calculator", "version": "7.0.0", "name": "Common Factor Calculator", "shortName": "Common Factor", "description": "Find all common factors of multiple numbers.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "common", "factor" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/common-factor-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/common-factor-calculator/", "definition": "/calculator/common-factor-calculator/definition.json", "schema": "/calculator/common-factor-calculator/schema.json", "llms": "/calculator/common-factor-calculator/llms.txt", "legacyDefinition": "/calculator/common-factor-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/common-factor-calculator/?numbers=12%2C+18%2C+24", "queryParameters": { "numbers": { "label": "Enter numbers (comma separated)", "type": "text", "required": false, "default": "12, 18, 24" } }, "inputs": [ { "id": "numbers", "label": "Enter numbers (comma separated)", "type": "text", "defaultValue": "12, 18, 24" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Common factors are the intersection of the positive-divisor sets of all entered integers." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numbers": "12, 18, 24" } } ], "sources": [] }, { "id": "completing-the-square-calculator", "version": "1.0.0", "name": "Completing the Square Calculator", "shortName": "Completing the Square", "description": "Rewrite a quadratic in vertex form and calculate its vertex and roots.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "completing", "the", "square", "calculator", "completing the square calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/completing-the-square-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/completing-the-square-calculator/", "definition": "/calculator/completing-the-square-calculator/definition.json", "schema": "/calculator/completing-the-square-calculator/schema.json", "llms": "/calculator/completing-the-square-calculator/llms.txt", "legacyDefinition": "/calculator/completing-the-square-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/completing-the-square-calculator/?a=1&b=6&c=5", "queryParameters": { "a": { "label": "Coefficient a", "type": "number", "required": true, "default": 1 }, "b": { "label": "Coefficient b", "type": "number", "required": true, "default": 6 }, "c": { "label": "Coefficient c", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "a", "label": "Coefficient a", "type": "number", "required": true, "defaultValue": 1, "step": 0.001 }, { "id": "b", "label": "Coefficient b", "type": "number", "required": true, "defaultValue": 6, "step": 0.001 }, { "id": "c", "label": "Coefficient c", "type": "number", "required": true, "defaultValue": 5, "step": 0.001 } ], "outputs": [ { "id": "vertexForm", "label": "Vertex form", "format": "text", "primary": true }, { "id": "vertex", "label": "Vertex (h, k)", "format": "text" }, { "id": "discriminant", "label": "Discriminant", "format": "number", "digits": 8 }, { "id": "roots", "label": "Roots", "format": "text" } ], "formula": { "expression": "ax² + bx + c = a(x + b/2a)² + c − b²/4a" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 1, "b": 6, "c": 5 } } ], "sources": [] }, { "id": "complex-fraction-calculator", "version": "1.0.0", "name": "Complex 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"/calculator/complex-fraction-calculator/", "definition": "/calculator/complex-fraction-calculator/definition.json", "schema": "/calculator/complex-fraction-calculator/schema.json", "llms": "/calculator/complex-fraction-calculator/llms.txt", "legacyDefinition": "/calculator/complex-fraction-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/complex-fraction-calculator/?numeratorA=3&denominatorA=4&numeratorB=5&denominatorB=6", "queryParameters": { "numeratorA": { "label": "Top fraction numerator a", "type": "number", "required": true, "default": 3 }, "denominatorA": { "label": "Top fraction denominator b", "type": "number", "required": true, "default": 4 }, "numeratorB": { "label": "Bottom fraction numerator c", "type": "number", "required": true, "default": 5 }, "denominatorB": { "label": "Bottom fraction denominator d", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "numeratorA", "label": "Top fraction numerator a", "type": "number", "required": true, "defaultValue": 3, "step": 1 }, { "id": "denominatorA", "label": "Top fraction denominator b", "type": "number", "required": true, "defaultValue": 4, "step": 1 }, { "id": "numeratorB", "label": "Bottom fraction numerator c", "type": "number", "required": true, "defaultValue": 5, "step": 1 }, { "id": "denominatorB", "label": "Bottom fraction denominator d", "type": "number", "required": true, "defaultValue": 6, "step": 1 } ], "outputs": [ { "id": "fraction", "label": "Reduced result", "format": "text", "primary": true }, { "id": "mixedNumber", "label": "Mixed number", "format": "text" }, { "id": "decimal", "label": "Decimal value", "format": "number", "digits": 12 } ], "formula": { "expression": "(a/b) ÷ (c/d) = ad ÷ bc" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numeratorA": 3, "denominatorA": 4, "numeratorB": 5, "denominatorB": 6 } } ], "sources": [] }, { "id": "confidence-interval-calculator", "version": "2.0.0", "name": "Confidence Interval Calculator", "shortName": "Confidence interval", "description": "Calculate a two-sided normal confidence interval and margin of error for a population mean.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "confidence interval", "margin of error", "sample mean", "standard error", "critical z score" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/confidence-interval-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": 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"type": "select", "required": true, "default": 95 } }, "inputs": [ { "id": "sampleSize", "label": "Sample size (n)", "type": "number", "required": true, "defaultValue": 100, "min": 1, "max": 1000000000, "step": 1, "width": "half" }, { "id": "sampleMean", "label": "Sample mean (x̄)", "type": "number", "required": true, "defaultValue": 50, "step": 0.01, "width": "half" }, { "id": "standardDeviation", "label": "Standard deviation (σ or s)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.01, "width": "half" }, { "id": "confidenceLevel", "label": "Confidence level", "type": "select", "required": true, "defaultValue": 95, "options": [ { "label": "80%", "value": 80 }, { "label": "85%", "value": 85 }, { "label": "90%", "value": 90 }, { "label": "95%", "value": 95 }, { "label": "98%", "value": 98 }, { "label": "99%", "value": 99 }, { "label": "99.9%", "value": 99.9 } ], "width": "half" } ], "outputs": [ { "id": "lowerBound", "label": "Lower bound", "format": "number", "primary": true, "digits": 6 }, { "id": "upperBound", "label": "Upper bound", "format": "number", "primary": true, "digits": 6 }, { "id": "interval", "label": "Confidence interval", "format": "text" }, { "id": "marginOfError", "label": "Margin of error", "format": "number", "digits": 6 }, { "id": "standardError", "label": "Standard error", "format": "number", "digits": 6 }, { "id": "criticalZ", "label": "Critical z-score", "format": "number", "digits": 6 } ], "formula": { "expression": "CI=x̄±z*·σ/√n; margin of error=z*·σ/√n." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sampleSize": 100, "sampleMean": 50, "standardDeviation": 10, "confidenceLevel": 95 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/confidence-interval-calculator.html" }, { "label": "NIST: confidence limits for the mean; assumptions and t versus z", "url": 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"Coefficient a", "type": "number", "required": true, "default": 1 }, "b": { "label": "Coefficient b", "type": "number", "required": true, "default": -6 }, "c": { "label": "Coefficient c", "type": "number", "required": true, "default": 11 }, "d": { "label": "Coefficient d", "type": "number", "required": true, "default": -6 } }, "inputs": [ { "id": "a", "label": "Coefficient a", "type": "number", "required": true, "defaultValue": 1, "step": 0.001 }, { "id": "b", "label": "Coefficient b", "type": "number", "required": true, "defaultValue": -6, "step": 0.001 }, { "id": "c", "label": "Coefficient c", "type": "number", "required": true, "defaultValue": 11, "step": 0.001 }, { "id": "d", "label": "Coefficient d", "type": "number", "required": true, "defaultValue": -6, "step": 0.001 } ], "outputs": [ { "id": "roots", "label": "Roots", "format": "text", "primary": true }, { "id": "discriminant", "label": "Cubic discriminant", "format": "number", "digits": 8 }, { "id": "classification", "label": "Root classification", "format": "text" } ], "formula": { "expression": "roots solve ax³ + bx² + cx + d = 0 using the depressed-cubic (Cardano) form" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 1, "b": -6, "c": 11, "d": -6 } } ], "sources": [] }, { "id": "decimal-to-fraction-calculator", "version": "1.0.0", "name": "Decimal to Fraction Calculator", "shortName": "Decimal to Fraction", "description": "Convert a terminating or repeating decimal approximation to a reduced fraction.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "decimal", "to", "fraction", "calculator", "decimal to fraction calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/decimal-to-fraction-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/decimal-to-fraction-calculator/", "definition": "/calculator/decimal-to-fraction-calculator/definition.json", "schema": "/calculator/decimal-to-fraction-calculator/schema.json", "llms": "/calculator/decimal-to-fraction-calculator/llms.txt", "legacyDefinition": "/calculator/decimal-to-fraction-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/decimal-to-fraction-calculator/?decimal=0.375&maxDenominator=1000000", "queryParameters": { "decimal": { "label": "Decimal value", "type": "text", "required": true, "default": "0.375" }, "maxDenominator": { "label": "Maximum denominator", "type": "number", "required": true, "default": 1000000 } }, "inputs": [ { "id": "decimal", "label": "Decimal value", "type": "text", "required": true, "defaultValue": "0.375", "placeholder": "Examples: 0.375, -2.125" }, { "id": "maxDenominator", "label": "Maximum denominator", "type": "number", "required": true, "defaultValue": 1000000, "min": 1, "max": 1000000000, "step": 1 } ], "outputs": [ { "id": "fraction", "label": "Reduced fraction", "format": "text", "primary": true }, { "id": "mixedNumber", "label": "Mixed number", "format": "text" }, { "id": "approximationError", "label": "Approximation error", "format": "number", "digits": 15 } ], "formula": { "expression": "fraction is the closest reduced rational with denominator no greater than the selected maximum" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "decimal": "0.375", "maxDenominator": 1000000 } } ], "sources": [] }, { "id": "decimal-to-percent-calculator", "version": "1.0.0", "name": "Decimal to Percent Calculator", "shortName": "Decimal to Percent", "description": "Convert a decimal number to a percentage.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "decimal", "to", "percent", "calculator", "decimal to percent calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/decimal-to-percent-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/decimal-to-percent-calculator/", "definition": "/calculator/decimal-to-percent-calculator/definition.json", "schema": "/calculator/decimal-to-percent-calculator/schema.json", "llms": "/calculator/decimal-to-percent-calculator/llms.txt", "legacyDefinition": "/calculator/decimal-to-percent-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/decimal-to-percent-calculator/?decimal=0.375", "queryParameters": { "decimal": { "label": "Decimal value", "type": "number", "required": true, "default": 0.375 } }, "inputs": [ { "id": "decimal", "label": "Decimal value", "type": "number", "required": true, "defaultValue": 0.375, "step": 0.000001 } ], "outputs": [ { "id": "percent", "label": "Percentage", "format": "percent", "primary": true, "digits": 8 }, { "id": "expression", "label": "Conversion", "format": "text" } ], "formula": { "expression": "percent = decimal × 100%" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "decimal": 0.375 } } ], "sources": [] }, { "id": "diamond-problem-solver", "version": "1.0.0", "name": "Diamond Problem Solver", "shortName": "Diamond Problem Solver", "description": "Find two numbers whose product and sum match a diamond problem.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "diamond", "problem", "solver", "diamond problem solver" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/diamond-problem-solver.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/diamond-problem-solver/", "definition": "/calculator/diamond-problem-solver/definition.json", "schema": "/calculator/diamond-problem-solver/schema.json", "llms": "/calculator/diamond-problem-solver/llms.txt", "legacyDefinition": "/calculator/diamond-problem-solver.json" }, "queryExample": "https://askcalculators.com/calculator/diamond-problem-solver/?product=12&sum=7", "queryParameters": { "product": { "label": "Product", "type": "number", "required": true, "default": 12 }, "sum": { "label": "Sum", "type": "number", "required": true, "default": 7 } }, "inputs": [ { "id": "product", "label": "Product", "type": "number", "required": true, "defaultValue": 12, "step": 0.001 }, { "id": "sum", "label": "Sum", "type": "number", "required": true, "defaultValue": 7, "step": 0.001 } ], "outputs": [ { "id": "firstNumber", "label": "First number", "format": "text", "primary": true }, { "id": "secondNumber", "label": "Second number", "format": "text" }, { "id": "factorization", "label": "Factorization", "format": "text" } ], "formula": { "expression": "x + y = S and xy = P, so x and y are roots of t² − St + P = 0" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "product": 12, "sum": 7 } } ], "sources": [] }, { "id": "difference-of-two-squares-calculator", "version": "1.0.0", "name": "Difference of Two Squares Calculator", "shortName": "Difference of Two Squares", "description": "Evaluate and factor a² − b².", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "difference", "of", "two", "squares", "calculator", "difference of two squares calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", 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"label": "a", "type": "number", "required": true, "default": 10 }, "b": { "label": "b", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "a", "label": "a", "type": "number", "required": true, "defaultValue": 10, "step": 0.001 }, { "id": "b", "label": "b", "type": "number", "required": true, "defaultValue": 6, "step": 0.001 } ], "outputs": [ { "id": "difference", "label": "a² − b²", "format": "number", "primary": true, "digits": 8 }, { "id": "factoredForm", "label": "Factored form", "format": "text" }, { "id": "factors", "label": "Numeric factors", "format": "text" } ], "formula": { "expression": "a² − b² = (a − b)(a + b)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 10, "b": 6 } } ], "sources": [] }, { "id": "distance-calculator", "version": "2.0.0", "name": "Distance Calculator", "shortName": "Distance", "description": "Calculate distance in 2D, 3D, or between two latitude/longitude 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"/calculator/distance-calculator/definition.json", "schema": "/calculator/distance-calculator/schema.json", "llms": "/calculator/distance-calculator/llms.txt", "legacyDefinition": "/calculator/distance-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/distance-calculator/?mode=2d&x1=0&y1=0&x2=3&y2=4", "queryParameters": { "mode": { "label": "Distance model", "type": "select", "required": true, "default": "2d" }, "x1": { "label": "x₁", "type": "number", "required": true, "default": 0, "showWhen": { "field": "mode", "equals": "2d" } }, "y1": { "label": "y₁", "type": "number", "required": true, "default": 0, "showWhen": { "field": "mode", "equals": "2d" } }, "x2": { "label": "x₂", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "2d" } }, "y2": { "label": "y₂", "type": "number", "required": true, "default": 4, "showWhen": { "field": "mode", "equals": "2d" } }, "x1Three": { "label": "x₁", "type": "number", "required": true, "default": 0, "showWhen": { "field": "mode", "equals": "3d" } }, "y1Three": { "label": "y₁", "type": "number", "required": true, "default": 0, "showWhen": { "field": "mode", "equals": "3d" } }, "z1Three": { "label": "z₁", "type": "number", "required": true, "default": 0, "showWhen": { "field": "mode", "equals": "3d" } }, "x2Three": { "label": "x₂", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "3d" } }, "y2Three": { "label": "y₂", "type": "number", "required": true, "default": 4, "showWhen": { "field": "mode", "equals": "3d" } }, "z2Three": { "label": "z₂", "type": "number", "required": true, "default": 12, "showWhen": { "field": "mode", "equals": "3d" } }, "latitude1": { "label": "Latitude 1", "type": "number", "required": true, "default": 40.7128, "showWhen": { "field": "mode", "equals": "geographic" } }, "longitude1": { "label": "Longitude 1", "type": "number", "required": true, "default": -74.006, "showWhen": { "field": "mode", "equals": 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"number", "required": true, "defaultValue": 3, "step": 0.01, "showWhen": { "field": "mode", "equals": "2d" }, "width": "half" }, { "id": "y2", "label": "y₂", "type": "number", "required": true, "defaultValue": 4, "step": 0.01, "showWhen": { "field": "mode", "equals": "2d" }, "width": "half" }, { "id": "x1Three", "label": "x₁", "type": "number", "required": true, "defaultValue": 0, "step": 0.01, "showWhen": { "field": "mode", "equals": "3d" }, "width": "half" }, { "id": "y1Three", "label": "y₁", "type": "number", "required": true, "defaultValue": 0, "step": 0.01, "showWhen": { "field": "mode", "equals": "3d" }, "width": "half" }, { "id": "z1Three", "label": "z₁", "type": "number", "required": true, "defaultValue": 0, "step": 0.01, "showWhen": { "field": "mode", "equals": "3d" }, "width": "half" }, { "id": "x2Three", "label": "x₂", "type": "number", "required": true, "defaultValue": 3, "step": 0.01, "showWhen": { "field": "mode", "equals": "3d" }, "width": "half" }, { "id": "y2Three", "label": "y₂", "type": "number", "required": true, "defaultValue": 4, "step": 0.01, "showWhen": { "field": "mode", "equals": "3d" }, "width": "half" }, { "id": "z2Three", "label": "z₂", "type": "number", "required": true, "defaultValue": 12, "step": 0.01, "showWhen": { "field": "mode", "equals": "3d" }, "width": "half" }, { "id": "latitude1", "label": "Latitude 1", "type": "number", "required": true, "defaultValue": 40.7128, "min": -90, "max": 90, "step": 0.000001, "showWhen": { "field": "mode", "equals": "geographic" }, "width": "half" }, { "id": "longitude1", "label": "Longitude 1", "type": "number", "required": true, "defaultValue": -74.006, "min": -180, "max": 180, "step": 0.000001, "showWhen": { "field": "mode", "equals": "geographic" }, "width": "half" }, { "id": "latitude2", "label": "Latitude 2", "type": "number", "required": true, "defaultValue": 51.5074, "min": -90, "max": 90, "step": 0.000001, "showWhen": { "field": "mode", "equals": "geographic" }, "width": "half" }, { "id": "longitude2", "label": "Longitude 2", "type": "number", "required": true, "defaultValue": -0.1278, "min": -180, "max": 180, "step": 0.000001, "showWhen": { "field": "mode", "equals": "geographic" }, "width": "half" } ], "outputs": [ { "id": "distance", "label": "Distance", "format": "number", "primary": true, "digits": 6 }, { "id": "distanceKilometers", "label": "Distance", "format": "number", "digits": 3, "suffix": " km" }, { "id": "distanceMiles", "label": "Distance", "format": "number", "digits": 3, "suffix": " mi" }, { "id": "deltaX", "label": "Δx", "format": "number", "digits": 6 }, { "id": "deltaY", "label": "Δy", "format": "number", "digits": 6 }, { "id": "deltaZ", "label": "Δz", "format": "number", "digits": 6 }, { "id": "initialBearing", "label": "Initial bearing", "format": "number", "digits": 3, "suffix": "°" }, { "id": "midpoint", "label": "Midpoint", "format": "text" } ], "formula": { "expression": "Cartesian: d=√[Σ(qᵢ−pᵢ)²]; geographic: d=2R·asin(√[sin²(Δφ/2)+cosφ₁cosφ₂sin²(Δλ/2)])." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "2d", "x1": 0, "y1": 0, "x2": 3, "y2": 4, "x1Three": 0, "y1Three": 0, "z1Three": 0, "x2Three": 3, "y2Three": 4, "z2Three": 12, "latitude1": 40.7128, "longitude1": -74.006, "latitude2": 51.5074, "longitude2": -0.1278 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/distance-calculator.html" } ] }, { "id": "dot-product-calculator", "version": "1.0.0", "name": "Dot Product Calculator", "shortName": "Dot Product", "description": "Calculate the dot product, vector magnitudes, and angle between two numeric vectors.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "dot", "product", "calculator", "dot product calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/dot-product-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/dot-product-calculator/", "definition": "/calculator/dot-product-calculator/definition.json", "schema": "/calculator/dot-product-calculator/schema.json", "llms": "/calculator/dot-product-calculator/llms.txt", "legacyDefinition": "/calculator/dot-product-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/dot-product-calculator/?vectorA=1%2C+2%2C+3&vectorB=4%2C+-5%2C+6", "queryParameters": { "vectorA": { "label": "Vector A", "type": "text", "required": true, "default": "1, 2, 3" }, "vectorB": { "label": "Vector B", "type": "text", "required": true, "default": "4, -5, 6" } }, "inputs": [ { "id": "vectorA", "label": "Vector A", "type": "text", "required": true, "defaultValue": "1, 2, 3", "placeholder": "Comma-separated components" }, { "id": "vectorB", "label": "Vector B", "type": "text", "required": true, "defaultValue": "4, -5, 6", "placeholder": "Comma-separated components" } ], "outputs": [ { "id": "dotProduct", "label": "Dot product", "format": "number", "primary": true, "digits": 12 }, { "id": "magnitudeA", "label": "|A|", "format": "number", "digits": 12 }, { "id": "magnitudeB", "label": "|B|", "format": "number", "digits": 12 }, { "id": "angleDegrees", "label": "Angle between vectors", "format": "number", "digits": 8, "suffix": "°" }, { "id": "orthogonality", "label": "Relationship", "format": "text" } ], "formula": { "expression": "A · B = Σaᵢbᵢ; cos θ = (A · B) ÷ (|A||B|)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "vectorA": "1, 2, 3", "vectorB": "4, -5, 6" } } ], "sources": [] }, { "id": "estimating-sums-and-differences-of-fractions-calculator", "version": "1.0.0", "name": "Estimating Sums and Differences of Fractions Calculator", "shortName": "Estimating Sums and Differences of Fractio", "description": "Estimate a fraction sum or difference using benchmark fractions, and compare it with the exact result.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "estimating", "sums", "and", "differences", "of", "fractions", "calculator", "estimating sums and differences of fractions calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/estimating-sums-and-differences-of-fractions-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/estimating-sums-and-differences-of-fractions-calculator/", "definition": "/calculator/estimating-sums-and-differences-of-fractions-calculator/definition.json", "schema": "/calculator/estimating-sums-and-differences-of-fractions-calculator/schema.json", "llms": "/calculator/estimating-sums-and-differences-of-fractions-calculator/llms.txt", "legacyDefinition": "/calculator/estimating-sums-and-differences-of-fractions-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/estimating-sums-and-differences-of-fractions-calculator/?operation=add&numeratorA=5&denominatorA=8&numeratorB=7&denominatorB=12&benchmark=half", "queryParameters": { "operation": { "label": "Operation", "type": "select", "required": true, "default": "add" }, "numeratorA": { "label": "First numerator", "type": "number", "required": true, "default": 5 }, "denominatorA": { "label": "First denominator", "type": "number", "required": true, "default": 8 }, "numeratorB": { "label": "Second numerator", "type": "number", "required": true, "default": 7 }, "denominatorB": { "label": "Second denominator", "type": "number", "required": true, "default": 12 }, "benchmark": { "label": "Benchmark increment", "type": "select", "required": true, "default": "half" } }, "inputs": [ { "id": "operation", "label": "Operation", "type": "select", "required": true, "defaultValue": "add", "options": [ { "label": "Add", "value": "add" }, { "label": "Subtract", "value": "subtract" } ] }, { "id": "numeratorA", "label": "First numerator", "type": "number", "required": true, "defaultValue": 5, "step": 1 }, { "id": "denominatorA", "label": "First denominator", "type": "number", "required": true, "defaultValue": 8, "step": 1 }, { "id": "numeratorB", "label": "Second numerator", "type": "number", "required": true, "defaultValue": 7, "step": 1 }, { "id": "denominatorB", "label": "Second denominator", "type": "number", "required": true, "defaultValue": 12, "step": 1 }, { "id": "benchmark", "label": "Benchmark increment", "type": "select", "required": true, "defaultValue": "half", "options": [ { "label": "Nearest whole", "value": "whole" }, { "label": "Nearest half", "value": "half" }, { "label": "Nearest quarter", "value": "quarter" }, { "label": "Nearest tenth", "value": "tenth" } ] } ], "outputs": [ { "id": "estimate", "label": "Estimated result", "format": "number", "primary": true, "digits": 6 }, { "id": "exactFraction", "label": "Exact reduced result", "format": "text" }, { "id": "exactDecimal", "label": "Exact decimal", "format": "number", "digits": 12 }, { "id": "estimatedTerms", "label": "Rounded terms", "format": "text" }, { "id": "absoluteError", "label": "Absolute error", "format": "number", "digits": 12 } ], "formula": { "expression": "round each fraction to a benchmark increment, then add or subtract; exact result uses a common denominator" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "operation": "add", "numeratorA": 5, "denominatorA": 8, "numeratorB": 7, "denominatorB": 12, "benchmark": "half" } } ], "sources": [] }, { "id": "even-permutations-calculator", "version": "1.0.0", "name": "Even Permutations Calculator", "shortName": "Even Permutations", "description": "Count the even permutations of a set of distinct elements.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "even", "permutations", "calculator", "even permutations calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/even-permutations-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/even-permutations-calculator/", "definition": "/calculator/even-permutations-calculator/definition.json", "schema": "/calculator/even-permutations-calculator/schema.json", "llms": "/calculator/even-permutations-calculator/llms.txt", "legacyDefinition": "/calculator/even-permutations-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/even-permutations-calculator/?n=6", "queryParameters": { "n": { "label": "Number of elements n", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "n", "label": "Number of elements n", "type": "number", "required": true, "defaultValue": 6, "min": 3, "max": 1000, "step": 1 } ], "outputs": [ { "id": "permutations", "label": "Even permutations", "format": "text", "primary": true }, { "id": "totalPermutations", "label": "Total permutations n!", "format": "text" } ], "formula": { "expression": "even permutations = n! ÷ 2 for n > 2" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "n": 6 } } ], "sources": [] }, { "id": "expanded-form-calculator", "version": "1.0.0", "name": "Expanded Form Calculator", "shortName": "Expanded Form", "description": "Write an integer or decimal as a sum of place-value terms.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "expanded", "form", "calculator", "expanded form calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/expanded-form-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/expanded-form-calculator/", "definition": "/calculator/expanded-form-calculator/definition.json", "schema": "/calculator/expanded-form-calculator/schema.json", "llms": "/calculator/expanded-form-calculator/llms.txt", "legacyDefinition": "/calculator/expanded-form-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/expanded-form-calculator/?number=4072.305", "queryParameters": { "number": { "label": "Number", "type": "text", "required": true, "default": "4072.305" } }, "inputs": [ { "id": "number", "label": "Number", "type": "text", "required": true, "defaultValue": "4072.305", "placeholder": "Example: 4072.305" } ], "outputs": [ { "id": "expandedForm", "label": "Expanded form", "format": "text", "primary": true }, { "id": "wordedPowers", "label": "Power-of-ten form", "format": "text" }, { "id": "normalizedNumber", "label": "Normalized number", "format": "text" } ], "formula": { "expression": "each nonzero digit contributes digit × 10^place" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "number": "4072.305" } } ], "sources": [] }, { "id": "exponent-calculator", "version": "7.0.0", "name": "Exponent Calculator", "shortName": "Exponent", "description": "Calculate the value of a base raised to the power of an exponent.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "exponent" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/exponent-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/exponent-calculator/", "definition": "/calculator/exponent-calculator/definition.json", "schema": "/calculator/exponent-calculator/schema.json", "llms": "/calculator/exponent-calculator/llms.txt", "legacyDefinition": "/calculator/exponent-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/exponent-calculator/?base=2&exponent=10", "queryParameters": { "base": { "label": "Base", "type": "number", "required": false, "default": 2 }, "exponent": { "label": "Exponent", "type": "number", "required": false, "default": 10 } }, "inputs": [ { "id": "base", "label": "Base", "type": "number", "defaultValue": 2 }, { "id": "exponent", "label": "Exponent", "type": "number", "defaultValue": 10 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Result = base^exponent." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "base": 2, "exponent": 10 } } ], "sources": [] }, { "id": "factor-calculator", "version": "7.0.0", "name": "Factor Calculator", "shortName": "Factor", "description": "Find all factors and factor pairs of a number.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "factor" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/factor-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/factor-calculator/", "definition": "/calculator/factor-calculator/definition.json", "schema": "/calculator/factor-calculator/schema.json", "llms": "/calculator/factor-calculator/llms.txt", "legacyDefinition": "/calculator/factor-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/factor-calculator/?number=60", "queryParameters": { "number": { "label": "Number", "type": "number", "required": false, "default": 60 } }, "inputs": [ { "id": "number", "label": "Number", "type": "number", "defaultValue": 60 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Factors are the positive integer divisors found in complementary pairs up to √n." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "number": 60 } } ], "sources": [] }, { "id": "factorial-calculator", "version": "7.0.0", "name": "Factorial Calculator", "shortName": "Factorial", "description": "Calculate the factorial of a non-negative integer (n!).", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "factorial" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/factorial-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/factorial-calculator/", "definition": "/calculator/factorial-calculator/definition.json", "schema": "/calculator/factorial-calculator/schema.json", "llms": "/calculator/factorial-calculator/llms.txt", "legacyDefinition": "/calculator/factorial-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/factorial-calculator/?number=5", "queryParameters": { "number": { "label": "Number", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "number", "label": "Number", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "n! = product of every whole number from 1 through n, with 0! = 1." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "number": 5 } } ], "sources": [] }, { "id": "five-number-summary-calculator", "version": "1.0.0", "name": "Five Number Summary Calculator", "shortName": "Five Number Summary", "description": "Calculate the minimum, first quartile, median, third quartile, maximum, and interquartile range.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "five", "number", "summary", "calculator", "five number summary calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/five-number-summary-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/five-number-summary-calculator/", "definition": "/calculator/five-number-summary-calculator/definition.json", "schema": "/calculator/five-number-summary-calculator/schema.json", "llms": "/calculator/five-number-summary-calculator/llms.txt", "legacyDefinition": "/calculator/five-number-summary-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/five-number-summary-calculator/?data=4%2C+7%2C+7%2C+9%2C+12%2C+15%2C+18%2C+21", "queryParameters": { "data": { "label": "Data values (comma or space separated)", "type": "text", "required": true, "default": "4, 7, 7, 9, 12, 15, 18, 21" } }, "inputs": [ { "id": "data", "label": "Data values (comma or space separated)", "type": "text", "required": true, "defaultValue": "4, 7, 7, 9, 12, 15, 18, 21", "placeholder": "Example: 4, 7, 9, 12" } ], "outputs": [ { "id": "minimum", "label": "Minimum", "format": "number" }, { "id": "q1", "label": "First quartile Q1", "format": "number" }, { "id": "median", "label": "Median Q2", "format": "number", "primary": true }, { "id": "q3", "label": "Third quartile Q3", "format": "number" }, { "id": "maximum", "label": "Maximum", "format": "number" }, { "id": "iqr", "label": "Interquartile range", "format": "number" } ], "formula": { "expression": "five-number summary = minimum, Q1, median, Q3, maximum after sorting the data" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "data": "4, 7, 7, 9, 12, 15, 18, 21" } } ], "sources": [] }, { "id": "foil-method-calculator", "version": "1.0.0", "name": "FOIL Method Calculator", "shortName": "FOIL Method", "description": "Expand two linear binomials using the FOIL method.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "foil", "method", "calculator", "foil method calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/foil-method-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/foil-method-calculator/", "definition": "/calculator/foil-method-calculator/definition.json", "schema": "/calculator/foil-method-calculator/schema.json", "llms": "/calculator/foil-method-calculator/llms.txt", "legacyDefinition": "/calculator/foil-method-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/foil-method-calculator/?a=2&b=3&c=4&d=-5", "queryParameters": { "a": { "label": "a in (ax + b)", "type": "number", "required": true, "default": 2 }, "b": { "label": "b in (ax + b)", "type": "number", "required": true, "default": 3 }, "c": { "label": "c in (cx + d)", "type": "number", "required": true, "default": 4 }, "d": { "label": "d in (cx + d)", "type": "number", "required": true, "default": -5 } }, "inputs": [ { "id": "a", "label": "a in (ax + b)", "type": "number", "required": true, "defaultValue": 2, "step": 0.001 }, { "id": "b", "label": "b in (ax + b)", "type": "number", "required": true, "defaultValue": 3, "step": 0.001 }, { "id": "c", "label": "c in (cx + d)", "type": "number", "required": true, "defaultValue": 4, "step": 0.001 }, { "id": "d", "label": "d in (cx + d)", "type": "number", "required": true, "defaultValue": -5, "step": 0.001 } ], "outputs": [ { "id": "expanded", "label": "Expanded polynomial", "format": "text", "primary": true }, { "id": "xSquaredCoefficient", "label": "x² coefficient", "format": "number", "digits": 8 }, { "id": "xCoefficient", "label": "x coefficient", "format": "number", "digits": 8 }, { "id": "constant", "label": "Constant", "format": "number", "digits": 8 }, { "id": "steps", "label": "FOIL terms", "format": "text" } ], "formula": { "expression": "(ax + b)(cx + d) = acx² + (ad + bc)x + bd" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 2, "b": 3, "c": 4, "d": -5 } } ], "sources": [] }, { "id": "fraction-calculator", "version": "7.0.0", "name": "Fraction Calculator", "shortName": "Fraction", "description": "Perform addition, subtraction, multiplication, and division with fractions.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "fraction" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fraction-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/fraction-calculator/", "definition": "/calculator/fraction-calculator/definition.json", "schema": "/calculator/fraction-calculator/schema.json", "llms": "/calculator/fraction-calculator/llms.txt", "legacyDefinition": "/calculator/fraction-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fraction-calculator/?n1=1&d1=2&n2=1&d2=3&operation=%2B", "queryParameters": { "n1": { "label": "N1", "type": "number", "required": false, "default": 1 }, "d1": { "label": "D1", "type": "number", "required": false, "default": 2 }, "n2": { "label": "N2", "type": "number", "required": false, "default": 1 }, "d2": { "label": "D2", "type": "number", "required": false, "default": 3 }, "operation": { "label": "Operation", "type": "text", "required": false, "default": "+" } }, "inputs": [ { "id": "n1", "label": "N1", "type": "number", "defaultValue": 1 }, { "id": "d1", "label": "D1", "type": "number", "defaultValue": 2 }, { "id": "n2", "label": "N2", "type": "number", "defaultValue": 1 }, { "id": "d2", "label": "D2", "type": "number", "defaultValue": 3 }, { "id": "operation", "label": "Operation", "type": "text", "defaultValue": "+" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Fractions are combined by the selected operation using common denominators; numerator and denominator are reduced by their greatest common divisor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "n1": 1, "d1": 2, "n2": 1, "d2": 3, "operation": "+" } } ], "sources": [] }, { "id": "fractions-averaging-calculator", "version": "1.0.0", "name": "Fractions Averaging Calculator", "shortName": "Fractions Averaging", "description": "Find the exact arithmetic mean of a list of integers, fractions, or mixed numbers.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "fractions", "averaging", "calculator", "fractions averaging calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fractions-averaging-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/fractions-averaging-calculator/", "definition": "/calculator/fractions-averaging-calculator/definition.json", "schema": "/calculator/fractions-averaging-calculator/schema.json", "llms": "/calculator/fractions-averaging-calculator/llms.txt", "legacyDefinition": "/calculator/fractions-averaging-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fractions-averaging-calculator/?fractions=1%2F2%2C+3%2F4%2C+1+1%2F4", "queryParameters": { "fractions": { "label": "Values", "type": "text", "required": true, "default": "1/2, 3/4, 1 1/4" } }, "inputs": [ { "id": "fractions", "label": "Values", "type": "text", "required": true, "defaultValue": "1/2, 3/4, 1 1/4", "placeholder": "Separate values with commas; mixed example: 1 1/2" } ], "outputs": [ { "id": "averageFraction", "label": "Average as a fraction", "format": "text", "primary": true }, { "id": "averageMixed", "label": "Average as a mixed number", "format": "text" }, { "id": "averageDecimal", "label": "Average decimal", "format": "number", "digits": 12 }, { "id": "count", "label": "Values averaged", "format": "integer" } ], "formula": { "expression": "average = (x₁ + x₂ + … + xₙ) ÷ n" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "fractions": "1/2, 3/4, 1 1/4" } } ], "sources": [] }, { "id": "fractions-solve-for-unknown-calculator", "version": "1.0.0", "name": "Fractions Solve for Unknown Calculator", "shortName": "Fractions Solve for Unknown", "description": "Solve an unknown term in an equivalent-fractions proportion a/b = c/d.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "fractions", "solve", "for", "unknown", "calculator", "fractions solve for unknown calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fractions-solve-for-unknown-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/fractions-solve-for-unknown-calculator/", "definition": "/calculator/fractions-solve-for-unknown-calculator/definition.json", "schema": "/calculator/fractions-solve-for-unknown-calculator/schema.json", "llms": "/calculator/fractions-solve-for-unknown-calculator/llms.txt", "legacyDefinition": "/calculator/fractions-solve-for-unknown-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fractions-solve-for-unknown-calculator/?unknown=d&a=3&b=4&c=9&d=12", "queryParameters": { "unknown": { "label": "Unknown term", "type": "select", "required": true, "default": "d" }, "a": { "label": "a", "type": "number", "required": true, "default": 3 }, "b": { "label": "b", "type": "number", "required": true, "default": 4 }, "c": { "label": "c", "type": "number", "required": true, "default": 9 }, "d": { "label": "d", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "unknown", "label": "Unknown term", "type": "select", "required": true, "defaultValue": "d", "options": [ { "label": "a in a/b = c/d", "value": "a" }, { "label": "b in a/b = c/d", "value": "b" }, { "label": "c in a/b = c/d", "value": "c" }, { "label": "d in a/b = c/d", "value": "d" } ] }, { "id": "a", "label": "a", "type": "number", "required": true, "defaultValue": 3, "step": 1 }, { "id": "b", "label": "b", "type": "number", "required": true, "defaultValue": 4, "step": 1 }, { "id": "c", "label": "c", "type": "number", "required": true, "defaultValue": 9, "step": 1 }, { "id": "d", "label": "d", "type": "number", "required": true, "defaultValue": 12, "step": 1 } ], "outputs": [ { "id": "solution", "label": "Unknown value", "format": "number", "primary": true, "digits": 12 }, { "id": "equation", "label": "Completed proportion", "format": "text" }, { "id": "crossProducts", "label": "Cross-products check", "format": "text" } ], "formula": { "expression": "a/b = c/d, so ad = bc" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "unknown": "d", "a": 3, "b": 4, "c": 9, "d": 12 } } ], "sources": [] }, { "id": "greatest-common-factor-calculator", "version": "7.0.0", "name": "Greatest Common Factor Calculator", "shortName": "Greatest Common Factor", "description": "Calculate the Greatest Common Factor (GCF/GCD) of two or more numbers.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "greatest", "common", "factor", "gcf calculator", "gcd calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/greatest-common-factor-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/greatest-common-factor-calculator/", "definition": "/calculator/greatest-common-factor-calculator/definition.json", "schema": "/calculator/greatest-common-factor-calculator/schema.json", "llms": "/calculator/greatest-common-factor-calculator/llms.txt", "legacyDefinition": "/calculator/greatest-common-factor-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/greatest-common-factor-calculator/?numbers=24%2C+36%2C+48", "queryParameters": { "numbers": { "label": "Enter numbers (comma separated)", "type": "text", "required": false, "default": "24, 36, 48" } }, "inputs": [ { "id": "numbers", "label": "Enter numbers (comma separated)", "type": "text", "defaultValue": "24, 36, 48" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "GCF is found with the Euclidean algorithm, extended across the full list." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numbers": "24, 36, 48" } } ], "sources": [] }, { "id": "half-life-calculator", "version": "7.0.0", "name": "Half-Life Calculator", "shortName": "Half-Life", "description": "Calculate radioactive decay, half-life, or remaining quantity.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "half", "life" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/half-life-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/half-life-calculator/", "definition": "/calculator/half-life-calculator/definition.json", "schema": "/calculator/half-life-calculator/schema.json", "llms": "/calculator/half-life-calculator/llms.txt", "legacyDefinition": "/calculator/half-life-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/half-life-calculator/?initial=100&time=10&remaining=50&mode=find-remaining", "queryParameters": { "initial": { "label": "Initial Quantity (N₀)", "type": "number", "required": false, "default": 100 }, "halfLife": { "label": "Half-Life (t½)", "type": "number", "required": false, "default": "" }, "time": { "label": "Elapsed Time (t)", "type": "number", "required": false, "default": 10 }, "remaining": { "label": "Remaining Quantity (Nₜ)", "type": "number", "required": false, "default": 50 }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "find-remaining" } }, "inputs": [ { "id": "initial", "label": "Initial Quantity (N₀)", "type": "number", "defaultValue": 100 }, { "id": "halfLife", "label": "Half-Life (t½)", "type": "number", "defaultValue": "" }, { "id": "time", "label": "Elapsed Time (t)", "type": "number", "defaultValue": 10 }, { "id": "remaining", "label": "Remaining Quantity (Nₜ)", "type": "number", "defaultValue": 50 }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "find-remaining" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Remaining amount = initial amount × (1/2)^(elapsed time ÷ half-life)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initial": 100, "halfLife": "", "time": 10, "remaining": 50, "mode": "find-remaining" } } ], "sources": [] }, { "id": "hex-calculator", "version": "7.0.0", "name": "Hex Calculator", "shortName": "Hex", "description": "Convert between Hexadecimal, Decimal, and Binary values instantly.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "hex" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hex-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/hex-calculator/", "definition": "/calculator/hex-calculator/definition.json", "schema": "/calculator/hex-calculator/schema.json", "llms": "/calculator/hex-calculator/llms.txt", "legacyDefinition": "/calculator/hex-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/hex-calculator/?hex=1A&decimal=26&binary=11010", "queryParameters": { "hex": { "label": "Hex", "type": "text", "required": false, "default": "1A" }, "decimal": { "label": "Decimal", "type": "number", "required": false, "default": 26 }, "binary": { "label": "Binary", "type": "text", "required": false, "default": "11010" } }, "inputs": [ { "id": "hex", "label": "Hex", "type": "text", "defaultValue": "1A" }, { "id": "decimal", "label": "Decimal", "type": "number", "defaultValue": 26 }, { "id": "binary", "label": "Binary", "type": "text", "defaultValue": "11010" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Values are converted among hexadecimal, decimal, and binary by positional base conversion." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "hex": "1A", "decimal": 26, "binary": "11010" } } ], "sources": [] }, { "id": "improper-fractions-to-mixed-numbers-calculator", "version": "1.0.0", "name": "Improper Fractions to Mixed Numbers Calculator", "shortName": "Improper Fractions to Mixed Numbers", "description": "Convert an improper fraction to a reduced mixed number.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "improper", "fractions", "to", "mixed", "numbers", "calculator", "improper fractions to mixed numbers calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/improper-fractions-to-mixed-numbers-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/improper-fractions-to-mixed-numbers-calculator/", "definition": "/calculator/improper-fractions-to-mixed-numbers-calculator/definition.json", "schema": "/calculator/improper-fractions-to-mixed-numbers-calculator/schema.json", "llms": "/calculator/improper-fractions-to-mixed-numbers-calculator/llms.txt", "legacyDefinition": "/calculator/improper-fractions-to-mixed-numbers-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/improper-fractions-to-mixed-numbers-calculator/?numerator=17&denominator=5", "queryParameters": { "numerator": { "label": "Numerator", "type": "number", "required": true, "default": 17 }, "denominator": { "label": "Denominator", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "numerator", "label": "Numerator", "type": "number", "required": true, "defaultValue": 17, "step": 1 }, { "id": "denominator", "label": "Denominator", "type": "number", "required": true, "defaultValue": 5, "step": 1 } ], "outputs": [ { "id": "mixedNumber", "label": "Mixed number", "format": "text", "primary": true }, { "id": "reducedFraction", "label": "Reduced improper fraction", "format": "text" }, { "id": "wholePart", "label": "Whole-number part", "format": "integer" }, { "id": "remainder", "label": "Remainder numerator", "format": "integer" } ], "formula": { "expression": "whole = trunc(numerator ÷ denominator); remainder = numerator − whole × denominator" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numerator": 17, "denominator": 5 } } ], "sources": [] }, { "id": "inverse-trigonometric-functions-calculator", "version": "1.0.0", "name": "Inverse Trigonometric Functions Calculator", "shortName": "Inverse Trigonometric Functions", "description": "Calculate arcsine, arccosine, or arctangent in degrees and radians.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "inverse", "trigonometric", "functions", "calculator", "inverse trigonometric functions calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/inverse-trigonometric-functions-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/inverse-trigonometric-functions-calculator/", "definition": "/calculator/inverse-trigonometric-functions-calculator/definition.json", "schema": "/calculator/inverse-trigonometric-functions-calculator/schema.json", "llms": "/calculator/inverse-trigonometric-functions-calculator/llms.txt", "legacyDefinition": "/calculator/inverse-trigonometric-functions-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/inverse-trigonometric-functions-calculator/?function=asin&value=0.5", "queryParameters": { "function": { "label": "Function", "type": "select", "required": true, "default": "asin" }, "value": { "label": "Input value", "type": "number", "required": true, "default": 0.5 } }, "inputs": [ { "id": "function", "label": "Function", "type": "select", "required": true, "defaultValue": "asin", "options": [ { "label": "Arcsine sin⁻¹", "value": "asin" }, { "label": "Arccosine cos⁻¹", "value": "acos" }, { "label": "Arctangent tan⁻¹", "value": "atan" } ] }, { "id": "value", "label": "Input value", "type": "number", "required": true, "defaultValue": 0.5, "step": 0.000001 } ], "outputs": [ { "id": "degrees", "label": "Angle in degrees", "format": "number", "primary": true, "digits": 10 }, { "id": "radians", "label": "Angle in radians", "format": "number", "digits": 10 }, { "id": "principalRange", "label": "Principal range", "format": "text" } ], "formula": { "expression": "θ = sin⁻¹(x), cos⁻¹(x), or tan⁻¹(x)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "function": "asin", "value": 0.5 } } ], "sources": [] }, { "id": "lattice-multiplication-calculator", "version": "1.0.0", "name": "Lattice Multiplication Calculator", "shortName": "Lattice Multiplication", "description": "Multiply nonnegative integers and show digit-by-digit partial products used by a lattice method.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "lattice", "multiplication", "calculator", "lattice multiplication calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/lattice-multiplication-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/lattice-multiplication-calculator/", "definition": "/calculator/lattice-multiplication-calculator/definition.json", "schema": "/calculator/lattice-multiplication-calculator/schema.json", "llms": "/calculator/lattice-multiplication-calculator/llms.txt", "legacyDefinition": "/calculator/lattice-multiplication-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/lattice-multiplication-calculator/?multiplicand=347&multiplier=58", "queryParameters": { "multiplicand": { "label": "Multiplicand", "type": "text", "required": true, "default": "347" }, "multiplier": { "label": "Multiplier", "type": "text", "required": true, "default": "58" } }, "inputs": [ { "id": "multiplicand", "label": "Multiplicand", "type": "text", "required": true, "defaultValue": "347", "placeholder": "Nonnegative integer" }, { "id": "multiplier", "label": "Multiplier", "type": "text", "required": true, "defaultValue": "58", "placeholder": "Nonnegative integer" } ], "outputs": [ { "id": "product", "label": "Product", "format": "text", "primary": true }, { "id": "digitProducts", "label": "Digit products", "format": "text" } ], "formula": { "expression": "product = multiplicand × multiplier; lattice cells contain each pair of digit products" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "multiplicand": "347", "multiplier": "58" } } ], "sources": [] }, { "id": "lcd-least-common-denominator-calculator", "version": "1.0.0", "name": "LCD Calculator - Least Common Denominator", "shortName": "LCD Calculator - Least Common Denominator", "description": "Find the least common denominator for two or more fractions or denominators.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "lcd", "calculator", "least", "common", "denominator", "lcd least common denominator calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/lcd-least-common-denominator-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/lcd-least-common-denominator-calculator/", "definition": "/calculator/lcd-least-common-denominator-calculator/definition.json", "schema": "/calculator/lcd-least-common-denominator-calculator/schema.json", "llms": "/calculator/lcd-least-common-denominator-calculator/llms.txt", "legacyDefinition": "/calculator/lcd-least-common-denominator-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/lcd-least-common-denominator-calculator/?denominators=6%2C+8%2C+15", "queryParameters": { "denominators": { "label": "Denominators", "type": "text", "required": true, "default": "6, 8, 15" } }, "inputs": [ { "id": "denominators", "label": "Denominators", "type": "text", "required": true, "defaultValue": "6, 8, 15", "placeholder": "Positive whole numbers separated by commas" } ], "outputs": [ { "id": "lcd", "label": "Least common denominator", "format": "text", "primary": true }, { "id": "count", "label": "Denominators used", "format": "integer" }, { "id": "primeFactors", "label": "LCD prime factorization", "format": "text" } ], "formula": { "expression": "LCD = least common multiple of all denominators" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "denominators": "6, 8, 15" } } ], "sources": [] }, { "id": "least-common-multiple-calculator", "version": "7.0.0", "name": "Least Common Multiple Calculator", "shortName": "Least Common Multiple", "description": "Calculate the Least Common Multiple (LCM) of two or more numbers.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "least", "common", "multiple", "lcm calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/least-common-multiple-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/least-common-multiple-calculator/", "definition": "/calculator/least-common-multiple-calculator/definition.json", "schema": "/calculator/least-common-multiple-calculator/schema.json", "llms": "/calculator/least-common-multiple-calculator/llms.txt", "legacyDefinition": "/calculator/least-common-multiple-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/least-common-multiple-calculator/?numbers=12%2C+18%2C+24", "queryParameters": { "numbers": { "label": "Enter numbers (comma separated)", "type": "text", "required": false, "default": "12, 18, 24" } }, "inputs": [ { "id": "numbers", "label": "Enter numbers (comma separated)", "type": "text", "defaultValue": "12, 18, 24" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "LCM(a,b) = |a×b| ÷ GCD(a,b), extended across the full list." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numbers": "12, 18, 24" } } ], "sources": [] }, { "id": "logarithm-calculator", "version": "7.0.0", "name": "Logarithm Calculator", "shortName": "Logarithm", "description": "Calculate the logarithm of a number with any base.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "logarithm", "log calculator", "common log", "natural log" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/logarithm-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/logarithm-calculator/", "definition": "/calculator/logarithm-calculator/definition.json", "schema": "/calculator/logarithm-calculator/schema.json", "llms": "/calculator/logarithm-calculator/llms.txt", "legacyDefinition": "/calculator/logarithm-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/logarithm-calculator/?base=10&number=100", "queryParameters": { "base": { "label": "Base", "type": "number", "required": false, "default": 10 }, "number": { "label": "Number", "type": "number", "required": false, "default": 100 } }, "inputs": [ { "id": "base", "label": "Base", "type": "number", "defaultValue": 10 }, { "id": "number", "label": "Number", "type": "number", "defaultValue": 100 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "log base b of x = ln(x) ÷ ln(b)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "base": 10, "number": 100 } } ], "sources": [] }, { "id": "long-addition-calculator", "version": "1.0.0", "name": "Long Addition Calculator", "shortName": "Long Addition", "description": "Add a list of whole integers exactly and show a running total.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "long", "addition", "calculator", "long addition calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/long-addition-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/long-addition-calculator/", "definition": "/calculator/long-addition-calculator/definition.json", "schema": "/calculator/long-addition-calculator/schema.json", "llms": "/calculator/long-addition-calculator/llms.txt", "legacyDefinition": "/calculator/long-addition-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/long-addition-calculator/?numbers=123456789012345%2C+987654321098765%2C+-111111111111111", "queryParameters": { "numbers": { "label": "Integers to add", "type": "text", "required": true, "default": "123456789012345, 987654321098765, -111111111111111" } }, "inputs": [ { "id": "numbers", "label": "Integers to add", "type": "text", "required": true, "defaultValue": "123456789012345, 987654321098765, -111111111111111", "placeholder": "Comma or space separated integers" } ], "outputs": [ { "id": "sum", "label": "Exact sum", "format": "text", "primary": true }, { "id": "count", "label": "Number of addends", "format": "integer" } ], "formula": { "expression": "sum = a₁ + a₂ + ··· + aₙ using integer arithmetic" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numbers": "123456789012345, 987654321098765, -111111111111111" } } ], "sources": [] }, { "id": "long-division-calculator", "version": "7.0.0", "name": "Long Division Calculator", "shortName": "Long Division", "description": "Calculate quotient and remainder for division problems.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "long", "division" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/long-division-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/long-division-calculator/", "definition": "/calculator/long-division-calculator/definition.json", "schema": "/calculator/long-division-calculator/schema.json", "llms": "/calculator/long-division-calculator/llms.txt", "legacyDefinition": "/calculator/long-division-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/long-division-calculator/?dividend=100&divisor=7", "queryParameters": { "dividend": { "label": "Dividend", "type": "number", "required": false, "default": 100 }, "divisor": { "label": "Divisor", "type": "number", "required": false, "default": 7 } }, "inputs": [ { "id": "dividend", "label": "Dividend", "type": "number", "defaultValue": 100 }, { "id": "divisor", "label": "Divisor", "type": "number", "defaultValue": 7 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Quotient = floor(dividend ÷ divisor); remainder = dividend − divisor × quotient." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "dividend": 100, "divisor": 7 } } ], "sources": [] }, { "id": "long-multiplication-calculator", "version": "1.0.0", "name": "Long Multiplication Calculator", "shortName": "Long Multiplication", "description": "Multiply whole integers exactly and display place-value partial products.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "long", "multiplication", "calculator", "long multiplication calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/long-multiplication-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/long-multiplication-calculator/", "definition": "/calculator/long-multiplication-calculator/definition.json", "schema": "/calculator/long-multiplication-calculator/schema.json", "llms": "/calculator/long-multiplication-calculator/llms.txt", "legacyDefinition": "/calculator/long-multiplication-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/long-multiplication-calculator/?multiplicand=123456789012345&multiplier=98765", "queryParameters": { "multiplicand": { "label": "Multiplicand", "type": "text", "required": true, "default": "123456789012345" }, "multiplier": { "label": "Multiplier", "type": "text", "required": true, "default": "98765" } }, "inputs": [ { "id": "multiplicand", "label": "Multiplicand", "type": "text", "required": true, "defaultValue": "123456789012345" }, { "id": "multiplier", "label": "Multiplier", "type": "text", "required": true, "defaultValue": "98765" } ], "outputs": [ { "id": "product", "label": "Exact product", "format": "text", "primary": true }, { "id": "partialCount", "label": "Partial products", "format": "integer" } ], "formula": { "expression": "product = multiplicand × multiplier using place-value partial products" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "multiplicand": "123456789012345", "multiplier": "98765" } } ], "sources": [] }, { "id": "long-subtraction-calculator", "version": "1.0.0", "name": "Long Subtraction Calculator", "shortName": "Long Subtraction", "description": "Subtract one whole integer from another exactly.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "long", "subtraction", "calculator", "long subtraction calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/long-subtraction-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/long-subtraction-calculator/", "definition": "/calculator/long-subtraction-calculator/definition.json", "schema": "/calculator/long-subtraction-calculator/schema.json", "llms": "/calculator/long-subtraction-calculator/llms.txt", "legacyDefinition": "/calculator/long-subtraction-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/long-subtraction-calculator/?minuend=1000000000000000&subtrahend=987654321098765", "queryParameters": { "minuend": { "label": "Minuend", "type": "text", "required": true, "default": "1000000000000000" }, "subtrahend": { "label": "Subtrahend", "type": "text", "required": true, "default": "987654321098765" } }, "inputs": [ { "id": "minuend", "label": "Minuend", "type": "text", "required": true, "defaultValue": "1000000000000000" }, { "id": "subtrahend", "label": "Subtrahend", "type": "text", "required": true, "defaultValue": "987654321098765" } ], "outputs": [ { "id": "difference", "label": "Exact difference", "format": "text", "primary": true }, { "id": "absoluteDifference", "label": "Absolute difference", "format": "text" } ], "formula": { "expression": "difference = minuend − subtrahend" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "minuend": "1000000000000000", "subtrahend": "987654321098765" } } ], "sources": [] }, { "id": "math-equation-solver", "version": "1.0.0", "name": "Math Equation Solver", "shortName": "Math Equation Solver", "description": "Solve a linear equation ax + b = c or a quadratic equation ax² + bx + c = 0.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "math", "equation", "solver", "math equation solver" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/math-equation-solver.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/math-equation-solver/", "definition": "/calculator/math-equation-solver/definition.json", "schema": "/calculator/math-equation-solver/schema.json", "llms": "/calculator/math-equation-solver/llms.txt", "legacyDefinition": "/calculator/math-equation-solver.json" }, "queryExample": "https://askcalculators.com/calculator/math-equation-solver/?equationType=linear&a=2&b=3&c=11", "queryParameters": { "equationType": { "label": "Equation type", "type": "select", "required": true, "default": "linear" }, "a": { "label": "a", "type": "number", "required": true, "default": 2 }, "b": { "label": "b", "type": "number", "required": true, "default": 3 }, "c": { "label": "c", "type": "number", "required": true, "default": 11 } }, "inputs": [ { "id": "equationType", "label": "Equation type", "type": "select", "required": true, "defaultValue": "linear", "options": [ { "label": "Linear: ax + b = c", "value": "linear" }, { "label": "Quadratic: ax² + bx + c = 0", "value": "quadratic" } ] }, { "id": "a", "label": "a", "type": "number", "required": true, "defaultValue": 2, "step": 0.001 }, { "id": "b", "label": "b", "type": "number", "required": true, "defaultValue": 3, "step": 0.001 }, { "id": "c", "label": "c", "type": "number", "required": true, "defaultValue": 11, "step": 0.001 } ], "outputs": [ { "id": "solution", "label": "Solution", "format": "text", "primary": true }, { "id": "discriminant", "label": "Discriminant (quadratic)", "format": "number", "digits": 8 }, { "id": "verification", "label": "Verification", "format": "text" } ], "formula": { "expression": "linear x = (c − b) ÷ a; quadratic x = [−b ± √(b² − 4ac)] ÷ 2a" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "equationType": "linear", "a": 2, "b": 3, "c": 11 } } ], "sources": [] }, { "id": "math-word-problems-addition-and-multiplication-calculator", "version": "1.0.0", "name": "Math Word Problems: Addition & Multiplication Calculator", "shortName": "Math Word Problems: Addition & Multiplicat", "description": "Model a common groups-times-items-plus-extra word problem.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "math", "word", "problems", "addition", "multiplication", "calculator", "math word problems addition and multiplication calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/math-word-problems-addition-and-multiplication-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/math-word-problems-addition-and-multiplication-calculator/", "definition": "/calculator/math-word-problems-addition-and-multiplication-calculator/definition.json", "schema": "/calculator/math-word-problems-addition-and-multiplication-calculator/schema.json", "llms": "/calculator/math-word-problems-addition-and-multiplication-calculator/llms.txt", "legacyDefinition": "/calculator/math-word-problems-addition-and-multiplication-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/math-word-problems-addition-and-multiplication-calculator/?groups=8&itemsPerGroup=12&extraItems=5", "queryParameters": { "groups": { "label": "Number of groups", "type": "number", "required": true, "default": 8 }, "itemsPerGroup": { "label": "Items per group", "type": "number", "required": true, "default": 12 }, "extraItems": { "label": "Extra items added", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "groups", "label": "Number of groups", "type": "number", "required": true, "defaultValue": 8, "min": 0, "step": 1 }, { "id": "itemsPerGroup", "label": "Items per group", "type": "number", "required": true, "defaultValue": 12, "min": 0, "step": 0.01 }, { "id": "extraItems", "label": "Extra items added", "type": "number", "required": true, "defaultValue": 5, "step": 0.01 } ], "outputs": [ { "id": "total", "label": "Total items", "format": "number", "primary": true, "digits": 8 }, { "id": "equation", "label": "Equation", "format": "text" }, { "id": "multiplicationSubtotal", "label": "Groups subtotal", "format": "number", "digits": 8 } ], "formula": { "expression": "total = groups × items per group + extra items" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "groups": 8, "itemsPerGroup": 12, "extraItems": 5 } } ], "sources": [] }, { "id": "math-word-problems-division-calculator", "version": "1.0.0", "name": "Math Word Problems: Division Calculator", "shortName": "Math Word Problems: Division", "description": "Solve equal-sharing and equal-grouping division word problems.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "math", "word", "problems", "division", "calculator", "math word problems division calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/math-word-problems-division-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/math-word-problems-division-calculator/", "definition": "/calculator/math-word-problems-division-calculator/definition.json", "schema": "/calculator/math-word-problems-division-calculator/schema.json", "llms": "/calculator/math-word-problems-division-calculator/llms.txt", "legacyDefinition": "/calculator/math-word-problems-division-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/math-word-problems-division-calculator/?solveFor=itemsPerGroup&total=96&groups=8&itemsPerGroup=12", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "itemsPerGroup" }, "total": { "label": "Total items", "type": "number", "required": true, "default": 96 }, "groups": { "label": "Number of groups", "type": "number", "required": true, "default": 8 }, "itemsPerGroup": { "label": "Items per group", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "itemsPerGroup", "options": [ { "label": "Items per group", "value": "itemsPerGroup" }, { "label": "Number of groups", "value": "groups" }, { "label": "Total items", "value": "total" } ] }, { "id": "total", "label": "Total items", "type": "number", "required": true, "defaultValue": 96, "min": 0, "step": 0.01 }, { "id": "groups", "label": "Number of groups", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01 }, { "id": "itemsPerGroup", "label": "Items per group", "type": "number", "required": true, "defaultValue": 12, "min": 0.000001, "step": 0.01 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "equation", "label": "Equation", "format": "text" }, { "id": "wholeGroups", "label": "Whole groups possible", "format": "integer" }, { "id": "remainder", "label": "Remainder", "format": "number", "digits": 8 } ], "formula": { "expression": "total = groups × items per group" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "itemsPerGroup", "total": 96, "groups": 8, "itemsPerGroup": 12 } } ], "sources": [] }, { "id": "matrix-calculator", "version": "7.0.0", "name": "Matrix Calculator", "shortName": "Matrix", "description": "Perform addition, subtraction, and multiplication on 2x2 and 3x3 matrices.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "matrix" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/matrix-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/matrix-calculator/", "definition": "/calculator/matrix-calculator/definition.json", "schema": "/calculator/matrix-calculator/schema.json", "llms": "/calculator/matrix-calculator/llms.txt", "legacyDefinition": "/calculator/matrix-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/matrix-calculator/?size=2&operation=%2B", "queryParameters": { "val": { "label": "Val", "type": "number", "required": false }, "size": { "label": "Matrix size", "type": "select", "required": false, "default": "2" }, "operation": { "label": "Operation", "type": "select", "required": false, "default": "+" } }, "inputs": [ { "id": "val", "label": "Val", "type": "number" }, { "id": "size", "label": "Matrix size", "type": "select", "defaultValue": "2" }, { "id": "operation", "label": "Operation", "type": "select", "defaultValue": "+" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Matrix addition, subtraction, multiplication, or determinant follows the selected linear-algebra operation." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "size": "2", "operation": "+" } } ], "sources": [] }, { "id": "mean-median-mode-range-calculator", "version": "2.0.0", "name": "Mean, Median, Mode, Range Calculator", "shortName": "Mean median mode", "description": "Calculate mean, median, mode, range, minimum, maximum, sum, and a sorted data table.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "mean", "median", "mode", "range", "minimum", "maximum", "descriptive statistics" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mean-median-mode-range-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mean-median-mode-range-calculator/", "definition": "/calculator/mean-median-mode-range-calculator/definition.json", "schema": "/calculator/mean-median-mode-range-calculator/schema.json", "llms": "/calculator/mean-median-mode-range-calculator/llms.txt", "legacyDefinition": "/calculator/mean-median-mode-range-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mean-median-mode-range-calculator/?values=10%2C+2%2C+38%2C+23%2C+38%2C+23%2C+21", "queryParameters": { "values": { "label": "Numbers", "type": "text", "required": true, "default": "10, 2, 38, 23, 38, 23, 21" } }, "inputs": [ { "id": "values", "label": "Numbers", "type": "text", "required": true, "defaultValue": "10, 2, 38, 23, 38, 23, 21", "placeholder": "10, 2, 38, 23", "help": "Separate values with commas, spaces, or semicolons.", "width": "full" } ], "outputs": [ { "id": "mean", "label": "Mean", "format": "number", "primary": true, "digits": 6 }, { "id": "median", "label": "Median", "format": "number", "digits": 6 }, { "id": "mode", "label": "Mode", "format": "text" }, { "id": "range", "label": "Range", "format": "number", "digits": 6 }, { "id": "minimum", "label": "Minimum", "format": "number", "digits": 6 }, { "id": "maximum", "label": "Maximum", "format": "number", "digits": 6 }, { "id": "sum", "label": "Sum", "format": "number", "digits": 6 }, { "id": "count", "label": "Count", "format": "integer" }, { "id": "sortedValues", "label": "Sorted values", "format": "text" } ], "formula": { "expression": "Mean=Σx/n; median is the middle sorted value; mode is the most frequent value; range=max−min." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "values": "10, 2, 38, 23, 38, 23, 21" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/mean-median-mode-range-calculator.html" } ] }, { "id": "mixed-number-to-decimal-calculator", "version": "1.0.0", "name": "Mixed Number to Decimal Calculator", "shortName": "Mixed Number to Decimal", "description": "Convert a mixed number to a decimal and improper fraction.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "mixed", "number", "to", "decimal", "calculator", "mixed number to decimal calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mixed-number-to-decimal-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mixed-number-to-decimal-calculator/", "definition": "/calculator/mixed-number-to-decimal-calculator/definition.json", "schema": "/calculator/mixed-number-to-decimal-calculator/schema.json", "llms": "/calculator/mixed-number-to-decimal-calculator/llms.txt", "legacyDefinition": "/calculator/mixed-number-to-decimal-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mixed-number-to-decimal-calculator/?whole=3&numerator=5&denominator=8", "queryParameters": { "whole": { "label": "Whole number", "type": "number", "required": true, "default": 3 }, "numerator": { "label": "Fraction numerator", "type": "number", "required": true, "default": 5 }, "denominator": { "label": "Fraction denominator", "type": "number", "required": true, "default": 8 } }, "inputs": [ { "id": "whole", "label": "Whole number", "type": "number", "required": true, "defaultValue": 3, "step": 1 }, { "id": "numerator", "label": "Fraction numerator", "type": "number", "required": true, "defaultValue": 5, "min": 0, "step": 1 }, { "id": "denominator", "label": "Fraction denominator", "type": "number", "required": true, "defaultValue": 8, "min": 1, "step": 1 } ], "outputs": [ { "id": "decimal", "label": "Decimal value", "format": "number", "primary": true, "digits": 15 }, { "id": "improperFraction", "label": "Improper fraction", "format": "text" }, { "id": "percent", "label": "Percentage", "format": "percent", "digits": 8 } ], "formula": { "expression": "decimal = whole + numerator ÷ denominator, preserving the sign of the whole number" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "whole": 3, "numerator": 5, "denominator": 8 } } ], "sources": [] }, { "id": "mixed-number-to-percent-calculator", "version": "1.0.0", "name": "Mixed Number to Percent Calculator", "shortName": "Mixed Number to Percent", "description": "Convert a mixed number to a decimal percentage.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "mixed", "number", "to", "percent", "calculator", "mixed number to percent calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mixed-number-to-percent-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mixed-number-to-percent-calculator/", "definition": "/calculator/mixed-number-to-percent-calculator/definition.json", "schema": "/calculator/mixed-number-to-percent-calculator/schema.json", "llms": "/calculator/mixed-number-to-percent-calculator/llms.txt", "legacyDefinition": "/calculator/mixed-number-to-percent-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mixed-number-to-percent-calculator/?whole=2&numerator=1&denominator=4", "queryParameters": { "whole": { "label": "Whole number", "type": "number", "required": true, "default": 2 }, "numerator": { "label": "Fraction numerator", "type": "number", "required": true, "default": 1 }, "denominator": { "label": "Fraction denominator", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "whole", "label": "Whole number", "type": "number", "required": true, "defaultValue": 2, "step": 1 }, { "id": "numerator", "label": "Fraction numerator", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 1 }, { "id": "denominator", "label": "Fraction denominator", "type": "number", "required": true, "defaultValue": 4, "min": 1, "step": 1 } ], "outputs": [ { "id": "percent", "label": "Percentage", "format": "percent", "primary": true, "digits": 8 }, { "id": "improperFraction", "label": "Improper fraction", "format": "text" }, { "id": "decimal", "label": "Decimal value", "format": "number", "digits": 12 } ], "formula": { "expression": "percent = (whole + numerator ÷ denominator) × 100%" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "whole": 2, "numerator": 1, "denominator": 4 } } ], "sources": [] }, { "id": "mixed-numbers-calculator", "version": "1.0.0", "name": "Mixed Numbers Calculator", "shortName": "Mixed Numbers", "description": "Add, subtract, multiply, or divide two mixed numbers with an exact reduced result.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "mixed", "numbers", "calculator", "mixed numbers calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mixed-numbers-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mixed-numbers-calculator/", "definition": "/calculator/mixed-numbers-calculator/definition.json", "schema": "/calculator/mixed-numbers-calculator/schema.json", "llms": "/calculator/mixed-numbers-calculator/llms.txt", "legacyDefinition": "/calculator/mixed-numbers-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mixed-numbers-calculator/?operation=add&wholeA=2&numeratorA=1&denominatorA=3&wholeB=1&numeratorB=3&denominatorB=4", "queryParameters": { "operation": { "label": "Operation", "type": "select", "required": true, "default": "add" }, "wholeA": { "label": "First whole number", "type": "number", "required": true, "default": 2 }, "numeratorA": { "label": "First numerator", "type": "number", "required": true, "default": 1 }, "denominatorA": { "label": "First denominator", "type": "number", "required": true, "default": 3 }, "wholeB": { "label": "Second whole number", "type": "number", "required": true, "default": 1 }, "numeratorB": { "label": "Second numerator", "type": "number", "required": true, "default": 3 }, "denominatorB": { "label": "Second denominator", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "operation", "label": "Operation", "type": "select", "required": true, "defaultValue": "add", "options": [ { "label": "Add", "value": "add" }, { "label": "Subtract", "value": "subtract" }, { "label": "Multiply", "value": "multiply" }, { "label": "Divide", "value": "divide" } ] }, { "id": "wholeA", "label": "First whole number", "type": "number", "required": true, "defaultValue": 2, "step": 1 }, { "id": "numeratorA", "label": "First numerator", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 1 }, { "id": "denominatorA", "label": "First denominator", "type": "number", "required": true, "defaultValue": 3, "min": 1, "step": 1 }, { "id": "wholeB", "label": "Second whole number", "type": "number", "required": true, "defaultValue": 1, "step": 1 }, { "id": "numeratorB", "label": "Second numerator", "type": "number", "required": true, "defaultValue": 3, "min": 0, "step": 1 }, { "id": "denominatorB", "label": "Second denominator", "type": "number", "required": true, "defaultValue": 4, "min": 1, "step": 1 } ], "outputs": [ { "id": "mixedResult", "label": "Mixed-number result", "format": "text", "primary": true }, { "id": "fractionResult", "label": "Improper fraction", "format": "text" }, { "id": "decimalResult", "label": "Decimal result", "format": "number", "digits": 12 } ], "formula": { "expression": "convert each mixed number to an improper fraction, perform the operation, then reduce" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "operation": "add", "wholeA": 2, "numeratorA": 1, "denominatorA": 3, "wholeB": 1, "numeratorB": 3, "denominatorB": 4 } } ], "sources": [] }, { "id": "mixed-numbers-to-improper-fractions-calculator", "version": "1.0.0", "name": "Mixed Numbers to Improper Fractions Calculator", "shortName": "Mixed Numbers to Improper Fractions", "description": "Convert a mixed number to a reduced improper fraction.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "mixed", "numbers", "to", "improper", "fractions", "calculator", "mixed numbers to improper fractions calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mixed-numbers-to-improper-fractions-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mixed-numbers-to-improper-fractions-calculator/", "definition": "/calculator/mixed-numbers-to-improper-fractions-calculator/definition.json", "schema": "/calculator/mixed-numbers-to-improper-fractions-calculator/schema.json", "llms": "/calculator/mixed-numbers-to-improper-fractions-calculator/llms.txt", "legacyDefinition": "/calculator/mixed-numbers-to-improper-fractions-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mixed-numbers-to-improper-fractions-calculator/?whole=3&numerator=2&denominator=5", "queryParameters": { "whole": { "label": "Whole number", "type": "number", "required": true, "default": 3 }, "numerator": { "label": "Fraction numerator", "type": "number", "required": true, "default": 2 }, "denominator": { "label": "Fraction denominator", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "whole", "label": "Whole number", "type": "number", "required": true, "defaultValue": 3, "step": 1 }, { "id": "numerator", "label": "Fraction numerator", "type": "number", "required": true, "defaultValue": 2, "min": 0, "step": 1 }, { "id": "denominator", "label": "Fraction denominator", "type": "number", "required": true, "defaultValue": 5, "min": 1, "step": 1 } ], "outputs": [ { "id": "improperFraction", "label": "Improper fraction", "format": "text", "primary": true }, { "id": "decimal", "label": "Decimal value", "format": "number", "digits": 12 }, { "id": "conversion", "label": "Conversion", "format": "text" } ], "formula": { "expression": "improper numerator = |whole| × denominator + numerator, with the whole-number sign applied to the result" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "whole": 3, "numerator": 2, "denominator": 5 } } ], "sources": [] }, { "id": "multifactorial-n-to-n-calculator", "version": "1.0.0", "name": "Multifactorial Calculator n! to n!!!!!", "shortName": "Multifactorial Calculator n! to n!!!!!", "description": "Calculate n-factorials with step sizes from one through five using exact integer arithmetic.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "multifactorial", "calculator", "n", "to", "multifactorial n to n calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/multifactorial-n-to-n-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/multifactorial-n-to-n-calculator/", "definition": "/calculator/multifactorial-n-to-n-calculator/definition.json", "schema": "/calculator/multifactorial-n-to-n-calculator/schema.json", "llms": "/calculator/multifactorial-n-to-n-calculator/llms.txt", "legacyDefinition": "/calculator/multifactorial-n-to-n-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/multifactorial-n-to-n-calculator/?n=10&order=2", "queryParameters": { "n": { "label": "n", "type": "number", "required": true, "default": 10 }, "order": { "label": "Number of factorial marks", "type": "number", "required": true, "default": 2 } }, "inputs": [ { "id": "n", "label": "n", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 10000, "step": 1 }, { "id": "order", "label": "Number of factorial marks", "type": "number", "required": true, "defaultValue": 2, "min": 1, "max": 5, "step": 1 } ], "outputs": [ { "id": "result", "label": "Multifactorial", "format": "text", "primary": true }, { "id": "termCount", "label": "Number of multiplied terms", "format": "integer" }, { "id": "notation", "label": "Notation", "format": "text" } ], "formula": { "expression": "n!ₖ = n(n − k)(n − 2k)… until the next factor would be nonpositive" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "n": 10, "order": 2 } } ], "sources": [] }, { "id": "number-sequence-calculator", "version": "2.0.0", "name": "Number Sequence Calculator", "shortName": "Number sequence", "description": "Find terms, partial sums, and a preview for arithmetic, geometric, or Fibonacci sequences.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "number sequence", "arithmetic sequence", "geometric sequence", "fibonacci sequence", "nth term", "series sum" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/number-sequence-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/number-sequence-calculator/", "definition": "/calculator/number-sequence-calculator/definition.json", "schema": "/calculator/number-sequence-calculator/schema.json", "llms": "/calculator/number-sequence-calculator/llms.txt", "legacyDefinition": "/calculator/number-sequence-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/number-sequence-calculator/?sequenceType=arithmetic&firstTerm=1&commonValue=2&termNumber=10", "queryParameters": { "sequenceType": { "label": "Sequence type", "type": "select", "required": true, "default": "arithmetic" }, "firstTerm": { "label": "First term", "type": "number", "required": true, "default": 1 }, "commonValue": { "label": "Common difference or ratio", "type": "number", "required": true, "default": 2 }, "termNumber": { "label": "Term number (n)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "sequenceType", "label": "Sequence type", "type": "select", "required": true, "defaultValue": "arithmetic", "options": [ { "label": "Arithmetic", "value": "arithmetic" }, { "label": "Geometric", "value": "geometric" }, { "label": "Fibonacci", "value": "fibonacci" } ], "width": "full" }, { "id": "firstTerm", "label": "First term", "type": "number", "required": true, "defaultValue": 1, "step": 0.01, "width": "half" }, { "id": "commonValue", "label": "Common difference or ratio", "type": "number", "required": true, "defaultValue": 2, "step": 0.01, "help": "Ignored for Fibonacci sequences.", "width": "half" }, { "id": "termNumber", "label": "Term number (n)", "type": "number", "required": true, "defaultValue": 10, "min": 1, "max": 1000, "step": 1, "width": "full" } ], "outputs": [ { "id": "nthTerm", "label": "n-th term", "format": "text", "primary": true }, { "id": "sum", "label": "Sum through n", "format": "text" }, { "id": "sequencePreview", "label": "First terms", "format": "text" }, { "id": "sequenceTypeLabel", "label": "Sequence type", "format": "text" } ], "formula": { "expression": "Arithmetic: aₙ=a₁+(n−1)d; geometric: aₙ=a₁rⁿ⁻¹; Fibonacci: Fₙ=Fₙ₋₁+Fₙ₋₂." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sequenceType": "arithmetic", "firstTerm": 1, "commonValue": 2, "termNumber": 10 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/number-sequence-calculator.html" } ] }, { "id": "odd-permutations-calculator", "version": "1.0.0", "name": "Odd Permutations Calculator", "shortName": "Odd Permutations", "description": "Count the odd permutations of a set of distinct elements.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "odd", "permutations", "calculator", "odd permutations calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/odd-permutations-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/odd-permutations-calculator/", "definition": "/calculator/odd-permutations-calculator/definition.json", "schema": "/calculator/odd-permutations-calculator/schema.json", "llms": "/calculator/odd-permutations-calculator/llms.txt", "legacyDefinition": "/calculator/odd-permutations-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/odd-permutations-calculator/?n=6", "queryParameters": { "n": { "label": "Number of elements n", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "n", "label": "Number of elements n", "type": "number", "required": true, "defaultValue": 6, "min": 2, "max": 1000, "step": 1 } ], "outputs": [ { "id": "permutations", "label": "Odd permutations", "format": "text", "primary": true }, { "id": "totalPermutations", "label": "Total permutations n!", "format": "text" } ], "formula": { "expression": "odd permutations = n! ÷ 2 for n ≥ 2" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "n": 6 } } ], "sources": [] }, { "id": "odds-calculator", "version": "1.0.0", "name": "Odds Calculator", "shortName": "Odds", "description": "Convert probability to odds for and against, or convert entered odds to probability.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "odds", "calculator", "odds calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/odds-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/odds-calculator/", "definition": "/calculator/odds-calculator/definition.json", "schema": "/calculator/odds-calculator/schema.json", "llms": "/calculator/odds-calculator/llms.txt", "legacyDefinition": "/calculator/odds-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/odds-calculator/?mode=oddsFor&a=3&b=2&probability=60", "queryParameters": { "mode": { "label": "Input type", "type": "select", "required": true, "default": "oddsFor" }, "a": { "label": "A", "type": "number", "required": true, "default": 3 }, "b": { "label": "B", "type": "number", "required": true, "default": 2 }, "probability": { "label": "Probability of winning (%)", "type": "number", "required": true, "default": 60 } }, "inputs": [ { "id": "mode", "label": "Input type", "type": "select", "required": true, "defaultValue": "oddsFor", "options": [ { "label": "Odds for winning A:B", "value": "oddsFor" }, { "label": "Odds against winning A:B", "value": "oddsAgainst" }, { "label": "Probability of winning (%)", "value": "probability" } ] }, { "id": "a", "label": "A", "type": "number", "required": true, "defaultValue": 3, "min": 0, "step": 0.0001 }, { "id": "b", "label": "B", "type": "number", "required": true, "defaultValue": 2, "min": 0, "step": 0.0001 }, { "id": "probability", "label": "Probability of winning (%)", "type": "number", "required": true, "defaultValue": 60, "min": 0, "max": 100, "step": 0.0001 } ], "outputs": [ { "id": "winProbability", "label": "Winning probability", "format": "percent", "primary": true, "digits": 6 }, { "id": "loseProbability", "label": "Losing probability", "format": "percent", "digits": 6 }, { "id": "oddsFor", "label": "Odds for", "format": "text" }, { "id": "oddsAgainst", "label": "Odds against", "format": "text" } ], "formula": { "expression": "for odds A:B, probability = A ÷ (A + B); odds against interchange success and failure" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "oddsFor", "a": 3, "b": 2, "probability": 60 } } ], "sources": [] }, { "id": "ordering-fractions-calculator", "version": "1.0.0", "name": "Ordering Fractions Calculator", "shortName": "Ordering Fractions", "description": "Sort a list of integers, fractions, decimals, or mixed numbers from least to greatest or greatest to least.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "ordering", "fractions", "calculator", "ordering fractions calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ordering-fractions-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/ordering-fractions-calculator/", "definition": "/calculator/ordering-fractions-calculator/definition.json", "schema": "/calculator/ordering-fractions-calculator/schema.json", "llms": "/calculator/ordering-fractions-calculator/llms.txt", "legacyDefinition": "/calculator/ordering-fractions-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ordering-fractions-calculator/?fractions=3%2F4%2C+2%2F3%2C+1+1%2F8%2C+0.5&direction=ascending", "queryParameters": { "fractions": { "label": "Values to order", "type": "text", "required": true, "default": "3/4, 2/3, 1 1/8, 0.5" }, "direction": { "label": "Order", "type": "select", "required": true, "default": "ascending" } }, "inputs": [ { "id": "fractions", "label": "Values to order", "type": "text", "required": true, "defaultValue": "3/4, 2/3, 1 1/8, 0.5" }, { "id": "direction", "label": "Order", "type": "select", "required": true, "defaultValue": "ascending", "options": [ { "label": "Least to greatest", "value": "ascending" }, { "label": "Greatest to least", "value": "descending" } ] } ], "outputs": [ { "id": "ordered", "label": "Ordered values", "format": "text", "primary": true }, { "id": "count", "label": "Values sorted", "format": "integer" }, { "id": "minimum", "label": "Minimum", "format": "text" }, { "id": "maximum", "label": "Maximum", "format": "text" } ], "formula": { "expression": "fractions are compared exactly by cross multiplication" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "fractions": "3/4, 2/3, 1 1/8, 0.5", "direction": "ascending" } } ], "sources": [] }, { "id": "p-value-calculator", "version": "7.0.0", "name": "P-value Calculator", "shortName": "P-value", "description": "Calculate P-values from Z-scores (Normal Distribution).", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "value" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/p-value-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Implements a normal z test only, not a general p-value calculator for every statistical model.", "urls": { "page": "/calculator/p-value-calculator/", "definition": "/calculator/p-value-calculator/definition.json", "schema": "/calculator/p-value-calculator/schema.json", "llms": "/calculator/p-value-calculator/llms.txt", "legacyDefinition": "/calculator/p-value-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/p-value-calculator/?zScore=1.96", "queryParameters": { "zScore": { "label": "Z-score", "type": "number", "required": false, "default": 1.96 } }, "inputs": [ { "id": "zScore", "label": "Z-score", "type": "number", "defaultValue": 1.96 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "For the selected normal z test, the p-value is calculated from the standard-normal cumulative distribution and the chosen tail.", "note": "Implements a normal z test only, not a general p-value calculator for every statistical model." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "zScore": 1.96 } } ], "sources": [] }, { "id": "percent-error-calculator", "version": "1.0.0", "name": "Percent Error Calculator", "shortName": "Percent error", "description": "Compare an observed value with an exact or accepted value.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "percentage error", "absolute error", "observed value", "accepted value" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percent-error-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percent-error-calculator/", "definition": "/calculator/percent-error-calculator/definition.json", "schema": "/calculator/percent-error-calculator/schema.json", "llms": "/calculator/percent-error-calculator/llms.txt", "legacyDefinition": "/calculator/percent-error-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percent-error-calculator/?observed=9.7&exact=10", "queryParameters": { "observed": { "label": "Observed value", "type": "number", "required": true, "default": 9.7 }, "exact": { "label": "Exact value", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "observed", "label": "Observed value", "type": "number", "required": true, "defaultValue": 9.7, "step": 0.01, "width": "half" }, { "id": "exact", "label": "Exact value", "type": "number", "required": true, "defaultValue": 10, "step": 0.01, "width": "half" } ], "outputs": [ { "id": "percentError", "label": "Percent error", "format": "percent", "primary": true }, { "id": "absoluteError", "label": "Absolute error", "format": "number" }, { "id": "signedError", "label": "Signed error", "format": "number" } ], "formula": { "expression": "Percent error = |observed − exact| ÷ |exact| × 100" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "observed": 9.7, "exact": 10 } } ], "sources": [] }, { "id": "percentage-calculator", "version": "1.0.0", "name": "Percentage Calculator", "shortName": "Percentage", "description": "Solve five common percentage problems without changing pages.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "percent calculator", "percent of", "percentage difference", "percentage change", "increase", "decrease", "ratio" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percentage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percentage-calculator/", "definition": "/calculator/percentage-calculator/definition.json", "schema": "/calculator/percentage-calculator/schema.json", "llms": "/calculator/percentage-calculator/llms.txt", "legacyDefinition": "/calculator/percentage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percentage-calculator/?operation=percentOf&x=20&y=500", "queryParameters": { "operation": { "label": "Calculation", "type": "select", "required": true, "default": "percentOf" }, "x": { "label": "X", "type": "number", "required": true, "default": 20 }, "y": { "label": "Y", "type": "number", "required": true, "default": 500 } }, "inputs": [ { "id": "operation", "label": "Calculation", "type": "select", "required": true, "defaultValue": "percentOf", "options": [ { "label": "What is X% of Y?", "value": "percentOf" }, { "label": "X is what percent of Y?", "value": "whatPercent" }, { "label": "Increase X by Y%", "value": "increase" }, { "label": "Decrease X by Y%", "value": "decrease" }, { "label": "Percent change from X to Y", "value": "change" } ], "width": "full" }, { "id": "x", "label": "X", "type": "number", "required": true, "defaultValue": 20, "step": 0.01, "width": "half" }, { "id": "y", "label": "Y", "type": "number", "required": true, "defaultValue": 500, "step": 0.01, "width": "half" } ], "outputs": [ { "id": "result", "label": "Result", "format": "number", "primary": true }, { "id": "summary", "label": "Calculation", "format": "text" } ], "formula": { "expression": "X% of Y = (X ÷ 100) × Y", "note": "The selected mode changes the formula." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "operation": "percentOf", "x": 20, "y": 500 } } ], "sources": [ { "label": "OpenStax: understand percent", "url": "https://openstax.org/books/prealgebra-2e/pages/6-1-understand-percent" } ] }, { "id": "percentage-change-word-problems-calculator", "version": "1.0.0", "name": "Percentage Change Word Problems Calculator", "shortName": "Percentage Change Word Problems", "description": "Calculate percentage increase or decrease and show the change relationship.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "percentage", "change", "word", "problems", "calculator", "percentage change word problems calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percentage-change-word-problems-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percentage-change-word-problems-calculator/", "definition": "/calculator/percentage-change-word-problems-calculator/definition.json", "schema": "/calculator/percentage-change-word-problems-calculator/schema.json", "llms": "/calculator/percentage-change-word-problems-calculator/llms.txt", "legacyDefinition": "/calculator/percentage-change-word-problems-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percentage-change-word-problems-calculator/?originalValue=80&newValue=100", "queryParameters": { "originalValue": { "label": "Original value", "type": "number", "required": true, "default": 80 }, "newValue": { "label": "New value", "type": "number", "required": true, "default": 100 } }, "inputs": [ { "id": "originalValue", "label": "Original value", "type": "number", "required": true, "defaultValue": 80, "step": 0.01 }, { "id": "newValue", "label": "New value", "type": "number", "required": true, "defaultValue": 100, "step": 0.01 } ], "outputs": [ { "id": "percentageChange", "label": "Percentage change", "format": "percent", "primary": true, "digits": 8 }, { "id": "absoluteChange", "label": "Absolute change", "format": "number", "digits": 8 }, { "id": "changeType", "label": "Change type", "format": "text" }, { "id": "multiplier", "label": "New/original multiplier", "format": "number", "digits": 10 } ], "formula": { "expression": "percentage change = (new − original) ÷ |original| × 100%" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "originalValue": 80, "newValue": 100 } } ], "sources": [] }, { "id": "percentage-difference-calculator", "version": "1.0.0", "name": "Percentage Difference Calculator", "shortName": "Percentage Difference", "description": "Measure the absolute difference between two values relative to their average magnitude.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "percentage", "difference", "calculator", "percentage difference calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percentage-difference-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percentage-difference-calculator/", "definition": "/calculator/percentage-difference-calculator/definition.json", "schema": "/calculator/percentage-difference-calculator/schema.json", "llms": "/calculator/percentage-difference-calculator/llms.txt", "legacyDefinition": "/calculator/percentage-difference-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percentage-difference-calculator/?valueA=80&valueB=100", "queryParameters": { "valueA": { "label": "First value", "type": "number", "required": true, "default": 80 }, "valueB": { "label": "Second value", "type": "number", "required": true, "default": 100 } }, "inputs": [ { "id": "valueA", "label": "First value", "type": "number", "required": true, "defaultValue": 80, "step": 0.01 }, { "id": "valueB", "label": "Second value", "type": "number", "required": true, "defaultValue": 100, "step": 0.01 } ], "outputs": [ { "id": "percentageDifference", "label": "Percentage difference", "format": "percent", "primary": true, "digits": 8 }, { "id": "absoluteDifference", "label": "Absolute difference", "format": "number", "digits": 8 }, { "id": "averageMagnitude", "label": "Average magnitude", "format": "number", "digits": 8 } ], "formula": { "expression": "percentage difference = |a − b| ÷ ((|a| + |b|) ÷ 2) × 100%" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "valueA": 80, "valueB": 100 } } ], "sources": [] }, { "id": "percentile-calculator", "version": "1.0.0", "name": "Percentile Calculator", "shortName": "Percentile", "description": "Calculate a requested percentile using linear interpolation and display a percentile table.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "percentile", "calculator", "percentile calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percentile-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percentile-calculator/", "definition": "/calculator/percentile-calculator/definition.json", "schema": "/calculator/percentile-calculator/schema.json", "llms": "/calculator/percentile-calculator/llms.txt", "legacyDefinition": "/calculator/percentile-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percentile-calculator/?data=3%2C+7%2C+8%2C+12%2C+13%2C+14%2C+18%2C+21&percentile=75", "queryParameters": { "data": { "label": "Data values (comma or space separated)", "type": "text", "required": true, "default": "3, 7, 8, 12, 13, 14, 18, 21" }, "percentile": { "label": "Percentile", "type": "number", "required": true, "default": 75 } }, "inputs": [ { "id": "data", "label": "Data values (comma or space separated)", "type": "text", "required": true, "defaultValue": "3, 7, 8, 12, 13, 14, 18, 21", "placeholder": "Example: 3, 7, 8, 12" }, { "id": "percentile", "label": "Percentile", "type": "number", "required": true, "defaultValue": 75, "min": 0, "max": 100, "step": 0.01, "suffix": "%" } ], "outputs": [ { "id": "value", "label": "Percentile value", "format": "number", "primary": true, "digits": 8 }, { "id": "rank", "label": "Zero-based interpolated rank", "format": "number", "digits": 6 }, { "id": "sampleSize", "label": "Sample size", "format": "integer" } ], "formula": { "expression": "rank = (p ÷ 100)(n − 1); interpolate between adjacent sorted values" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "data": "3, 7, 8, 12, 13, 14, 18, 21", "percentile": 75 } } ], "sources": [] }, { "id": "permutation-and-combination-calculator", "version": "1.0.0", "name": "Permutation and Combination Calculator", "shortName": "Permutation & combination", "description": "Calculate exact permutations and combinations with or without replacement.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "permutation and combination", "permutation", "combination", "npr", "ncr", "combinatorics", "with replacement" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/permutation-and-combination-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/permutation-and-combination-calculator/", "definition": "/calculator/permutation-and-combination-calculator/definition.json", "schema": "/calculator/permutation-and-combination-calculator/schema.json", "llms": "/calculator/permutation-and-combination-calculator/llms.txt", "legacyDefinition": "/calculator/permutation-and-combination-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/permutation-and-combination-calculator/?totalItems=6&selectedItems=2&replacement=without", "queryParameters": { "totalItems": { "label": "Total amount in the set (n)", "type": "number", "required": true, "default": 6 }, "selectedItems": { "label": "Amount in each subset (r)", "type": "number", "required": true, "default": 2 }, "replacement": { "label": "Selection rule", "type": "select", "required": true, "default": "without" } }, "inputs": [ { "id": "totalItems", "label": "Total amount in the set (n)", "type": "number", "required": true, "defaultValue": 6, "min": 0, "max": 500, "step": 1, "width": "half" }, { "id": "selectedItems", "label": "Amount in each subset (r)", "type": "number", "required": true, "defaultValue": 2, "min": 0, "max": 500, "step": 1, "width": "half" }, { "id": "replacement", "label": "Selection rule", "type": "select", "required": true, "defaultValue": "without", "options": [ { "label": "Without replacement", "value": "without" }, { "label": "With replacement", "value": "with" } ], "width": "full" } ], "outputs": [ { "id": "permutations", "label": "Permutations", "format": "text", "primary": true }, { "id": "combinations", "label": "Combinations", "format": "text" }, { "id": "permutationFormula", "label": "Permutation formula", "format": "text" }, { "id": "combinationFormula", "label": "Combination formula", "format": "text" } ], "formula": { "expression": "Without replacement: nPᵣ=n!/(n−r)! and nCᵣ=n!/[r!(n−r)!]; with replacement: nʳ and C(n+r−1,r)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "totalItems": 6, "selectedItems": 2, "replacement": "without" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/permutation-and-combination-calculator.html" } ] }, { "id": "permutation-calculator", "version": "7.0.0", "name": "Permutation Calculator", "shortName": "Permutation", "description": "Calculate Permutations (nPr) and Combinations (nCr).", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "permutation", "combination", "permutation and combination", "npr", "ncr" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/permutation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/permutation-calculator/", "definition": "/calculator/permutation-calculator/definition.json", "schema": "/calculator/permutation-calculator/schema.json", "llms": "/calculator/permutation-calculator/llms.txt", "legacyDefinition": "/calculator/permutation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/permutation-calculator/?n=10&r=3", "queryParameters": { "n": { "label": "Total Items (n)", "type": "number", "required": false, "default": 10 }, "r": { "label": "Items to Choose (r)", "type": "number", "required": false, "default": 3 } }, "inputs": [ { "id": "n", "label": "Total Items (n)", "type": "number", "defaultValue": 10 }, { "id": "r", "label": "Items to Choose (r)", "type": "number", "defaultValue": 3 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Permutations nPr = n! ÷ (n−r)!; combinations nCr = n! ÷ [r!(n−r)!]." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "n": 10, "r": 3 } } ], "sources": [] }, { "id": "place-value-calculator", "version": "1.0.0", "name": "Place Value Calculator", "shortName": "Place Value", "description": "Identify each digit’s place name and value in an integer or decimal.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "place", "value", "calculator", "place value calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/place-value-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/place-value-calculator/", "definition": "/calculator/place-value-calculator/definition.json", "schema": "/calculator/place-value-calculator/schema.json", "llms": "/calculator/place-value-calculator/llms.txt", "legacyDefinition": "/calculator/place-value-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/place-value-calculator/?number=50742.306", "queryParameters": { "number": { "label": "Number", "type": "text", "required": true, "default": "50742.306" } }, "inputs": [ { "id": "number", "label": "Number", "type": "text", "required": true, "defaultValue": "50742.306", "placeholder": "Example: 50742.306" } ], "outputs": [ { "id": "expandedForm", "label": "Expanded form", "format": "text", "primary": true }, { "id": "digitCount", "label": "Digits", "format": "integer" }, { "id": "highestPlace", "label": "Highest place", "format": "text" } ], "formula": { "expression": "digit value = digit × 10^place exponent" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "number": "50742.306" } } ], "sources": [] }, { "id": "prime-factorization-calculator", "version": "1.0.0", "name": "Prime Factorization Calculator", "shortName": "Prime factors", "description": "Break a positive integer into prime factors and identify prime numbers.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "prime factors", "factor tree", "is prime", "integer factors" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/prime-factorization-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/prime-factorization-calculator/", "definition": "/calculator/prime-factorization-calculator/definition.json", "schema": "/calculator/prime-factorization-calculator/schema.json", "llms": "/calculator/prime-factorization-calculator/llms.txt", "legacyDefinition": "/calculator/prime-factorization-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/prime-factorization-calculator/?integer=360", "queryParameters": { "integer": { "label": "Integer", "type": "number", "required": true, "default": 360 } }, "inputs": [ { "id": "integer", "label": "Integer", "type": "number", "required": true, "defaultValue": 360, "min": 2, "max": 1000000000, "step": 1, "width": "full" } ], "outputs": [ { "id": "factorization", "label": "Prime factorization", "format": "text", "primary": true }, { "id": "isPrime", "label": "Prime number", "format": "text" }, { "id": "factorCount", "label": "Prime factors with repetition", "format": "integer" }, { "id": "distinctCount", "label": "Distinct prime factors", "format": "integer" } ], "formula": { "expression": "Repeatedly divide by the smallest available prime factor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "integer": 360 } } ], "sources": [] }, { "id": "probability-calculator", "version": "2.0.0", "name": "Probability Calculator", "shortName": "Probability", "description": "Calculate independent-event relationships, repeated-event probabilities, normal-distribution areas, or binomial probabilities.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "probability", "independent events", "union probability", "intersection probability", "normal distribution", "binomial distribution" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/probability-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/probability-calculator/", "definition": "/calculator/probability-calculator/definition.json", "schema": "/calculator/probability-calculator/schema.json", "llms": "/calculator/probability-calculator/llms.txt", "legacyDefinition": "/calculator/probability-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/probability-calculator/?mode=two-events&probabilityA=0.5&probabilityB=0.4", "queryParameters": { "mode": { "label": "Probability model", "type": "select", "required": true, "default": "two-events" }, "probabilityA": { "label": "Probability of A", "type": "number", "required": true, "default": 0.5, "showWhen": { "field": "mode", "equals": "two-events" } }, "probabilityB": { "label": "Probability of B", "type": "number", "required": true, "default": 0.4, "showWhen": { "field": "mode", "equals": "two-events" } }, "seriesProbabilityA": { "label": "Event A probability", "type": "number", "required": true, "default": 0.5, "showWhen": { "field": "mode", "equals": "repeated-events" } }, "seriesRepeatsA": { "label": "Event A repeat count", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "repeated-events" } }, "seriesProbabilityB": { "label": "Event B probability", "type": "number", "required": true, "default": 0.4, "showWhen": { "field": "mode", "equals": "repeated-events" } }, "seriesRepeatsB": { "label": "Event B repeat count", "type": "number", "required": true, "default": 2, "showWhen": { "field": "mode", "equals": "repeated-events" } }, "normalMean": { "label": "Mean (μ)", "type": "number", "required": true, "default": 0, "showWhen": { "field": "mode", "equals": "normal" } }, "normalStandardDeviation": { "label": "Standard deviation (σ)", "type": "number", "required": true, "default": 1, "showWhen": { "field": "mode", "equals": "normal" } }, "leftBound": { "label": "Left bound", "type": "text", "required": true, "default": "-1", "showWhen": { "field": "mode", "equals": "normal" } }, "rightBound": { "label": "Right bound", "type": "text", "required": true, "default": "1", "showWhen": { "field": "mode", "equals": "normal" } }, "trials": { "label": "Number of trials (n)", "type": "number", "required": true, "default": 10, "showWhen": { "field": "mode", "equals": "binomial" } }, "successProbability": { "label": "Probability of success (p)", "type": "number", "required": true, "default": 0.5, "showWhen": { "field": "mode", "equals": "binomial" } }, "successes": { "label": "Number of successes (x)", "type": "number", "required": true, "default": 5, "showWhen": { "field": "mode", "equals": "binomial" } } }, "inputs": [ { "id": "mode", "label": "Probability model", "type": "select", "required": true, "defaultValue": "two-events", "options": [ { "label": "Two independent events", "value": "two-events" }, { "label": "Repeated independent events", "value": "repeated-events" }, { "label": "Normal distribution interval", "value": "normal" }, { "label": "Binomial distribution", "value": "binomial" } ], "width": "full" }, { "id": "probabilityA", "label": "Probability of A", "type": "number", "required": true, "defaultValue": 0.5, "min": 0, "max": 1, "step": 0.001, "showWhen": { "field": "mode", "equals": "two-events" }, "width": "half" }, { "id": "probabilityB", "label": "Probability of B", "type": "number", "required": true, "defaultValue": 0.4, "min": 0, "max": 1, "step": 0.001, "showWhen": { "field": "mode", "equals": "two-events" }, "width": "half" }, { "id": "seriesProbabilityA", "label": "Event A probability", "type": "number", "required": true, "defaultValue": 0.5, "min": 0, "max": 1, "step": 0.001, "showWhen": { "field": "mode", "equals": "repeated-events" }, "width": "half" }, { "id": "seriesRepeatsA", "label": "Event A repeat count", "type": "number", "required": true, "defaultValue": 3, "min": 0, "max": 10000, "step": 1, "showWhen": { "field": "mode", "equals": "repeated-events" }, "width": "half" }, { "id": "seriesProbabilityB", "label": "Event B probability", "type": "number", "required": true, "defaultValue": 0.4, "min": 0, "max": 1, "step": 0.001, "showWhen": { "field": "mode", "equals": "repeated-events" }, "width": "half" }, { "id": "seriesRepeatsB", "label": "Event B repeat count", "type": "number", "required": true, "defaultValue": 2, "min": 0, "max": 10000, "step": 1, "showWhen": { "field": "mode", "equals": "repeated-events" }, "width": "half" }, { "id": "normalMean", "label": "Mean (μ)", "type": "number", "required": true, "defaultValue": 0, "step": 0.01, "showWhen": { "field": "mode", "equals": "normal" }, "width": "half" }, { "id": "normalStandardDeviation", "label": "Standard deviation (σ)", "type": "number", "required": true, "defaultValue": 1, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "normal" }, "width": "half" }, { "id": "leftBound", "label": "Left bound", "type": "text", "required": true, "defaultValue": "-1", "help": "Use -inf for negative infinity.", "showWhen": { "field": "mode", "equals": "normal" }, "width": "half" }, { "id": "rightBound", "label": "Right bound", "type": "text", "required": true, "defaultValue": "1", "help": "Use inf for positive infinity.", "showWhen": { "field": "mode", "equals": "normal" }, "width": "half" }, { "id": "trials", "label": "Number of trials (n)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 1000, "step": 1, "showWhen": { "field": "mode", "equals": "binomial" }, "width": "half" }, { "id": "successProbability", "label": "Probability of success (p)", "type": "number", "required": true, "defaultValue": 0.5, "min": 0, "max": 1, "step": 0.001, "showWhen": { "field": "mode", "equals": "binomial" }, "width": "half" }, { "id": "successes", "label": "Number of successes (x)", "type": "number", "required": true, "defaultValue": 5, "min": 0, "max": 1000, "step": 1, "showWhen": { "field": "mode", "equals": "binomial" }, "width": "full" } ], "outputs": [ { "id": "primaryProbability", "label": "Primary probability", "format": "percent", "primary": true, "digits": 6 }, { "id": "intersection", "label": "P(A ∩ B)", "format": "percent", "digits": 6 }, { "id": "union", "label": "P(A ∪ B)", "format": "percent", "digits": 6 }, { "id": "exclusiveOr", "label": "Exactly one event", "format": "percent", "digits": 6 }, { "id": "neither", "label": "Neither event", "format": "percent", "digits": 6 }, { "id": "complementA", "label": "P(A′)", "format": "percent", "digits": 6 }, { "id": "complementB", "label": "P(B′)", "format": "percent", "digits": 6 }, { "id": "secondaryProbability", "label": "Secondary probability", "format": "percent", "digits": 6 }, { "id": "exactProbability", "label": "P(X = x)", "format": "percent", "digits": 6 }, { "id": "atMostProbability", "label": "P(X ≤ x)", "format": "percent", "digits": 6 }, { "id": "atLeastProbability", "label": "P(X ≥ x)", "format": "percent", "digits": 6 }, { "id": "expectedValue", "label": "Expected value", "format": "number", "digits": 6 }, { "id": "variance", "label": "Variance", "format": "number", "digits": 6 } ], "formula": { "expression": "Independent events: P(A∩B)=P(A)P(B), P(A∪B)=P(A)+P(B)−P(A∩B); normal areas use Φ(z); binomial P(X=x)=C(n,x)pˣ(1−p)ⁿ⁻ˣ." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "two-events", "probabilityA": 0.5, "probabilityB": 0.4, "seriesProbabilityA": 0.5, "seriesRepeatsA": 3, "seriesProbabilityB": 0.4, "seriesRepeatsB": 2, "normalMean": 0, "normalStandardDeviation": 1, "leftBound": "-1", "rightBound": "1", "trials": 10, "successProbability": 0.5, "successes": 5 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/probability-calculator.html" } ] }, { "id": "pyramid-frustum-calculator", "version": "1.0.0", "name": "Pyramid Frustum Calculator", "shortName": "Pyramid Frustum", "description": "Calculate volume and surface area for a square-pyramid frustum.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "pyramid", "frustum", "calculator", "pyramid frustum calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pyramid-frustum-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pyramid-frustum-calculator/", "definition": "/calculator/pyramid-frustum-calculator/definition.json", "schema": "/calculator/pyramid-frustum-calculator/schema.json", "llms": "/calculator/pyramid-frustum-calculator/llms.txt", "legacyDefinition": "/calculator/pyramid-frustum-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pyramid-frustum-calculator/?bottomSide=10&topSide=6&height=8", "queryParameters": { "bottomSide": { "label": "Bottom square side a", "type": "number", "required": true, "default": 10 }, "topSide": { "label": "Top square side b", "type": "number", "required": true, "default": 6 }, "height": { "label": "Vertical height h", "type": "number", "required": true, "default": 8 } }, "inputs": [ { "id": "bottomSide", "label": "Bottom square side a", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 }, { "id": "topSide", "label": "Top square side b", "type": "number", "required": true, "defaultValue": 6, "min": 0, "step": 0.001 }, { "id": "height", "label": "Vertical height h", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "volume", "label": "Volume", "format": "number", "primary": true, "digits": 8 }, { "id": "lateralArea", "label": "Lateral area", "format": "number", "digits": 8 }, { "id": "surfaceArea", "label": "Total surface area", "format": "number", "digits": 8 }, { "id": "slantHeight", "label": "Slant height", "format": "number", "digits": 8 } ], "formula": { "expression": "V = h(a² + ab + b²) ÷ 3; lateral area = 2(a + b)ℓ" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "bottomSide": 10, "topSide": 6, "height": 8 } } ], "sources": [] }, { "id": "pythagorean-theorem-calculator", "version": "2.0.0", "name": "Pythagorean Theorem Calculator", "shortName": "Pythagorean theorem", "description": "Provide any two sides of a right triangle to solve the third side, area, perimeter, and squared terms.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "pythagorean theorem", "right triangle", "hypotenuse", "missing leg", "a squared plus b squared" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pythagorean-theorem-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pythagorean-theorem-calculator/", "definition": "/calculator/pythagorean-theorem-calculator/definition.json", "schema": "/calculator/pythagorean-theorem-calculator/schema.json", "llms": "/calculator/pythagorean-theorem-calculator/llms.txt", "legacyDefinition": "/calculator/pythagorean-theorem-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pythagorean-theorem-calculator/?mode=hypotenuse&sideA=3&sideB=4", "queryParameters": { "mode": { "label": "Known sides", "type": "select", "required": true, "default": "hypotenuse" }, "sideA": { "label": "First known side", "type": "number", "required": true, "default": 3 }, "sideB": { "label": "Second known side", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "mode", "label": "Known sides", "type": "select", "required": true, "defaultValue": "hypotenuse", "options": [ { "label": "a and b — find c", "value": "hypotenuse" }, { "label": "a and c — find b", "value": "leg" }, { "label": "b and c — find a", "value": "leg-a" } ], "width": "full" }, { "id": "sideA", "label": "First known side", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "sideB", "label": "Second known side", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "help": "This is the hypotenuse in either missing-leg mode.", "width": "half" } ], "outputs": [ { "id": "missingSide", "label": "Missing side", "format": "number", "primary": true, "digits": 6 }, { "id": "sideAResult", "label": "Side a", "format": "number", "digits": 6 }, { "id": "sideBResult", "label": "Side b", "format": "number", "digits": 6 }, { "id": "hypotenuse", "label": "Side c", "format": "number", "digits": 6 }, { "id": "aSquared", "label": "a²", "format": "number", "digits": 6 }, { "id": "bSquared", "label": "b²", "format": "number", "digits": 6 }, { "id": "cSquared", "label": "c²", "format": "number", "digits": 6 }, { "id": "area", "label": "Area", "format": "number", "digits": 6 }, { "id": "perimeter", "label": "Perimeter", "format": "number", "digits": 6 } ], "formula": { "expression": "a²+b²=c²; c=√(a²+b²), a=√(c²−b²), or b=√(c²−a²)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "hypotenuse", "sideA": 3, "sideB": 4 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/pythagorean-theorem-calculator.html" } ] }, { "id": "quadratic-formula-calculator", "version": "1.0.0", "name": "Quadratic Formula Calculator", "shortName": "Quadratic formula", "description": "Find real or complex roots, discriminant, vertex, and axis of symmetry.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "quadratic equation", "roots", "discriminant", "vertex" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/quadratic-formula-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/quadratic-formula-calculator/", "definition": "/calculator/quadratic-formula-calculator/definition.json", "schema": "/calculator/quadratic-formula-calculator/schema.json", "llms": "/calculator/quadratic-formula-calculator/llms.txt", "legacyDefinition": "/calculator/quadratic-formula-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/quadratic-formula-calculator/?a=1&b=-3&c=2", "queryParameters": { "a": { "label": "a", "type": "number", "required": true, "default": 1 }, "b": { "label": "b", "type": "number", "required": true, "default": -3 }, "c": { "label": "c", "type": "number", "required": true, "default": 2 } }, "inputs": [ { "id": "a", "label": "a", "type": "number", "required": true, "defaultValue": 1, "step": 0.01, "width": "half" }, { "id": "b", "label": "b", "type": "number", "required": true, "defaultValue": -3, "step": 0.01, "width": "half" }, { "id": "c", "label": "c", "type": "number", "required": true, "defaultValue": 2, "step": 0.01, "width": "full" } ], "outputs": [ { "id": "roots", "label": "Roots", "format": "text", "primary": true }, { "id": "discriminant", "label": "Discriminant", "format": "number" }, { "id": "vertex", "label": "Vertex", "format": "text" }, { "id": "axis", "label": "Axis of symmetry", "format": "number" } ], "formula": { "expression": "x = (−b ± √(b² − 4ac)) ÷ 2a" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 1, "b": -3, "c": 2 } } ], "sources": [] }, { "id": "quartile-calculator", "version": "1.0.0", "name": "Quartile Calculator", "shortName": "Quartile", "description": "Calculate quartiles, the interquartile range, fences, and five-number summary.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "quartile", "calculator", "quartile calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/quartile-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/quartile-calculator/", "definition": "/calculator/quartile-calculator/definition.json", "schema": "/calculator/quartile-calculator/schema.json", "llms": "/calculator/quartile-calculator/llms.txt", "legacyDefinition": "/calculator/quartile-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/quartile-calculator/?data=4%2C+7%2C+7%2C+9%2C+12%2C+15%2C+18%2C+21", "queryParameters": { "data": { "label": "Data values (comma or space separated)", "type": "text", "required": true, "default": "4, 7, 7, 9, 12, 15, 18, 21" } }, "inputs": [ { "id": "data", "label": "Data values (comma or space separated)", "type": "text", "required": true, "defaultValue": "4, 7, 7, 9, 12, 15, 18, 21", "placeholder": "Example: 4, 7, 9, 12" } ], "outputs": [ { "id": "q1", "label": "First quartile Q1", "format": "number" }, { "id": "q2", "label": "Median Q2", "format": "number", "primary": true }, { "id": "q3", "label": "Third quartile Q3", "format": "number" }, { "id": "iqr", "label": "Interquartile range", "format": "number" }, { "id": "lowerFence", "label": "Lower outlier fence", "format": "number" }, { "id": "upperFence", "label": "Upper outlier fence", "format": "number" } ], "formula": { "expression": "IQR = Q3 − Q1; Tukey fences = Q1 − 1.5IQR and Q3 + 1.5IQR" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "data": "4, 7, 7, 9, 12, 15, 18, 21" } } ], "sources": [] }, { "id": "random-number-generator", "version": "7.0.0", "name": "Random Number Generator", "shortName": "Random Number", "description": "Generate reproducible whole numbers from an inclusive range using a saved seed.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "random", "number" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/random-number-generator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/random-number-generator/", "definition": "/calculator/random-number-generator/definition.json", "schema": "/calculator/random-number-generator/schema.json", "llms": "/calculator/random-number-generator/llms.txt", "legacyDefinition": "/calculator/random-number-generator.json" }, "queryExample": "https://askcalculators.com/calculator/random-number-generator/?min=1&max=100&count=1&allowDuplicates=1&seed=askcalculators", "queryParameters": { "min": { "label": "Min", "type": "number", "required": false, "default": 1 }, "max": { "label": "Max", "type": "number", "required": false, "default": 100 }, "count": { "label": "Quantity", "type": "number", "required": false, "default": 1 }, "allowDuplicates": { "label": "Allow Duplicates", "type": "checkbox", "required": false, "default": true }, "seed": { "label": "Seed", "type": "text", "required": true, "default": "askcalculators" } }, "inputs": [ { "id": "min", "label": "Min", "type": "number", "defaultValue": 1 }, { "id": "max", "label": "Max", "type": "number", "defaultValue": 100 }, { "id": "count", "label": "Quantity", "type": "number", "defaultValue": 1 }, { "id": "allowDuplicates", "label": "Allow Duplicates", "type": "checkbox", "defaultValue": true }, { "id": "seed", "label": "Seed", "type": "text", "defaultValue": "askcalculators", "required": true, "help": "Same settings and seed produce the same result." } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "A seeded pseudorandom sequence maps uniformly to the inclusive integer range; unique mode samples without replacement." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "min": 1, "max": 100, "count": 1, "allowDuplicates": true, "seed": "askcalculators" } } ], "sources": [] }, { "id": "ratio-calculator", "version": "1.0.0", "name": "Ratio Calculator", "shortName": "Ratio", "description": "Simplify an integer ratio and optionally scale it from a new first value.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "simplify ratio", "proportion", "ratio scale", "gcd" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ratio-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/ratio-calculator/", "definition": "/calculator/ratio-calculator/definition.json", "schema": "/calculator/ratio-calculator/schema.json", "llms": "/calculator/ratio-calculator/llms.txt", "legacyDefinition": "/calculator/ratio-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ratio-calculator/?a=12&b=18", "queryParameters": { "a": { "label": "First value", "type": "number", "required": true, "default": 12 }, "b": { "label": "Second value", "type": "number", "required": true, "default": 18 }, "scaledA": { "label": "New first value", "type": "number", "required": false } }, "inputs": [ { "id": "a", "label": "First value", "type": "number", "required": true, "defaultValue": 12, "min": 1, "max": 1000000000, "step": 1, "width": "half" }, { "id": "b", "label": "Second value", "type": "number", "required": true, "defaultValue": 18, "min": 1, "max": 1000000000, "step": 1, "width": "half" }, { "id": "scaledA", "label": "New first value", "type": "number", "min": 0, "step": 0.01, "help": "Optional", "width": "full" } ], "outputs": [ { "id": "simplifiedRatio", "label": "Simplified ratio", "format": "text", "primary": true }, { "id": "greatestCommonDivisor", "label": "Greatest common divisor", "format": "integer" }, { "id": "decimal", "label": "First ÷ second", "format": "number" }, { "id": "percent", "label": "First as percent of second", "format": "percent" }, { "id": "scaledB", "label": "Matching second value", "format": "number" } ], "formula": { "expression": "Simplified ratio = (a ÷ GCD) : (b ÷ GCD)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 12, "b": 18 } } ], "sources": [] }, { "id": "regular-polygon-calculator", "version": "1.0.0", "name": "Regular Polygon Calculator", "shortName": "Regular Polygon", "description": "Calculate perimeter, area, apothem, circumradius, and angles from side count and side length.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "regular", "polygon", "calculator", "regular polygon calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/regular-polygon-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/regular-polygon-calculator/", "definition": "/calculator/regular-polygon-calculator/definition.json", "schema": "/calculator/regular-polygon-calculator/schema.json", "llms": "/calculator/regular-polygon-calculator/llms.txt", "legacyDefinition": "/calculator/regular-polygon-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/regular-polygon-calculator/?sides=6&sideLength=5", "queryParameters": { "sides": { "label": "Number of sides n", "type": "number", "required": true, "default": 6 }, "sideLength": { "label": "Side length s", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "sides", "label": "Number of sides n", "type": "number", "required": true, "defaultValue": 6, "min": 3, "max": 10000, "step": 1 }, { "id": "sideLength", "label": "Side length s", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "area", "label": "Area", "format": "number", "primary": true, "digits": 8 }, { "id": "perimeter", "label": "Perimeter", "format": "number", "digits": 8 }, { "id": "apothem", "label": "Apothem", "format": "number", "digits": 8 }, { "id": "circumradius", "label": "Circumradius", "format": "number", "digits": 8 }, { "id": "interiorAngle", "label": "Interior angle", "format": "number", "digits": 6, "suffix": "°" }, { "id": "exteriorAngle", "label": "Exterior angle", "format": "number", "digits": 6, "suffix": "°" } ], "formula": { "expression": "area = ns² ÷ [4 tan(π/n)]" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sides": 6, "sideLength": 5 } } ], "sources": [] }, { "id": "rhombus-calculator", "version": "1.0.0", "name": "Rhombus Calculator", "shortName": "Rhombus", "description": "Calculate rhombus area and perimeter from diagonals or from side and height.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "rhombus", "calculator", "rhombus calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rhombus-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/rhombus-calculator/", "definition": "/calculator/rhombus-calculator/definition.json", "schema": "/calculator/rhombus-calculator/schema.json", "llms": "/calculator/rhombus-calculator/llms.txt", "legacyDefinition": "/calculator/rhombus-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rhombus-calculator/?mode=diagonals&diagonal1=10&diagonal2=8&side=6.403124&height=5", "queryParameters": { "mode": { "label": "Known measurements", "type": "select", "required": true, "default": "diagonals" }, "diagonal1": { "label": "Diagonal d₁", "type": "number", "required": true, "default": 10 }, "diagonal2": { "label": "Diagonal d₂", "type": "number", "required": true, "default": 8 }, "side": { "label": "Side length", "type": "number", "required": true, "default": 6.403124 }, "height": { "label": "Height", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "mode", "label": "Known measurements", "type": "select", "required": true, "defaultValue": "diagonals", "options": [ { "label": "Diagonals d₁ and d₂", "value": "diagonals" }, { "label": "Side and height", "value": "sideHeight" } ] }, { "id": "diagonal1", "label": "Diagonal d₁", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 }, { "id": "diagonal2", "label": "Diagonal d₂", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.001 }, { "id": "side", "label": "Side length", "type": "number", "required": true, "defaultValue": 6.403124, "min": 0.000001, "step": 0.001 }, { "id": "height", "label": "Height", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "area", "label": "Area", "format": "number", "primary": true, "digits": 8 }, { "id": "perimeter", "label": "Perimeter", "format": "number", "digits": 8 }, { "id": "sideResult", "label": "Side length used", "format": "number", "digits": 8 }, { "id": "acuteAngle", "label": "Acute interior angle", "format": "number", "digits": 6, "suffix": "°" } ], "formula": { "expression": "from diagonals A = d₁d₂ ÷ 2 and s = ½√(d₁² + d₂²); from side and height A = sh" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "diagonals", "diagonal1": 10, "diagonal2": 8, "side": 6.403124, "height": 5 } } ], "sources": [] }, { "id": "right-triangle-calculator", "version": "2.0.0", "name": "Right Triangle Calculator", "shortName": "Right triangle", "description": "Solve a right triangle from two known values and calculate all sides, acute angles, altitude, area, and perimeter.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "right triangle", "triangle sides and angles", "hypotenuse", "right triangle area", "trigonometry", "altitude" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/right-triangle-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/right-triangle-calculator/", "definition": "/calculator/right-triangle-calculator/definition.json", "schema": "/calculator/right-triangle-calculator/schema.json", "llms": "/calculator/right-triangle-calculator/llms.txt", "legacyDefinition": "/calculator/right-triangle-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/right-triangle-calculator/?mode=legs&legA=3&legB=4&angleUnit=degrees", "queryParameters": { "mode": { "label": "Known values", "type": "select", "required": true, "default": "legs" }, "legA": { "label": "Leg a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "legs" } }, "legB": { "label": "Leg b", "type": "number", "required": true, "default": 4, "showWhen": { "field": "mode", "equals": "legs" } }, "knownLeg": { "label": "Known leg a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "leg-hypotenuse" } }, "knownHypotenuse": { "label": "Hypotenuse c", "type": "number", "required": true, "default": 5, "showWhen": { "field": "mode", "equals": "leg-hypotenuse" } }, "angleHypotenuse": { "label": "Hypotenuse c", "type": "number", "required": true, "default": 5, "showWhen": { "field": "mode", "equals": "hypotenuse-angle" } }, "angleAlpha": { "label": "Angle α", "type": "number", "required": true, "default": 36.869897, "showWhen": { "field": "mode", "equals": "hypotenuse-angle" } }, "angleLeg": { "label": "Leg a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "leg-angle" } }, "legAngleAlpha": { "label": "Angle α", "type": "number", "required": true, "default": 36.869897, "showWhen": { "field": "mode", "equals": "leg-angle" } }, "areaInput": { "label": "Area", "type": "number", "required": true, "default": 6, "showWhen": { "field": "mode", "equals": "area-leg" } }, "areaLeg": { "label": "Leg a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "mode", "equals": "area-leg" } }, "angleUnit": { "label": "Angle input unit", "type": "select", "required": true, "default": "degrees" } }, "inputs": [ { "id": "mode", "label": "Known values", "type": "select", "required": true, "defaultValue": "legs", "options": [ { "label": "Two legs (a and b)", "value": "legs" }, { "label": "One leg and hypotenuse", "value": "leg-hypotenuse" }, { "label": "Hypotenuse and angle α", "value": "hypotenuse-angle" }, { "label": "Leg a and angle α", "value": "leg-angle" }, { "label": "Area and leg a", "value": "area-leg" } ], "width": "full" }, { "id": "legA", "label": "Leg a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "legs" }, "width": "half" }, { "id": "legB", "label": "Leg b", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "legs" }, "width": "half" }, { "id": "knownLeg", "label": "Known leg a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "leg-hypotenuse" }, "width": "half" }, { "id": "knownHypotenuse", "label": "Hypotenuse c", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "leg-hypotenuse" }, "width": "half" }, { "id": "angleHypotenuse", "label": "Hypotenuse c", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "hypotenuse-angle" }, "width": "half" }, { "id": "angleAlpha", "label": "Angle α", "type": "number", "required": true, "defaultValue": 36.869897, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "hypotenuse-angle" }, "width": "half" }, { "id": "angleLeg", "label": "Leg a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "leg-angle" }, "width": "half" }, { "id": "legAngleAlpha", "label": "Angle α", "type": "number", "required": true, "defaultValue": 36.869897, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "leg-angle" }, "width": "half" }, { "id": "areaInput", "label": "Area", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "area-leg" }, "width": "half" }, { "id": "areaLeg", "label": "Leg a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "area-leg" }, "width": "half" }, { "id": "angleUnit", "label": "Angle input unit", "type": "select", "required": true, "defaultValue": "degrees", "options": [ { "label": "Degrees", "value": "degrees" }, { "label": "Radians", "value": "radians" } ], "width": "full" } ], "outputs": [ { "id": "sideA", "label": "Leg a", "format": "number", "primary": true, "digits": 6 }, { "id": "sideB", "label": "Leg b", "format": "number", "digits": 6 }, { "id": "hypotenuse", "label": "Hypotenuse c", "format": "number", "digits": 6 }, { "id": "angleAlphaResult", "label": "Angle α", "format": "number", "digits": 6, "suffix": "°" }, { "id": "angleBetaResult", "label": "Angle β", "format": "number", "digits": 6, "suffix": "°" }, { "id": "altitude", "label": "Altitude to hypotenuse", "format": "number", "digits": 6 }, { "id": "area", "label": "Area", "format": "number", "digits": 6 }, { "id": "perimeter", "label": "Perimeter", "format": "number", "digits": 6 } ], "formula": { "expression": "a²+b²=c²; α=atan(a/b); β=90°−α; area=ab/2; altitude h=ab/c." }, "examples": [ { "label": "Reproducible default-input example (not a personal 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"scientific-notation-calculator", "version": "7.0.0", "name": "Scientific Notation Calculator", "shortName": "Scientific Notation", "description": "Convert numbers between standard decimal and scientific notation.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "scientific", "notation" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/scientific-notation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/scientific-notation-calculator/", "definition": "/calculator/scientific-notation-calculator/definition.json", "schema": "/calculator/scientific-notation-calculator/schema.json", "llms": "/calculator/scientific-notation-calculator/llms.txt", "legacyDefinition": "/calculator/scientific-notation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/scientific-notation-calculator/?input=12345.6789&mode=to-sci", "queryParameters": { "input": { "label": "Input", "type": "text", "required": false, "default": "12345.6789" }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "to-sci" } }, "inputs": [ { "id": "input", "label": "Input", "type": "text", "defaultValue": "12345.6789" }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "to-sci" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "A nonzero number is written as coefficient × 10^exponent with 1 ≤ |coefficient| < 10." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "input": "12345.6789", "mode": "to-sci" } } ], "sources": [] }, { "id": "significant-figures-calculator", "version": "1.0.0", "name": "Significant Figures Calculator", "shortName": "Significant Figures", "description": "Perform arithmetic and round the result using significant-figure rules.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "significant", "figures", "calculator", "significant figures calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/significant-figures-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/significant-figures-calculator/", "definition": "/calculator/significant-figures-calculator/definition.json", "schema": "/calculator/significant-figures-calculator/schema.json", "llms": "/calculator/significant-figures-calculator/llms.txt", "legacyDefinition": "/calculator/significant-figures-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/significant-figures-calculator/?operation=multiply&valueA=12.30&valueB=4.5", "queryParameters": { "operation": { "label": "Operation", "type": "select", "required": true, "default": "multiply" }, "valueA": { "label": "First measured value", "type": "text", "required": true, 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"significant-figures-rounding-calculator", "version": "1.0.0", "name": "Significant Figures Rounding Calculator", "shortName": "Significant Figures Rounding", "description": "Round a number to a selected number of significant figures.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "significant", "figures", "rounding", "calculator", "significant figures rounding calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/significant-figures-rounding-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/significant-figures-rounding-calculator/", "definition": "/calculator/significant-figures-rounding-calculator/definition.json", "schema": "/calculator/significant-figures-rounding-calculator/schema.json", "llms": "/calculator/significant-figures-rounding-calculator/llms.txt", "legacyDefinition": "/calculator/significant-figures-rounding-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/significant-figures-rounding-calculator/?value=12345.6789&significantFigures=4", "queryParameters": { "value": { "label": "Number", "type": "number", "required": true, "default": 12345.6789 }, "significantFigures": { "label": "Significant figures", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "value", "label": "Number", "type": "number", "required": true, "defaultValue": 12345.6789, "step": 0.000001 }, { "id": "significantFigures", "label": "Significant figures", "type": "number", "required": true, "defaultValue": 4, "min": 1, "max": 15, "step": 1 } ], "outputs": [ { "id": "rounded", "label": "Rounded value", "format": "text", "primary": true }, { "id": "numericRounded", "label": "Numeric rounded value", "format": "number", "digits": 15 }, { "id": "scientificNotation", "label": "Scientific notation", "format": "text" }, { "id": "roundingPlace", "label": "Rounding place value", "format": "text" } ], "formula": { "expression": "rounded = round(value to n significant decimal digits)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 12345.6789, "significantFigures": 4 } } ], "sources": [] }, { "id": "simplify-radical-expressions-calculator", "version": "1.0.0", "name": "Simplify Radical Expressions Calculator", "shortName": "Simplify Radical Expressions", "description": "Extract perfect powers from a nonnegative integer radical.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "simplify", "radical", "expressions", "calculator", "simplify radical expressions calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/simplify-radical-expressions-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/simplify-radical-expressions-calculator/", "definition": "/calculator/simplify-radical-expressions-calculator/definition.json", "schema": "/calculator/simplify-radical-expressions-calculator/schema.json", "llms": "/calculator/simplify-radical-expressions-calculator/llms.txt", "legacyDefinition": "/calculator/simplify-radical-expressions-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/simplify-radical-expressions-calculator/?radicand=72&index=2", "queryParameters": { "radicand": { "label": "Radicand n", "type": "number", "required": true, "default": 72 }, "index": { "label": "Root index", "type": "number", "required": true, "default": 2 } }, "inputs": [ { "id": "radicand", "label": "Radicand n", "type": "number", "required": true, "defaultValue": 72, "min": 0, "max": 1000000000, "step": 1 }, { "id": "index", "label": "Root index", "type": "number", "required": true, "defaultValue": 2, "min": 2, "max": 10, "step": 1 } ], "outputs": [ { "id": "simplified", "label": "Simplified radical", "format": "text", "primary": true }, { "id": "outsideFactor", "label": "Outside factor", "format": "integer" }, { "id": "insideFactor", "label": "Remaining radicand", "format": "integer" }, { "id": "decimalValue", "label": "Decimal value", "format": "number", "digits": 10 } ], "formula": { "expression": "ⁿ√N = a·ⁿ√b after extracting every perfect nth-power factor aⁿ" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "radicand": 72, "index": 2 } } ], "sources": [] }, { "id": "simplifying-complex-fractions-calculator", "version": "1.0.0", "name": "Simplifying Complex Fractions Calculator", "shortName": "Simplifying Complex Fractions", "description": "Simplify a complex fraction whose numerator and denominator each contain a sum or difference of two fractions.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "simplifying", "complex", "fractions", "calculator", "simplifying complex fractions calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/simplifying-complex-fractions-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/simplifying-complex-fractions-calculator/", "definition": "/calculator/simplifying-complex-fractions-calculator/definition.json", "schema": "/calculator/simplifying-complex-fractions-calculator/schema.json", "llms": "/calculator/simplifying-complex-fractions-calculator/llms.txt", "legacyDefinition": "/calculator/simplifying-complex-fractions-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/simplifying-complex-fractions-calculator/?a=1&b=2&topOperation=add&c=1&d=3&e=3&f=4&bottomOperation=subtract&g=1&h=4", "queryParameters": { "a": { "label": "a", "type": "number", "required": true, "default": 1 }, "b": { "label": "b", "type": "number", "required": true, "default": 2 }, "topOperation": { "label": "Top operation", "type": "select", "required": true, "default": "add" }, "c": { "label": "c", "type": "number", "required": true, "default": 1 }, "d": { "label": "d", "type": "number", "required": true, "default": 3 }, "e": { "label": "e", "type": "number", "required": true, "default": 3 }, "f": { "label": "f", "type": "number", "required": true, "default": 4 }, "bottomOperation": { "label": "Bottom operation", "type": "select", "required": true, "default": "subtract" }, "g": { "label": "g", "type": "number", "required": true, "default": 1 }, "h": { "label": "h", "type": "number", "required": true, "default": 4 } }, "inputs": [ { "id": "a", "label": "a", "type": "number", "required": true, "defaultValue": 1, "step": 1 }, { "id": "b", "label": "b", "type": "number", "required": true, "defaultValue": 2, "step": 1 }, { "id": "topOperation", "label": "Top operation", "type": "select", "required": true, "defaultValue": "add", "options": [ { "label": "Add", "value": "add" }, { "label": "Subtract", "value": "subtract" } ] }, { "id": "c", "label": "c", "type": "number", "required": true, "defaultValue": 1, "step": 1 }, { "id": "d", "label": "d", "type": "number", "required": true, "defaultValue": 3, "step": 1 }, { "id": "e", "label": "e", "type": "number", "required": true, "defaultValue": 3, "step": 1 }, { "id": "f", "label": "f", "type": "number", "required": true, "defaultValue": 4, "step": 1 }, { "id": "bottomOperation", "label": "Bottom operation", "type": "select", "required": true, "defaultValue": "subtract", "options": [ { "label": "Add", "value": "add" }, { "label": "Subtract", "value": "subtract" } ] }, { "id": "g", "label": "g", "type": "number", "required": true, "defaultValue": 1, "step": 1 }, { "id": "h", "label": "h", "type": "number", "required": true, "defaultValue": 4, "step": 1 } ], "outputs": [ { "id": "simplified", "label": "Simplified result", "format": "text", "primary": true }, { "id": "mixedNumber", "label": "Mixed number", "format": "text" }, { "id": "decimal", "label": "Decimal value", "format": "number", "digits": 12 }, { "id": "topSimplified", "label": "Simplified numerator expression", "format": "text" }, { "id": "bottomSimplified", "label": "Simplified denominator expression", "format": "text" } ], "formula": { "expression": "[(a/b) ± (c/d)] ÷ [(e/f) ± (g/h)]" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "a": 1, "b": 2, "topOperation": "add", "c": 1, "d": 3, "e": 3, "f": 4, "bottomOperation": "subtract", "g": 1, "h": 4 } } ], "sources": [] }, { "id": "slope-calculator", "version": "2.0.0", "name": "Slope Calculator", "shortName": "Slope", "description": "Calculate line slope from two points, or project a second point from a starting point, distance, and slope or angle.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "slope", "gradient", "rise over run", "line equation", "angle of incline", "two points" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/slope-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/slope-calculator/", "definition": "/calculator/slope-calculator/definition.json", "schema": "/calculator/slope-calculator/schema.json", "llms": "/calculator/slope-calculator/llms.txt", "legacyDefinition": "/calculator/slope-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/slope-calculator/?mode=two-points&x1=0&y1=0&x2=4&y2=8", "queryParameters": { "mode": { "label": "Known values", "type": "select", "required": true, "default": "two-points" }, "x1": { "label": "x₁", "type": "number", "required": true, "default": 0 }, "y1": { "label": "y₁", "type": "number", "required": true, "default": 0 }, "x2": { "label": "x₂", "type": "number", "required": true, "default": 4, "showWhen": { "field": "mode", "equals": "two-points" } }, "y2": { "label": "y₂", "type": "number", "required": true, "default": 8, "showWhen": { "field": "mode", "equals": "two-points" } }, "distance": { "label": "Distance", "type": "number", "required": true, "default": 5, "showWhen": { "field": "mode", "equals": "point-slope" } }, "slopeInput": { "label": "Slope (m)", "type": "number", "required": true, "default": 2, "showWhen": { "field": "mode", "equals": "point-slope" } }, "angleDistance": { "label": "Distance", "type": "number", "required": true, "default": 5, "showWhen": { "field": "mode", "equals": "point-angle" } }, "angleInput": { "label": "Angle of incline", "type": "number", "required": true, "default": 45, "showWhen": { "field": "mode", "equals": "point-angle" } } }, "inputs": [ { "id": "mode", "label": "Known values", "type": "select", "required": true, "defaultValue": "two-points", "options": [ { "label": "Two points", "value": "two-points" }, { "label": "One point, distance, and slope", "value": "point-slope" }, { "label": "One point, distance, and angle", "value": "point-angle" } ], "width": "full" }, { "id": "x1", "label": "x₁", "type": "number", "required": true, "defaultValue": 0, "step": 0.01, "width": "half" }, { "id": "y1", "label": "y₁", "type": "number", "required": true, "defaultValue": 0, "step": 0.01, "width": "half" }, { "id": "x2", "label": "x₂", "type": "number", "required": true, "defaultValue": 4, "step": 0.01, "showWhen": { "field": "mode", "equals": "two-points" }, "width": "half" }, { "id": "y2", "label": "y₂", "type": "number", "required": true, "defaultValue": 8, "step": 0.01, "showWhen": { "field": "mode", "equals": "two-points" }, "width": "half" }, { "id": "distance", "label": "Distance", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "point-slope" }, "width": "half" }, { "id": "slopeInput", "label": "Slope (m)", "type": "number", "required": true, "defaultValue": 2, "step": 0.01, "showWhen": { "field": "mode", "equals": "point-slope" }, "width": "half" }, { "id": "angleDistance", "label": "Distance", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "mode", "equals": "point-angle" }, "width": "half" }, { "id": "angleInput", "label": "Angle of incline", "type": "number", "required": true, "defaultValue": 45, "step": 0.01, "showWhen": { "field": "mode", "equals": "point-angle" }, "width": "half" } ], "outputs": [ { "id": "slope", "label": "Slope (m)", "format": "number", "primary": true, "digits": 6 }, { "id": "angle", "label": "Angle of incline", "format": "number", "digits": 6, "suffix": "°" }, { "id": "distanceResult", "label": "Distance", "format": "number", "digits": 6 }, { "id": "rise", "label": "Rise (Δy)", "format": "number", "digits": 6 }, { "id": "run", "label": "Run (Δx)", "format": "number", "digits": 6 }, { "id": "secondPoint", "label": "Second point", "format": "text" }, { "id": "equation", "label": "Line equation", "format": "text" } ], "formula": { "expression": "m=(y₂−y₁)/(x₂−x₁)=tan(θ); with distance d, Δx=d/√(1+m²) and Δy=mΔx." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "two-points", "x1": 0, "y1": 0, "x2": 4, "y2": 8, "distance": 5, "slopeInput": 2, "angleDistance": 5, "angleInput": 45 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/slope-calculator.html" } ] }, { "id": "stadium-calculator", "version": "1.0.0", "name": "Stadium Calculator", "shortName": "Stadium", "description": "Calculate area and perimeter of a stadium shape: a rectangle capped by two semicircles.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "stadium", "calculator", "stadium calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/stadium-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/stadium-calculator/", "definition": "/calculator/stadium-calculator/definition.json", "schema": "/calculator/stadium-calculator/schema.json", "llms": "/calculator/stadium-calculator/llms.txt", "legacyDefinition": "/calculator/stadium-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/stadium-calculator/?straightLength=20&radius=5", "queryParameters": { "straightLength": { "label": "Length of each straight section", "type": "number", "required": true, "default": 20 }, "radius": { "label": "Semicircle radius", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "straightLength", "label": "Length of each straight section", "type": "number", "required": true, "defaultValue": 20, "min": 0, "step": 0.001 }, { "id": "radius", "label": "Semicircle radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "area", "label": "Area", "format": "number", "primary": true, "digits": 8 }, { "id": "perimeter", "label": "Perimeter", "format": "number", "digits": 8 }, { "id": "overallLength", "label": "Overall length", "format": "number", "digits": 8 }, { "id": "overallWidth", "label": "Overall width", "format": "number", "digits": 8 } ], "formula": { "expression": "area = 2rL + πr²; perimeter = 2L + 2πr" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "straightLength": 20, "radius": 5 } } ], "sources": [] }, { "id": "standard-deviation-calculator", "version": "2.0.0", "name": "Standard Deviation Calculator", "shortName": "Standard deviation", "description": "Calculate population or sample standard deviation, variance, mean, sum, standard error, and margin of error.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "standard deviation", "variance", "sample statistics", "population statistics", "standard error", "margin of error" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/standard-deviation-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/standard-deviation-calculator/", "definition": "/calculator/standard-deviation-calculator/definition.json", "schema": "/calculator/standard-deviation-calculator/schema.json", "llms": "/calculator/standard-deviation-calculator/llms.txt", "legacyDefinition": "/calculator/standard-deviation-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/standard-deviation-calculator/?values=10%2C+12%2C+23%2C+23%2C+16%2C+23%2C+21%2C+16&sample=0&confidenceLevel=95", "queryParameters": { "values": { "label": "Numbers", "type": "text", "required": true, "default": "10, 12, 23, 23, 16, 23, 21, 16" }, "sample": { "label": "Treat the values as a sample", "type": "checkbox", "required": false, "default": false }, "confidenceLevel": { "label": "Confidence level for margin of error", "type": "select", "required": true, "default": 95 } }, "inputs": [ { "id": "values", "label": "Numbers", "type": "text", "required": true, "defaultValue": "10, 12, 23, 23, 16, 23, 21, 16", "placeholder": "10, 12, 23, 23", "help": "Separate values with commas, spaces, or semicolons.", "width": "full" }, { "id": "sample", "label": "Treat the values as a sample", "type": "checkbox", "defaultValue": false, "width": "full" }, { "id": "confidenceLevel", "label": "Confidence level for margin of error", "type": "select", "required": true, "defaultValue": 95, "options": [ { "label": "80%", "value": 80 }, { "label": "90%", "value": 90 }, { "label": "95%", "value": 95 }, { "label": "98%", "value": 98 }, { "label": "99%", "value": 99 } ], "width": "full" } ], "outputs": [ { "id": "standardDeviation", "label": "Standard deviation", "format": "number", "primary": true, "digits": 6 }, { "id": "variance", "label": "Variance", "format": "number", "digits": 6 }, { "id": "mean", "label": "Mean", "format": "number", "digits": 6 }, { "id": "sum", "label": "Sum", "format": "number", "digits": 6 }, { "id": "count", "label": "Count", "format": "integer" }, { "id": "standardError", "label": "Standard error", "format": "number", "digits": 6 }, { "id": "marginOfError", "label": "Margin of error", "format": "number", "digits": 6 } ], "formula": { "expression": "Population: σ = √[Σ(x − μ)²/n]; sample: s = √[Σ(x − x̄)²/(n − 1)]; margin = z·s/√n." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "values": "10, 12, 23, 23, 16, 23, 21, 16", "sample": false, "confidenceLevel": 95 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/standard-deviation-calculator.html" }, { "label": "NIST: confidence limits for the mean; assumptions and t versus z", "url": "https://www.itl.nist.gov/div898/handbook/eda/section3/eda352.htm" } ] }, { "id": "statistics-calculator", "version": "2.0.0", "name": "Statistics Calculator", "shortName": "Statistics", "description": "Calculate comprehensive descriptive statistics for a numeric data set.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "statistics", "descriptive statistics", "geometric mean", "population standard deviation", "sample standard deviation", "variance", "sum of squares" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/statistics-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/statistics-calculator/", "definition": "/calculator/statistics-calculator/definition.json", "schema": "/calculator/statistics-calculator/schema.json", "llms": "/calculator/statistics-calculator/llms.txt", "legacyDefinition": "/calculator/statistics-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/statistics-calculator/?values=10%2C+2%2C+38%2C+23%2C+38%2C+23%2C+21%2C+23", "queryParameters": { "values": { "label": "Values", "type": "text", "required": true, "default": "10, 2, 38, 23, 38, 23, 21, 23" } }, "inputs": [ { "id": "values", "label": "Values", "type": "text", "required": true, "defaultValue": "10, 2, 38, 23, 38, 23, 21, 23", "placeholder": "10, 2, 38, 23", "help": "Separate values with commas, spaces, or semicolons.", "width": "full" } ], "outputs": [ { "id": "count", "label": "Count", "format": "integer" }, { "id": "sum", "label": "Sum", "format": "number", "digits": 6 }, { "id": "mean", "label": "Arithmetic mean", "format": "number", "primary": true, "digits": 6 }, { "id": "geometricMean", "label": "Geometric mean", "format": "number", "digits": 6 }, { "id": "median", "label": "Median", "format": "number", "digits": 6 }, { "id": "mode", "label": "Mode", "format": "text" }, { "id": "minimum", "label": "Minimum", "format": "number", "digits": 6 }, { "id": "maximum", "label": "Maximum", "format": "number", "digits": 6 }, { "id": "range", "label": "Range", "format": "number", "digits": 6 }, { "id": "populationStandardDeviation", "label": "Population standard deviation", "format": "number", "digits": 6 }, { "id": "sampleStandardDeviation", "label": "Sample standard deviation", "format": "number", "digits": 6 }, { "id": "populationVariance", "label": "Population variance", "format": "number", "digits": 6 }, { "id": "sampleVariance", "label": "Sample variance", "format": "number", "digits": 6 }, { "id": "sumSquares", "label": "Sum of squares", "format": "number", "digits": 6 } ], "formula": { "expression": "x̄=Σx/n; σ²=Σ(x−μ)²/n; s²=Σ(x−x̄)²/(n−1); geometric mean=(Πx)^(1/n)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "values": "10, 2, 38, 23, 38, 23, 21, 23" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/statistics-calculator.html" }, { "label": "NIST: confidence limits for the mean; assumptions and t versus z", "url": "https://www.itl.nist.gov/div898/handbook/eda/section3/eda352.htm" } ] }, { "id": "surface-area-calculator", "version": "2.0.0", "name": "Surface Area Calculator", "shortName": "Surface area", "description": "Calculate total and component surface areas for nine common three-dimensional shapes.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "surface area", "sphere surface area", "cone surface area", "cylinder surface area", "tank surface area", "capsule surface area", "frustum surface area", "ellipsoid surface area" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/surface-area-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/surface-area-calculator/", "definition": "/calculator/surface-area-calculator/definition.json", "schema": "/calculator/surface-area-calculator/schema.json", "llms": "/calculator/surface-area-calculator/llms.txt", "legacyDefinition": "/calculator/surface-area-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/surface-area-calculator/?shape=sphere&sphereRadius=5", "queryParameters": { "shape": { "label": "Solid", "type": "select", "required": true, "default": "sphere" }, "sphereRadius": { "label": "Sphere radius", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "sphere" } }, "coneRadius": { "label": "Cone radius", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "cone" } }, "coneHeight": { "label": "Cone height", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "cone" } }, "cubeEdge": { "label": "Cube edge", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "cube" } }, "cylinderRadius": { "label": "Cylinder radius", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "cylinder" } }, "cylinderHeight": { "label": "Cylinder height", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "cylinder" } }, "boxLength": { "label": "Tank length", "type": "number", "required": true, "default": 10, "showWhen": { "field": "shape", "equals": "box" } }, "boxWidth": { "label": "Tank width", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "box" } }, "boxHeight": { "label": "Tank height", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "box" } }, "capsuleRadius": { "label": "Capsule radius", "type": "number", "required": true, "default": 2, "showWhen": { "field": "shape", "equals": "capsule" } }, "capsuleHeight": { "label": "Cylinder-section height", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "capsule" } }, "capBallRadius": { "label": "Ball radius", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "spherical-cap" } }, "capHeight": { "label": "Cap height", "type": "number", "required": true, "default": 2, "showWhen": { "field": "shape", "equals": "spherical-cap" } }, "frustumTopRadius": { "label": "Top radius", "type": "number", "required": true, "default": 2, "showWhen": { "field": "shape", "equals": "frustum" } }, "frustumBottomRadius": { "label": "Bottom radius", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "frustum" } }, "frustumHeight": { "label": "Frustum height", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "frustum" } }, "ellipsoidA": { "label": "Ellipsoid axis a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "ellipsoid" } }, "ellipsoidB": { "label": "Ellipsoid axis b", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "ellipsoid" } }, "ellipsoidC": { "label": "Ellipsoid axis c", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "ellipsoid" } } }, "inputs": [ { "id": "shape", "label": "Solid", "type": "select", "required": true, "defaultValue": "sphere", "options": [ { "label": "Ball / sphere", "value": "sphere" }, { "label": "Cone", "value": "cone" }, { "label": "Cube", "value": "cube" }, { "label": "Cylinder", "value": "cylinder" }, { "label": "Rectangular tank", "value": "box" }, { "label": "Capsule", "value": "capsule" }, { "label": "Spherical cap", "value": "spherical-cap" }, { "label": "Conical frustum", "value": "frustum" }, { "label": "Ellipsoid", "value": "ellipsoid" } ], "width": "full" }, { "id": "sphereRadius", "label": "Sphere radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "sphere" }, "width": "half" }, { "id": "coneRadius", "label": "Cone radius", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cone" }, "width": "half" }, { "id": "coneHeight", "label": "Cone height", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cone" }, "width": "half" }, { "id": "cubeEdge", "label": "Cube edge", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cube" }, "width": "half" }, { "id": "cylinderRadius", "label": "Cylinder radius", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cylinder" }, "width": "half" }, { "id": "cylinderHeight", "label": "Cylinder height", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cylinder" }, "width": "half" }, { "id": "boxLength", "label": "Tank length", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "box" }, "width": "half" }, { "id": "boxWidth", "label": "Tank width", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "box" }, "width": "half" }, { "id": "boxHeight", "label": "Tank height", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "box" }, "width": "half" }, { "id": "capsuleRadius", "label": "Capsule radius", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "capsule" }, "width": "half" }, { "id": "capsuleHeight", "label": "Cylinder-section height", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "capsule" }, "width": "half" }, { "id": "capBallRadius", "label": "Ball radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "spherical-cap" }, "width": "half" }, { "id": "capHeight", "label": "Cap height", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "spherical-cap" }, "width": "half" }, { "id": "frustumTopRadius", "label": "Top radius", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "frustum" }, "width": "half" }, { "id": "frustumBottomRadius", "label": "Bottom radius", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "frustum" }, "width": "half" }, { "id": "frustumHeight", "label": "Frustum height", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "frustum" }, "width": "half" }, { "id": "ellipsoidA", "label": "Ellipsoid axis a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipsoid" }, "width": "half" }, { "id": "ellipsoidB", "label": "Ellipsoid axis b", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipsoid" }, "width": "half" }, { "id": "ellipsoidC", "label": "Ellipsoid axis c", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipsoid" }, "width": "half" } ], "outputs": [ { "id": "surfaceArea", "label": "Total surface area", "format": "number", "primary": true, "digits": 6 }, { "id": "lateralArea", "label": "Lateral or curved area", "format": "number", "digits": 6 }, { "id": "baseArea", "label": "Base area", "format": "number", "digits": 6 }, { "id": "volume", "label": "Volume", "format": "number", "digits": 6 }, { "id": "shapeName", "label": "Solid", "format": "text" } ], "formula": { "expression": "Examples: sphere 4πr²; cone πr(r+√(r²+h²)); cylinder 2πr(r+h); box 2(lw+lh+wh)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "shape": "sphere", "sphereRadius": 5, "coneRadius": 3, "coneHeight": 4, "cubeEdge": 5, "cylinderRadius": 3, "cylinderHeight": 5, "boxLength": 10, "boxWidth": 6, "boxHeight": 4, "capsuleRadius": 2, "capsuleHeight": 6, "capBallRadius": 5, "capHeight": 2, "frustumTopRadius": 2, "frustumBottomRadius": 4, "frustumHeight": 6, "ellipsoidA": 3, "ellipsoidB": 4, "ellipsoidC": 5 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/surface-area-calculator.html" } ] }, { "id": "triangle-calculator", "version": "2.0.0", "name": "Triangle Calculator", "shortName": "Triangle", "description": "Solve a general triangle from three known values, including at least one side, and calculate sides, angles, area, radii, and medians.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "triangle solver", "law of sines", "law of cosines", "heron formula", "triangle angles", "inradius", "circumradius" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/triangle-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/triangle-calculator/", "definition": "/calculator/triangle-calculator/definition.json", "schema": "/calculator/triangle-calculator/schema.json", "llms": "/calculator/triangle-calculator/llms.txt", "legacyDefinition": "/calculator/triangle-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/triangle-calculator/?sideA=3&sideB=4&sideC=5&angleUnit=degrees", "queryParameters": { "sideA": { "label": "Side a", "type": "number", "required": false, "default": 3 }, "angleA": { "label": "Angle A", "type": "number", "required": false }, "sideB": { "label": "Side b", "type": "number", "required": false, "default": 4 }, "angleB": { "label": "Angle B", "type": "number", "required": false }, "sideC": { "label": "Side c", "type": "number", "required": false, "default": 5 }, "angleC": { "label": "Angle C", "type": "number", "required": false }, "angleUnit": { "label": "Angle unit", "type": "select", "required": true, "default": "degrees" } }, "inputs": [ { "id": "sideA", "label": "Side a", "type": "number", "defaultValue": 3, "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "angleA", "label": "Angle A", "type": "number", "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "sideB", "label": "Side b", "type": "number", "defaultValue": 4, "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "angleB", "label": "Angle B", "type": "number", "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "sideC", "label": "Side c", "type": "number", "defaultValue": 5, "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "angleC", "label": "Angle C", "type": "number", "min": 0.000001, "step": 0.01, "width": "half" }, { "id": "angleUnit", "label": "Angle unit", "type": "select", "required": true, "defaultValue": "degrees", "options": [ { "label": "Degrees", "value": "degrees" }, { "label": "Radians", "value": "radians" } ], "width": "full" } ], "outputs": [ { "id": "sideAResult", "label": "Side a", "format": "number", "primary": true, "digits": 6 }, { "id": "sideBResult", "label": "Side b", "format": "number", "digits": 6 }, { "id": "sideCResult", "label": "Side c", "format": "number", "digits": 6 }, { "id": "angleAResult", "label": "Angle A", "format": "number", "digits": 6, "suffix": "°" }, { "id": "angleBResult", "label": "Angle B", "format": "number", "digits": 6, "suffix": "°" }, { "id": "angleCResult", "label": "Angle C", "format": "number", "digits": 6, "suffix": "°" }, { "id": "area", "label": "Area", "format": "number", "digits": 6 }, { "id": "perimeter", "label": "Perimeter", "format": "number", "digits": 6 }, { "id": "inradius", "label": "Inradius", "format": "number", "digits": 6 }, { "id": "circumradius", "label": "Circumradius", "format": "number", "digits": 6 }, { "id": "medianA", "label": "Median to side a", "format": "number", "digits": 6 }, { "id": "medianB", "label": "Median to side b", "format": "number", "digits": 6 }, { "id": "medianC", "label": "Median to side c", "format": "number", "digits": 6 }, { "id": "triangleType", "label": "Triangle type", "format": "text" }, { "id": "solutionCount", "label": "Possible solutions", "format": "integer" } ], "formula": { "expression": "Use the law of cosines for SSS/SAS, the law of sines for ASA/AAS/SSA, and Heron’s formula K=√[s(s−a)(s−b)(s−c)]." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sideA": 3, "sideB": 4, "sideC": 5, "angleUnit": "degrees" } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/triangle-calculator.html" } ] }, { "id": "triangular-prism-calculator", "version": "1.0.0", "name": "Triangular Prism Calculator", "shortName": "Triangular Prism", "description": "Calculate volume and surface area of a triangular prism from triangle sides, triangle height, and prism length.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "triangular", "prism", "calculator", "triangular prism calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/triangular-prism-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/triangular-prism-calculator/", "definition": "/calculator/triangular-prism-calculator/definition.json", "schema": "/calculator/triangular-prism-calculator/schema.json", "llms": "/calculator/triangular-prism-calculator/llms.txt", "legacyDefinition": "/calculator/triangular-prism-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/triangular-prism-calculator/?triangleBase=6&triangleHeight=4&sideB=5&sideC=5&prismLength=10", "queryParameters": { "triangleBase": { "label": "Triangle base", "type": "number", "required": true, "default": 6 }, "triangleHeight": { "label": "Triangle height", "type": "number", "required": true, "default": 4 }, "sideB": { "label": "Triangle side b", "type": "number", "required": true, "default": 5 }, "sideC": { "label": "Triangle side c", "type": "number", "required": true, "default": 5 }, "prismLength": { "label": "Prism length", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "triangleBase", "label": "Triangle base", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.001 }, { "id": "triangleHeight", "label": "Triangle height", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.001 }, { "id": "sideB", "label": "Triangle side b", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.001 }, { "id": "sideC", "label": "Triangle side c", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.001 }, { "id": "prismLength", "label": "Prism length", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "volume", "label": "Volume", "format": "number", "primary": true, "digits": 8 }, { "id": "surfaceArea", "label": "Surface area", "format": "number", "digits": 8 }, { "id": "baseArea", "label": "Triangle base area", "format": "number", "digits": 8 }, { "id": "lateralArea", "label": "Lateral area", "format": "number", "digits": 8 } ], "formula": { "expression": "V = (½bh)L; surface area = 2(½bh) + (a + b + c)L" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "triangleBase": 6, "triangleHeight": 4, "sideB": 5, "sideC": 5, "prismLength": 10 } } ], "sources": [] }, { "id": "volume-calculator", "version": "2.0.0", "name": "Volume Calculator", "shortName": "Volume", "description": "Calculate volume and related surface measurements for eleven common three-dimensional shapes.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "volume", "sphere volume", "cone volume", "cylinder volume", "tank volume", "capsule volume", "frustum volume", "ellipsoid volume", "tube volume" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/volume-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/volume-calculator/", "definition": "/calculator/volume-calculator/definition.json", "schema": "/calculator/volume-calculator/schema.json", "llms": "/calculator/volume-calculator/llms.txt", "legacyDefinition": "/calculator/volume-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/volume-calculator/?shape=sphere&sphereRadius=5", "queryParameters": { "shape": { "label": "Solid", "type": "select", "required": true, "default": "sphere" }, "sphereRadius": { "label": "Sphere radius", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "sphere" } }, "coneRadius": { "label": "Cone base radius", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "cone" } }, "coneHeight": { "label": "Cone height", "type": "number", "required": true, "default": 8, "showWhen": { "field": "shape", "equals": "cone" } }, "cubeEdge": { "label": "Cube edge length", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "cube" } }, "cylinderRadius": { "label": "Cylinder radius", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "cylinder" } }, "cylinderHeight": { "label": "Cylinder height", "type": "number", "required": true, "default": 8, "showWhen": { "field": "shape", "equals": "cylinder" } }, "boxLength": { "label": "Tank length", "type": "number", "required": true, "default": 10, "showWhen": { "field": "shape", "equals": "box" } }, "boxWidth": { "label": "Tank width", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "box" } }, "boxHeight": { "label": "Tank height", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "box" } }, "capsuleRadius": { "label": "Capsule radius", "type": "number", "required": true, "default": 2, "showWhen": { "field": "shape", "equals": "capsule" } }, "capsuleHeight": { "label": "Cylinder-section height", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "capsule" } }, "capBallRadius": { "label": "Ball radius", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "spherical-cap" } }, "capHeight": { "label": "Cap height", "type": "number", "required": true, "default": 2, "showWhen": { "field": "shape", "equals": "spherical-cap" } }, "frustumTopRadius": { "label": "Top radius", "type": "number", "required": true, "default": 2, "showWhen": { "field": "shape", "equals": "frustum" } }, "frustumBottomRadius": { "label": "Bottom radius", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "frustum" } }, "frustumHeight": { "label": "Frustum height", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "frustum" } }, "ellipsoidA": { "label": "Ellipsoid axis a", "type": "number", "required": true, "default": 3, "showWhen": { "field": "shape", "equals": "ellipsoid" } }, "ellipsoidB": { "label": "Ellipsoid axis b", "type": "number", "required": true, "default": 4, "showWhen": { "field": "shape", "equals": "ellipsoid" } }, "ellipsoidC": { "label": "Ellipsoid axis c", "type": "number", "required": true, "default": 5, "showWhen": { "field": "shape", "equals": "ellipsoid" } }, "pyramidBaseEdge": { "label": "Square-pyramid base edge", "type": "number", "required": true, "default": 6, "showWhen": { "field": "shape", "equals": "square-pyramid" } }, "pyramidHeight": { "label": "Square-pyramid height", "type": "number", "required": true, "default": 8, "showWhen": { "field": "shape", "equals": "square-pyramid" } }, "tubeOuterDiameter": { "label": "Tube outer diameter", "type": "number", "required": true, "default": 10, "showWhen": { "field": "shape", "equals": "tube" } }, "tubeInnerDiameter": { "label": "Tube inner diameter", "type": "number", "required": true, "default": 8, "showWhen": { "field": "shape", "equals": "tube" } }, "tubeLength": { "label": "Tube length", "type": "number", "required": true, "default": 12, "showWhen": { "field": "shape", "equals": "tube" } } }, "inputs": [ { "id": "shape", "label": "Solid", "type": "select", "required": true, "defaultValue": "sphere", "options": [ { "label": "Sphere", "value": "sphere" }, { "label": "Cone", "value": "cone" }, { "label": "Cube", "value": "cube" }, { "label": "Cylinder", "value": "cylinder" }, { "label": "Rectangular tank", "value": "box" }, { "label": "Capsule", "value": "capsule" }, { "label": "Spherical cap", "value": "spherical-cap" }, { "label": "Conical frustum", "value": "frustum" }, { "label": "Ellipsoid", "value": "ellipsoid" }, { "label": "Square pyramid", "value": "square-pyramid" }, { "label": "Tube", "value": "tube" } ], "width": "full" }, { "id": "sphereRadius", "label": "Sphere radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "sphere" }, "width": "half" }, { "id": "coneRadius", "label": "Cone base radius", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cone" }, "width": "half" }, { "id": "coneHeight", "label": "Cone height", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cone" }, "width": "half" }, { "id": "cubeEdge", "label": "Cube edge length", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cube" }, "width": "half" }, { "id": "cylinderRadius", "label": "Cylinder radius", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cylinder" }, "width": "half" }, { "id": "cylinderHeight", "label": "Cylinder height", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "cylinder" }, "width": "half" }, { "id": "boxLength", "label": "Tank length", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "box" }, "width": "half" }, { "id": "boxWidth", "label": "Tank width", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "box" }, "width": "half" }, { "id": "boxHeight", "label": "Tank height", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "box" }, "width": "half" }, { "id": "capsuleRadius", "label": "Capsule radius", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "capsule" }, "width": "half" }, { "id": "capsuleHeight", "label": "Cylinder-section height", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "capsule" }, "width": "half" }, { "id": "capBallRadius", "label": "Ball radius", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "spherical-cap" }, "width": "half" }, { "id": "capHeight", "label": "Cap height", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "spherical-cap" }, "width": "half" }, { "id": "frustumTopRadius", "label": "Top radius", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "frustum" }, "width": "half" }, { "id": "frustumBottomRadius", "label": "Bottom radius", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "frustum" }, "width": "half" }, { "id": "frustumHeight", "label": "Frustum height", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "frustum" }, "width": "half" }, { "id": "ellipsoidA", "label": "Ellipsoid axis a", "type": "number", "required": true, "defaultValue": 3, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipsoid" }, "width": "half" }, { "id": "ellipsoidB", "label": "Ellipsoid axis b", "type": "number", "required": true, "defaultValue": 4, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipsoid" }, "width": "half" }, { "id": "ellipsoidC", "label": "Ellipsoid axis c", "type": "number", "required": true, "defaultValue": 5, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "ellipsoid" }, "width": "half" }, { "id": "pyramidBaseEdge", "label": "Square-pyramid base edge", "type": "number", "required": true, "defaultValue": 6, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "square-pyramid" }, "width": "half" }, { "id": "pyramidHeight", "label": "Square-pyramid height", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "square-pyramid" }, "width": "half" }, { "id": "tubeOuterDiameter", "label": "Tube outer diameter", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "tube" }, "width": "half" }, { "id": "tubeInnerDiameter", "label": "Tube inner diameter", "type": "number", "required": true, "defaultValue": 8, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "tube" }, "width": "half" }, { "id": "tubeLength", "label": "Tube length", "type": "number", "required": true, "defaultValue": 12, "min": 0.000001, "step": 0.01, "showWhen": { "field": "shape", "equals": "tube" }, "width": "half" } ], "outputs": [ { "id": "volume", "label": "Volume", "format": "number", "primary": true, "digits": 6 }, { "id": "surfaceArea", "label": "Surface area", "format": "number", "digits": 6 }, { "id": "baseArea", "label": "Base or cross-sectional area", "format": "number", "digits": 6 }, { "id": "shapeName", "label": "Solid", "format": "text" } ], "formula": { "expression": "Shape formulas include V=4πr³/3, πr²h, lwh, πr²(h+4r/3), πh(r²+rR+R²)/3, and 4πabc/3." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "shape": "sphere", "sphereRadius": 5, "coneRadius": 3, "coneHeight": 8, "cubeEdge": 4, "cylinderRadius": 3, "cylinderHeight": 8, "boxLength": 10, "boxWidth": 6, "boxHeight": 4, "capsuleRadius": 2, "capsuleHeight": 6, "capBallRadius": 5, "capHeight": 2, "frustumTopRadius": 2, "frustumBottomRadius": 4, "frustumHeight": 6, "ellipsoidA": 3, "ellipsoidB": 4, "ellipsoidC": 5, "pyramidBaseEdge": 6, "pyramidHeight": 8, "tubeOuterDiameter": 10, "tubeInnerDiameter": 8, "tubeLength": 12 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/volume-calculator.html" }, { "label": "OpenStax Prealgebra: geometry and measurement reference", "url": "https://openstax.org/details/books/prealgebra-2e" }, { "label": "NIST: SI conversion factors", "url": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8" } ] }, { "id": "z-score-calculator", "version": "2.0.0", "name": "Z-score Calculator", "shortName": "Z-score", "description": "Calculate a z-score, convert between z and normal probability, or find probability between two z-scores.", "category": "Math & Statistics", "categorySlug": "math-statistics", "keywords": [ "z score", "standard score", "normal probability", "z table", "inverse normal", "normal distribution" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-25", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/z-score-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "2.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-25", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/z-score-calculator/", "definition": "/calculator/z-score-calculator/definition.json", "schema": "/calculator/z-score-calculator/schema.json", "llms": "/calculator/z-score-calculator/llms.txt", "legacyDefinition": "/calculator/z-score-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/z-score-calculator/?mode=raw-score&rawScore=85&mean=75&standardDeviation=10", "queryParameters": { "mode": { "label": "Calculation", "type": "select", "required": true, "default": "raw-score" }, "rawScore": { "label": "Raw score (x)", "type": "number", "required": true, "default": 85, "showWhen": { "field": "mode", "equals": "raw-score" } }, "mean": { "label": "Population mean (μ)", "type": "number", "required": true, "default": 75, "showWhen": { "field": "mode", "equals": "raw-score" } }, "standardDeviation": { "label": "Standard deviation (σ)", "type": "number", "required": true, "default": 10, "showWhen": { "field": "mode", "equals": "raw-score" } }, "zValue": { "label": "Z-score", "type": "number", "required": true, "default": 1, "showWhen": { "field": "mode", "equals": "z-to-probability" } }, "leftProbability": { "label": "Left-tail probability P(X z)", "format": "percent", "digits": 6 }, { "id": "probabilityMeanToZ", "label": "Area between mean and z", "format": "percent", "digits": 6 }, { "id": "probabilityCentral", "label": "P(−|z| < X < |z|)", "format": "percent", "digits": 6 }, { "id": "probabilityTwoTail", "label": "Outside ±|z|", "format": "percent", "digits": 6 }, { "id": "betweenProbability", "label": "Probability between bounds", "format": "percent", "digits": 6 } ], "formula": { "expression": "z=(x−μ)/σ; probabilities use the standard-normal CDF Φ(z); inverse conversion uses z=Φ⁻¹(p)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "raw-score", "rawScore": 85, "mean": 75, "standardDeviation": 10, "zValue": 1, "leftProbability": 0.841344746, "leftZ": -1, "rightZ": 1 } } ], "sources": [ { "label": "Calculator.net reference calculator", "url": "https://www.calculator.net/z-score-calculator.html" } ] }, { "id": "bandwidth-calculator", "version": "7.0.0", "name": "Bandwidth Calculator", "shortName": "Bandwidth", "description": "Calculate download/upload time.", "category": "Developer", "categorySlug": "developer", "keywords": [ "bandwidth" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bandwidth-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/bandwidth-calculator/", "definition": "/calculator/bandwidth-calculator/definition.json", "schema": "/calculator/bandwidth-calculator/schema.json", "llms": "/calculator/bandwidth-calculator/llms.txt", "legacyDefinition": "/calculator/bandwidth-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bandwidth-calculator/?fileSize=1&speed=100", "queryParameters": { "fileSize": { "label": "File Size (GB)", "type": "number", "required": false, "default": 1 }, "speed": { "label": "Internet Speed (Mbps)", "type": "number", "required": false, "default": 100 } }, "inputs": [ { "id": "fileSize", "label": "File Size (GB)", "type": "number", "defaultValue": 1 }, { "id": "speed", "label": "Internet Speed (Mbps)", "type": "number", "defaultValue": 100 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Transfer time = file size in bits ÷ bandwidth in bits per second, with unit conversions." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "fileSize": 1, "speed": 100 } } ], "sources": [] }, { "id": "base64-converter", "version": "7.0.0", "name": "Base64 Converter", "shortName": "Base64", "description": "Encode and decode Base64 strings.", "category": "Developer", "categorySlug": "developer", "keywords": [ "base64" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/base64-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/base64-converter/", "definition": "/calculator/base64-converter/definition.json", "schema": "/calculator/base64-converter/schema.json", "llms": "/calculator/base64-converter/llms.txt", "legacyDefinition": "/calculator/base64-converter.json" }, "queryExample": "https://askcalculators.com/calculator/base64-converter/?text=Hello+World&mode=encode", "queryParameters": { "text": { "label": "Text", "type": "text", "required": false, "default": "Hello World" }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "encode" } }, "inputs": [ { "id": "text", "label": "Text", "type": "text", "defaultValue": "Hello World" }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "encode" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Encode converts UTF-8 bytes to Base64; decode converts valid Base64 bytes back to UTF-8 text." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "text": "Hello World", "mode": "encode" } } ], "sources": [] }, { "id": "braille-translator", "version": "7.0.0", "name": "Braille Translator", "shortName": "Braille", "description": "Translate text to Braille symbols.", "category": "Developer", "categorySlug": "developer", "keywords": [ "braille", "translator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/braille-translator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/braille-translator/", "definition": "/calculator/braille-translator/definition.json", "schema": "/calculator/braille-translator/schema.json", "llms": "/calculator/braille-translator/llms.txt", "legacyDefinition": "/calculator/braille-translator.json" }, "queryExample": "https://askcalculators.com/calculator/braille-translator/?text=Hello+World", "queryParameters": { "text": { "label": "Text", "type": "text", "required": false, "default": "Hello World" } }, "inputs": [ { "id": "text", "label": "Text", "type": "text", "defaultValue": "Hello World" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Characters are mapped to and from the published six-dot Unicode Braille patterns." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "text": "Hello World" } } ], "sources": [] }, { "id": "color-converter", "version": "7.0.0", "name": "Color Converter", "shortName": "Color", "description": "Convert colors between HEX, RGB, and HSL formats.", "category": "Developer", "categorySlug": "developer", "keywords": [ "color" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/color-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/color-converter/", "definition": "/calculator/color-converter/definition.json", "schema": "/calculator/color-converter/schema.json", "llms": "/calculator/color-converter/llms.txt", "legacyDefinition": "/calculator/color-converter.json" }, "queryExample": "https://askcalculators.com/calculator/color-converter/?hex=%23FF5733&rgb=255%2C+87%2C+51&hsl=10%2C+100%25%2C+60%25", "queryParameters": { "hex": { "label": "HEX", "type": "text", "required": false, "default": "#FF5733" }, "rgb": { "label": "RGB", "type": "text", "required": false, "default": "255, 87, 51" }, "hsl": { "label": "HSL", "type": "text", "required": false, "default": "10, 100%, 60%" } }, "inputs": [ { "id": "hex", "label": "HEX", "type": "text", "defaultValue": "#FF5733" }, { "id": "rgb", "label": "RGB", "type": "text", "defaultValue": "255, 87, 51" }, { "id": "hsl", "label": "HSL", "type": "text", "defaultValue": "10, 100%, 60%" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "RGB, HEX, and HSL values are converted with the standard color-space transformation equations." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "hex": "#FF5733", "rgb": "255, 87, 51", "hsl": "10, 100%, 60%" } } ], "sources": [] }, { "id": "ip-subnet-calculator", "version": "7.0.0", "name": "IP Subnet Calculator", "shortName": "IP Subnet", "description": "Professional tool to calculate network range, broadcast address, and usable host capacity.", "category": "Developer", "categorySlug": "developer", "keywords": [ "ip", "subnet" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ip-subnet-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/ip-subnet-calculator/", "definition": "/calculator/ip-subnet-calculator/definition.json", "schema": "/calculator/ip-subnet-calculator/schema.json", "llms": "/calculator/ip-subnet-calculator/llms.txt", "legacyDefinition": "/calculator/ip-subnet-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ip-subnet-calculator/?ip=192.168.1.1&mask=24", "queryParameters": { "ip": { "label": "IP Address", "type": "text", "required": false, "default": "192.168.1.1" }, "mask": { "label": "Prefix (/)", "type": "number", "required": false, "default": 24 } }, "inputs": [ { "id": "ip", "label": "IP Address", "type": "text", "defaultValue": "192.168.1.1" }, { "id": "mask", "label": "Prefix (/)", "type": "number", "defaultValue": 24 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Subnet mask and network ranges are derived by bitwise AND/OR operations on the IPv4 address and CIDR prefix." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ip": "192.168.1.1", "mask": 24 } } ], "sources": [] }, { "id": "json-formatter", "version": "7.0.0", "name": "JSON Formatter", "shortName": "JSON Formatter", "description": "Format and validate JSON data.", "category": "Developer", "categorySlug": "developer", "keywords": [ "json", "formatter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/json-formatter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/json-formatter/", "definition": "/calculator/json-formatter/definition.json", "schema": "/calculator/json-formatter/schema.json", "llms": "/calculator/json-formatter/llms.txt", "legacyDefinition": "/calculator/json-formatter.json" }, "queryExample": "https://askcalculators.com/calculator/json-formatter/?input=%7B%22name%22%3A+%22OmniCalc%22%2C+%22type%22%3A+%22Pro%22%7D", "queryParameters": { "input": { "label": "Input", "type": "text", "required": false, "default": "{\"name\": \"OmniCalc\", \"type\": \"Pro\"}" } }, "inputs": [ { "id": "input", "label": "Input", "type": "text", "defaultValue": "{\"name\": \"OmniCalc\", \"type\": \"Pro\"}" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Input is parsed as JSON and serialized with the selected indentation; minify removes insignificant whitespace." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "input": "{\"name\": \"OmniCalc\", \"type\": \"Pro\"}" } } ], "sources": [] }, { "id": "lorem-ipsum-generator", "version": "7.0.0", "name": "Lorem Ipsum Generator", "shortName": "Lorem Ipsum", "description": "Generate placeholder text for your designs.", "category": "Developer", "categorySlug": "developer", "keywords": [ "lorem", "ipsum" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/lorem-ipsum-generator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/lorem-ipsum-generator/", "definition": "/calculator/lorem-ipsum-generator/definition.json", "schema": "/calculator/lorem-ipsum-generator/schema.json", "llms": "/calculator/lorem-ipsum-generator/llms.txt", "legacyDefinition": "/calculator/lorem-ipsum-generator.json" }, "queryExample": "https://askcalculators.com/calculator/lorem-ipsum-generator/?paragraphs=3", "queryParameters": { "paragraphs": { "label": "Paragraphs", "type": "number", "required": false, "default": 3 } }, "inputs": [ { "id": "paragraphs", "label": "Paragraphs", "type": "number", "defaultValue": 3 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The selected number of words, sentences, or paragraphs is assembled from a fixed local lorem-ipsum word list." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "paragraphs": 3 } } ], "sources": [] }, { "id": "morse-code-translator", "version": "7.0.0", "name": "Morse Code Translator", "shortName": "Morse Code", "description": "Convert standard text into Morse code signals for communication or learning.", "category": "Developer", "categorySlug": "developer", "keywords": [ "morse", "code", "translator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/morse-code-translator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/morse-code-translator/", "definition": "/calculator/morse-code-translator/definition.json", "schema": "/calculator/morse-code-translator/schema.json", "llms": "/calculator/morse-code-translator/llms.txt", "legacyDefinition": "/calculator/morse-code-translator.json" }, "queryExample": "https://askcalculators.com/calculator/morse-code-translator/?text=SOS", "queryParameters": { "text": { "label": "Enter Message", "type": "text", "required": false, "default": "SOS" } }, "inputs": [ { "id": "text", "label": "Enter Message", "type": "text", "defaultValue": "SOS" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Characters are mapped to and from International Morse code symbols with spaces separating letters and slashes separating words." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "text": "SOS" } } ], "sources": [] }, { "id": "password-generator", "version": "7.0.0", "name": "Password Generator", "shortName": "Password", "description": "Generate a cryptographically secure password locally; bookmarkable URLs save settings, not the password.", "category": "Developer", "categorySlug": "developer", "keywords": [ "password" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/password-generator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Generated locally. Store passwords in a reputable password manager and use unique credentials.", "urls": { "page": "/calculator/password-generator/", "definition": "/calculator/password-generator/definition.json", "schema": "/calculator/password-generator/schema.json", "llms": "/calculator/password-generator/llms.txt", "legacyDefinition": "/calculator/password-generator.json" }, "queryExample": "https://askcalculators.com/calculator/password-generator/?length=16&includeUppercase=1&includeNumbers=1&includeSymbols=1", "queryParameters": { "length": { "label": "Length", "type": "text", "required": false, "default": 16 }, "includeUppercase": { "label": "Include uppercase", "type": "checkbox", "required": false, "default": true }, "includeNumbers": { "label": "Include numbers", "type": "checkbox", "required": false, "default": true }, "includeSymbols": { "label": "Include symbols", "type": "checkbox", "required": false, "default": true } }, "inputs": [ { "id": "length", "label": "Length", "type": "text", "defaultValue": 16 }, { "id": "includeUppercase", "label": "Include uppercase", "type": "checkbox", "defaultValue": true }, { "id": "includeNumbers", "label": "Include numbers", "type": "checkbox", "defaultValue": true }, { "id": "includeSymbols", "label": "Include symbols", "type": "checkbox", "defaultValue": true } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "At least one character is selected from every enabled group; remaining characters use cryptographically secure random selection and the final sequence is securely shuffled." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "length": 16, "includeUppercase": true, "includeNumbers": true, "includeSymbols": true } } ], "sources": [] }, { "id": "qr-code-generator", "version": "7.0.0", "name": "QR Code Generator", "shortName": "QR Code", "description": "Create instant QR codes for website URLs, plain text, or contact information.", "category": "Developer", "categorySlug": "developer", "keywords": [ "qr", "code" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/qr-code-generator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/qr-code-generator/", "definition": "/calculator/qr-code-generator/definition.json", "schema": "/calculator/qr-code-generator/schema.json", "llms": "/calculator/qr-code-generator/llms.txt", "legacyDefinition": "/calculator/qr-code-generator.json" }, "queryExample": "https://askcalculators.com/calculator/qr-code-generator/?text=https%3A%2F%2Fexample.com", "queryParameters": { "text": { "label": "Target URL or Text", "type": "text", "required": false, "default": "https://example.com" } }, "inputs": [ { "id": "text", "label": "Target URL or Text", "type": "text", "defaultValue": "https://example.com" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The entered text is encoded locally into a QR Code matrix with the selected error-correction settings." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "text": "https://example.com" } } ], "sources": [] }, { "id": "uuid-generator", "version": "7.0.0", "name": "UUID Generator", "shortName": "UUID", "description": "Generate cryptographically secure version 4 UUIDs locally; bookmarkable URLs save the quantity, not generated UUIDs.", "category": "Developer", "categorySlug": "developer", "keywords": [ "uuid" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/uuid-generator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/uuid-generator/", "definition": "/calculator/uuid-generator/definition.json", "schema": "/calculator/uuid-generator/schema.json", "llms": "/calculator/uuid-generator/llms.txt", "legacyDefinition": "/calculator/uuid-generator.json" }, "queryExample": "https://askcalculators.com/calculator/uuid-generator/?count=5", "queryParameters": { "count": { "label": "Count", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "count", "label": "Count", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Each UUID is generated as RFC 4122/9562 version 4 using cryptographically secure random bytes with version and variant bits set." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "count": 5 } } ], "sources": [ { "label": "RFC 9562 UUIDs", "url": "https://www.rfc-editor.org/rfc/rfc9562.html" } ] }, { "id": "age-calculator", "version": "1.0.0", "name": "Age Calculator", "shortName": "Age", "description": "Find exact age, total days, and the next birthday from two dates.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "birthday", "date of birth", "years months days", "days alive" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/age-calculator/", "definition": "/calculator/age-calculator/definition.json", "schema": "/calculator/age-calculator/schema.json", "llms": "/calculator/age-calculator/llms.txt", "legacyDefinition": "/calculator/age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/age-calculator/?birthDate=1990-01-01", "queryParameters": { "birthDate": { "label": "Date of birth", "type": "date", "required": true, "default": "1990-01-01" }, "targetDate": { "label": "Age on date", "type": "date", "required": false } }, "inputs": [ { "id": "birthDate", "label": "Date of birth", "type": "date", "required": true, "defaultValue": "1990-01-01", "width": "half" }, { "id": "targetDate", "label": "Age on date", "type": "date", "defaultToday": true, "help": "Defaults to today", "width": "half" } ], "outputs": [ { "id": "exactAge", "label": "Exact age", "format": "text", "primary": true }, { "id": "totalDays", "label": "Total days", "format": "integer" }, { "id": "nextBirthday", "label": "Next birthday", "format": "date" }, { "id": "daysToBirthday", "label": "Days until next birthday", "format": "integer" } ], "formula": { "expression": "Exact calendar difference = target date − birth date", "note": "Month length and leap years are handled as calendar dates, not average day counts." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "birthDate": "1990-01-01" } } ], "sources": [] }, { "id": "date-calculator", "version": "7.0.0", "name": "Date Calculator", "shortName": "Date", "description": "Calculate duration between dates or add/subtract days from a starting point.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "date" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/date-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/date-calculator/", "definition": "/calculator/date-calculator/definition.json", "schema": "/calculator/date-calculator/schema.json", "llms": "/calculator/date-calculator/llms.txt", "legacyDefinition": "/calculator/date-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/date-calculator/?daysToAdd=0&mode=diff", "queryParameters": { "startDate": { "label": "Start Date", "type": "date", "required": false }, "endDate": { "label": "End Date", "type": "date", "required": false, "default": "" }, "daysToAdd": { "label": "Days to Add (±)", "type": "number", "required": false, "default": 0 }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "diff" } }, "inputs": [ { "id": "startDate", "label": "Start Date", "type": "date", "defaultToday": true }, { "id": "endDate", "label": "End Date", "type": "date", "defaultValue": "" }, { "id": "daysToAdd", "label": "Days to Add (±)", "type": "number", "defaultValue": 0 }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "diff" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The selected number of calendar days, weeks, months, or years is added to or subtracted from the start date using UTC calendar arithmetic." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "endDate": "", "daysToAdd": 0, "mode": "diff" } } ], "sources": [] }, { "id": "date-difference-calculator", "version": "1.0.0", "name": "Date Difference Calculator", "shortName": "Date difference", "description": "Find the exact calendar difference and total days between two dates.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "days between dates", "calendar difference", "weeks between dates", "date span" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/date-difference-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/date-difference-calculator/", "definition": "/calculator/date-difference-calculator/definition.json", "schema": "/calculator/date-difference-calculator/schema.json", "llms": "/calculator/date-difference-calculator/llms.txt", "legacyDefinition": "/calculator/date-difference-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/date-difference-calculator/?startDate=2026-01-01&endDate=2026-08-18", "queryParameters": { "startDate": { "label": "Start date", "type": "date", "required": true, "default": "2026-01-01" }, "endDate": { "label": "End date", "type": "date", "required": true, "default": "2026-08-18" } }, "inputs": [ { "id": "startDate", "label": "Start date", "type": "date", "required": true, "defaultValue": "2026-01-01", "width": "half" }, { "id": "endDate", "label": "End date", "type": "date", "required": true, "defaultValue": "2026-08-18", "width": "half" } ], "outputs": [ { "id": "exactDifference", "label": "Exact difference", "format": "text", "primary": true }, { "id": "totalDays", "label": "Total days", "format": "integer" }, { "id": "weeksAndDays", "label": "Weeks and days", "format": "text" }, { "id": "averageMonths", "label": "Average months", "format": "number", "digits": 2 } ], "formula": { "expression": "Exact difference uses calendar years, months, and remaining days" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startDate": "2026-01-01", "endDate": "2026-08-18" } } ], "sources": [] }, { "id": "day-counter", "version": "7.0.0", "name": "Day Counter", "shortName": "Day Counter", "description": "Quickly calculate the exact number of days between two specific dates.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "day", "counter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/day-counter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/day-counter/", "definition": "/calculator/day-counter/definition.json", "schema": "/calculator/day-counter/schema.json", "llms": "/calculator/day-counter/llms.txt", "legacyDefinition": "/calculator/day-counter.json" }, "queryExample": "https://askcalculators.com/calculator/day-counter/", "queryParameters": { "startDate": { "label": "Start Date", "type": "date", "required": false }, "endDate": { "label": "End Date", "type": "date", "required": false } }, "inputs": [ { "id": "startDate", "label": "Start Date", "type": "date" }, { "id": "endDate", "label": "End Date", "type": "date" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Calendar-day difference is the UTC date difference; inclusive mode adds one day." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": {} } ], "sources": [] }, { "id": "day-of-week-calculator", "version": "1.0.0", "name": "Day of Week Calculator", "shortName": "Day of week", "description": "Find the weekday, day of year, ISO week number, and leap-year status.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "weekday for date", "calendar day", "iso week", "day number" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/day-of-week-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/day-of-week-calculator/", "definition": "/calculator/day-of-week-calculator/definition.json", "schema": "/calculator/day-of-week-calculator/schema.json", "llms": "/calculator/day-of-week-calculator/llms.txt", "legacyDefinition": "/calculator/day-of-week-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/day-of-week-calculator/?date=2026-08-18", "queryParameters": { "date": { "label": "Date", "type": "date", "required": true, "default": "2026-08-18" } }, "inputs": [ { "id": "date", "label": "Date", "type": "date", "required": true, "defaultValue": "2026-08-18", "width": "full" } ], "outputs": [ { "id": "weekday", "label": "Weekday", "format": "text", "primary": true }, { "id": "dayOfYear", "label": "Day of year", "format": "integer" }, { "id": "isoWeek", "label": "ISO week", "format": "integer" }, { "id": "leapYear", "label": "Leap year", "format": "text" } ], "formula": { "expression": "Weekday and ISO week are derived from the Gregorian calendar date" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "date": "2026-08-18" } } ], "sources": [] }, { "id": "decimal-to-time-calculator", "version": "1.0.0", "name": "Decimal to Time Calculator", "shortName": "Decimal to Time", "description": "Convert decimal hours to days, hours, minutes, and seconds.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "decimal", "to", "time", "calculator", "decimal to time calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/decimal-to-time-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/decimal-to-time-calculator/", "definition": "/calculator/decimal-to-time-calculator/definition.json", "schema": "/calculator/decimal-to-time-calculator/schema.json", "llms": "/calculator/decimal-to-time-calculator/llms.txt", "legacyDefinition": "/calculator/decimal-to-time-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/decimal-to-time-calculator/?decimalHours=7.75", "queryParameters": { "decimalHours": { "label": "Decimal hours", "type": "number", "required": true, "default": 7.75 } }, "inputs": [ { "id": "decimalHours", "label": "Decimal hours", "type": "number", "required": true, "defaultValue": 7.75, "step": 0.000001 } ], "outputs": [ { "id": "time", "label": "Time", "format": "text", "primary": true }, { "id": "hours", "label": "Whole hours", "format": "integer" }, { "id": "minutes", "label": "Minutes", "format": "integer" }, { "id": "seconds", "label": "Seconds", "format": "number", "digits": 3 }, { "id": "totalMinutes", "label": "Total minutes", "format": "number", "digits": 6 } ], "formula": { "expression": "total seconds = decimal hours × 3600" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "decimalHours": 7.75 } } ], "sources": [] }, { "id": "hours-to-days-converter", "version": "1.0.0", "name": "Hours to Days Converter", "shortName": "Hours to Days Converter", "description": "Convert hours to decimal days and days plus remaining hours.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "hours", "to", "days", "converter", "hours to days converter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hours-to-days-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/hours-to-days-converter/", "definition": "/calculator/hours-to-days-converter/definition.json", "schema": "/calculator/hours-to-days-converter/schema.json", "llms": "/calculator/hours-to-days-converter/llms.txt", "legacyDefinition": "/calculator/hours-to-days-converter.json" }, "queryExample": "https://askcalculators.com/calculator/hours-to-days-converter/?hours=48", "queryParameters": { "hours": { "label": "Hours", "type": "number", "required": true, "default": 48 } }, "inputs": [ { "id": "hours", "label": "Hours", "type": "number", "required": true, "defaultValue": 48, "step": 0.000001 } ], "outputs": [ { "id": "days", "label": "Decimal days", "format": "number", "primary": true, "digits": 8 }, { "id": "daysAndHours", "label": "Days and hours", "format": "text" } ], "formula": { "expression": "days = hours ÷ 24" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "hours": 48 } } ], "sources": [] }, { "id": "hours-to-minutes-converter", "version": "1.0.0", "name": "Hours to Minutes Converter", "shortName": "Hours to Minutes Converter", "description": "Convert hours to minutes.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "hours", "to", "minutes", "converter", "hours to minutes converter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hours-to-minutes-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/hours-to-minutes-converter/", "definition": "/calculator/hours-to-minutes-converter/definition.json", "schema": "/calculator/hours-to-minutes-converter/schema.json", "llms": "/calculator/hours-to-minutes-converter/llms.txt", "legacyDefinition": "/calculator/hours-to-minutes-converter.json" }, "queryExample": "https://askcalculators.com/calculator/hours-to-minutes-converter/?hours=2.5", "queryParameters": { "hours": { "label": "Hours", "type": "number", "required": true, "default": 2.5 } }, "inputs": [ { "id": "hours", "label": "Hours", "type": "number", "required": true, "defaultValue": 2.5, "step": 0.000001 } ], "outputs": [ { "id": "minutes", "label": "Minutes", "format": "number", "primary": true, "digits": 8 }, { "id": "seconds", "label": "Seconds", "format": "number", "digits": 4 } ], "formula": { "expression": "minutes = hours × 60" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "hours": 2.5 } } ], "sources": [] }, { "id": "hours-calculator", "version": "7.0.0", "name": "Hours Worked Calculator", "shortName": "Hours Worked", "description": "Quickly calculate total shift duration minus break time for payroll or time tracking.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "hours" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hours-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/hours-calculator/", "definition": "/calculator/hours-calculator/definition.json", "schema": "/calculator/hours-calculator/schema.json", "llms": "/calculator/hours-calculator/llms.txt", "legacyDefinition": "/calculator/hours-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/hours-calculator/?startTime=09%3A00&endTime=17%3A00&breakDuration=30", "queryParameters": { "startTime": { "label": "Start Time", "type": "time", "required": false, "default": "09:00" }, "endTime": { "label": "End Time", "type": "time", "required": false, "default": "17:00" }, "breakDuration": { "label": "Total Break Time (minutes)", "type": "number", "required": false, "default": 30 } }, "inputs": [ { "id": "startTime", "label": "Start Time", "type": "time", "defaultValue": "09:00" }, { "id": "endTime", "label": "End Time", "type": "time", "defaultValue": "17:00" }, { "id": "breakDuration", "label": "Total Break Time (minutes)", "type": "number", "defaultValue": 30 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Elapsed hours = end time − start time − break duration, with overnight shifts carried into the next day." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startTime": "09:00", "endTime": "17:00", "breakDuration": 30 } } ], "sources": [] }, { "id": "leap-year-calculator", "version": "7.0.0", "name": "Leap Year Checker", "shortName": "Leap Year Checker", "description": "Quickly determine if a specific year is a leap year according to the Gregorian calendar.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "leap", "year" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/leap-year-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/leap-year-calculator/", "definition": "/calculator/leap-year-calculator/definition.json", "schema": "/calculator/leap-year-calculator/schema.json", "llms": "/calculator/leap-year-calculator/llms.txt", "legacyDefinition": "/calculator/leap-year-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/leap-year-calculator/?year=2028", "queryParameters": { "year": { "label": "Enter Year", "type": "number", "required": false, "default": 2028 } }, "inputs": [ { "id": "year", "label": "Enter Year", "type": "number", "defaultValue": 2028 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "A Gregorian year is leap if divisible by 4, except century years unless divisible by 400." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "year": 2028 } } ], "sources": [] }, { "id": "military-time-converter", "version": "1.0.0", "name": "Military Time Converter", "shortName": "Military Time Converter", "description": "Convert between 24-hour military time and 12-hour time with AM or PM.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "military", "time", "converter", "military time converter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/military-time-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/military-time-converter/", "definition": "/calculator/military-time-converter/definition.json", "schema": "/calculator/military-time-converter/schema.json", "llms": "/calculator/military-time-converter/llms.txt", "legacyDefinition": "/calculator/military-time-converter.json" }, "queryExample": "https://askcalculators.com/calculator/military-time-converter/?mode=to12&time24=14%3A30&hour12=2&minute12=30&meridiem=PM", "queryParameters": { "mode": { "label": "Conversion", "type": "select", "required": true, "default": "to12" }, "time24": { "label": "24-hour time", "type": "time", "required": true, "default": "14:30" }, "hour12": { "label": "12-hour hour", "type": "number", "required": true, "default": 2 }, "minute12": { "label": "Minute", "type": "number", "required": true, "default": 30 }, "meridiem": { "label": "AM or PM", "type": "select", "required": true, "default": "PM" } }, "inputs": [ { "id": "mode", "label": "Conversion", "type": "select", "required": true, "defaultValue": "to12", "options": [ { "label": "24-hour to 12-hour", "value": "to12" }, { "label": "12-hour to 24-hour", "value": "to24" } ] }, { "id": "time24", "label": "24-hour time", "type": "time", "required": true, "defaultValue": "14:30" }, { "id": "hour12", "label": "12-hour hour", "type": "number", "required": true, "defaultValue": 2, "min": 1, "max": 12, "step": 1 }, { "id": "minute12", "label": "Minute", "type": "number", "required": true, "defaultValue": 30, "min": 0, "max": 59, "step": 1 }, { "id": "meridiem", "label": "AM or PM", "type": "select", "required": true, "defaultValue": "PM", "options": [ { "label": "AM", "value": "AM" }, { "label": "PM", "value": "PM" } ] } ], "outputs": [ { "id": "result", "label": "Converted time", "format": "text", "primary": true }, { "id": "hoursAfterMidnight", "label": "Hours after midnight", "format": "number", "digits": 6 } ], "formula": { "expression": "24-hour time uses hours 00–23; for PM add 12 except at 12 PM, and map 12 AM to 00" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mode": "to12", "time24": "14:30", "hour12": 2, "minute12": 30, "meridiem": "PM" } } ], "sources": [] }, { "id": "milliseconds-calculator", "version": "7.0.0", "name": "Milliseconds Converter", "shortName": "Milliseconds", "description": "Quickly convert milliseconds into standard time units like seconds and minutes.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "milliseconds" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/milliseconds-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/milliseconds-calculator/", "definition": "/calculator/milliseconds-calculator/definition.json", "schema": "/calculator/milliseconds-calculator/schema.json", "llms": "/calculator/milliseconds-calculator/llms.txt", "legacyDefinition": "/calculator/milliseconds-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/milliseconds-calculator/?ms=1000", "queryParameters": { "ms": { "label": "Milliseconds (ms)", "type": "number", "required": false, "default": 1000 } }, "inputs": [ { "id": "ms", "label": "Milliseconds (ms)", "type": "number", "defaultValue": 1000 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Milliseconds = seconds × 1000, with selected unit conversions." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "ms": 1000 } } ], "sources": [] }, { "id": "minutes-calculator", "version": "7.0.0", "name": "Minutes Converter", "shortName": "Minutes", "description": "Easily convert minutes into hours or seconds for scheduling and timing.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "minutes" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/minutes-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/minutes-calculator/", "definition": "/calculator/minutes-calculator/definition.json", "schema": "/calculator/minutes-calculator/schema.json", "llms": "/calculator/minutes-calculator/llms.txt", "legacyDefinition": "/calculator/minutes-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/minutes-calculator/?minutes=100", "queryParameters": { "minutes": { "label": "Minutes (min)", "type": "number", "required": false, "default": 100 } }, "inputs": [ { "id": "minutes", "label": "Minutes (min)", "type": "number", "defaultValue": 100 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Total minutes = hours × 60 + minutes + seconds ÷ 60." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "minutes": 100 } } ], "sources": [] }, { "id": "moon-phase-calculator", "version": "7.0.0", "name": "Moon Phase", "shortName": "Moon Phase", "description": "Visualize and track the current phase of the moon for any given date.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "moon", "phase" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/moon-phase-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/moon-phase-calculator/", "definition": "/calculator/moon-phase-calculator/definition.json", "schema": "/calculator/moon-phase-calculator/schema.json", "llms": "/calculator/moon-phase-calculator/llms.txt", "legacyDefinition": "/calculator/moon-phase-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/moon-phase-calculator/", "queryParameters": { "date": { "label": "Target Date", "type": "date", "required": false } }, "inputs": [ { "id": "date", "label": "Target Date", "type": "date" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The date is converted to lunar age within the mean 29.530588-day synodic month and mapped to a phase name." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": {} } ], "sources": [] }, { "id": "seconds-calculator", "version": "7.0.0", "name": "Seconds Converter", "shortName": "Seconds", "description": "Convert seconds to minutes and hours.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "seconds" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/seconds-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/seconds-calculator/", "definition": "/calculator/seconds-calculator/definition.json", "schema": "/calculator/seconds-calculator/schema.json", "llms": "/calculator/seconds-calculator/llms.txt", "legacyDefinition": "/calculator/seconds-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/seconds-calculator/?seconds=3600", "queryParameters": { "seconds": { "label": "Seconds", "type": "number", "required": false, "default": 3600 } }, "inputs": [ { "id": "seconds", "label": "Seconds", "type": "number", "defaultValue": 3600 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Total seconds = hours × 3600 + minutes × 60 + seconds." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "seconds": 3600 } } ], "sources": [] }, { "id": "sunrise-sunset-times-calculator", "version": "1.0.0", "name": "Sunrise Sunset Times Calculator", "shortName": "Sunrise Sunset Times", "description": "Estimate sunrise, sunset, solar noon, and day length from date, latitude, longitude, and UTC offset.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "sunrise", "sunset", "times", "calculator", "sunrise sunset times calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/sunrise-sunset-times-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sunrise and sunset are estimates based on a standard solar model. Verify the UTC offset and daylight-saving status for the location.", "urls": { "page": "/calculator/sunrise-sunset-times-calculator/", "definition": "/calculator/sunrise-sunset-times-calculator/definition.json", "schema": "/calculator/sunrise-sunset-times-calculator/schema.json", "llms": "/calculator/sunrise-sunset-times-calculator/llms.txt", "legacyDefinition": "/calculator/sunrise-sunset-times-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/sunrise-sunset-times-calculator/?date=2026-09-01&latitude=42.3601&longitude=-71.0589&utcOffset=-4", "queryParameters": { "date": { "label": "Date", "type": "date", "required": true, "default": "2026-09-01" }, "latitude": { "label": "Latitude (degrees)", "type": "number", "required": true, "default": 42.3601 }, "longitude": { "label": "Longitude (degrees; east positive)", "type": "number", "required": true, "default": -71.0589 }, "utcOffset": { "label": "UTC offset (hours)", "type": "number", "required": true, "default": -4 } }, "inputs": [ { "id": "date", "label": "Date", "type": "date", "required": true, "defaultValue": "2026-09-01" }, { "id": "latitude", "label": "Latitude (degrees)", "type": "number", "required": true, "defaultValue": 42.3601, "min": -90, "max": 90, "step": 0.000001 }, { "id": "longitude", "label": "Longitude (degrees; east positive)", "type": "number", "required": true, "defaultValue": -71.0589, "min": -180, "max": 180, "step": 0.000001 }, { "id": "utcOffset", "label": "UTC offset (hours)", "type": "number", "required": true, "defaultValue": -4, "min": -14, "max": 14, "step": 0.25 } ], "outputs": [ { "id": "sunrise", "label": "Sunrise", "format": "text", "primary": true }, { "id": "sunset", "label": "Sunset", "format": "text" }, { "id": "solarNoon", "label": "Solar noon", "format": "text" }, { "id": "dayLength", "label": "Day length", "format": "text" }, { "id": "status", "label": "Solar status", "format": "text" } ], "formula": { "expression": "sunrise and sunset use the NOAA solar-position approximation with zenith 90.833°" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "date": "2026-09-01", "latitude": 42.3601, "longitude": -71.0589, "utcOffset": -4 } } ], "sources": [] }, { "id": "time-and-date-difference-calculator", "version": "1.0.0", "name": "Time and Date Difference Calculator", "shortName": "Time and Date Difference", "description": "Calculate signed elapsed time between two dates and clock times.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "time", "and", "date", "difference", "calculator", "time and date difference calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/time-and-date-difference-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/time-and-date-difference-calculator/", "definition": "/calculator/time-and-date-difference-calculator/definition.json", "schema": "/calculator/time-and-date-difference-calculator/schema.json", "llms": "/calculator/time-and-date-difference-calculator/llms.txt", "legacyDefinition": "/calculator/time-and-date-difference-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/time-and-date-difference-calculator/?startDate=2026-09-01&startTime=09%3A00&endDate=2026-09-03&endTime=17%3A30", "queryParameters": { "startDate": { "label": "Start date", "type": "date", "required": true, "default": "2026-09-01" }, "startTime": { "label": "Start time", "type": "time", "required": true, "default": "09:00" }, "endDate": { "label": "End date", "type": "date", "required": true, "default": "2026-09-03" }, "endTime": { "label": "End time", "type": "time", "required": true, "default": "17:30" } }, "inputs": [ { "id": "startDate", "label": "Start date", "type": "date", "required": true, "defaultValue": "2026-09-01" }, { "id": "startTime", "label": "Start time", "type": "time", "required": true, "defaultValue": "09:00" }, { "id": "endDate", "label": "End date", "type": "date", "required": true, "defaultValue": "2026-09-03" }, { "id": "endTime", "label": "End time", "type": "time", "required": true, "defaultValue": "17:30" } ], "outputs": [ { "id": "duration", "label": "Elapsed duration", "format": "text", "primary": true }, { "id": "totalDays", "label": "Total days", "format": "number", "digits": 8 }, { "id": "totalHours", "label": "Total hours", "format": "number", "digits": 6 }, { "id": "totalMinutes", "label": "Total minutes", "format": "number", "digits": 3 }, { "id": "totalSeconds", "label": "Total seconds", "format": "integer" } ], "formula": { "expression": "elapsed milliseconds = end date-time − start date-time" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startDate": "2026-09-01", "startTime": "09:00", "endDate": "2026-09-03", "endTime": "17:30" } } ], "sources": [] }, { "id": "time-calculator", "version": "7.0.0", "name": "Time Arithmetic", "shortName": "Time Arithmetic", "description": "Quickly add or subtract time values using a 24-hour clock format.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "time" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/time-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/time-calculator/", "definition": "/calculator/time-calculator/definition.json", "schema": "/calculator/time-calculator/schema.json", "llms": "/calculator/time-calculator/llms.txt", "legacyDefinition": "/calculator/time-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/time-calculator/?time1=12%3A00&time2=01%3A30&operation=%2B", "queryParameters": { "time1": { "label": "Initial Time (HH:MM)", "type": "time", "required": false, "default": "12:00" }, "time2": { "label": "Interval to Change", "type": "time", "required": false, "default": "01:30" }, "operation": { "label": "Operation", "type": "select", "required": false, "default": "+" } }, "inputs": [ { "id": "time1", "label": "Initial Time (HH:MM)", "type": "time", "defaultValue": "12:00" }, { "id": "time2", "label": "Interval to Change", "type": "time", "defaultValue": "01:30" }, { "id": "operation", "label": "Operation", "type": "select", "defaultValue": "+" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Times are converted to seconds, added or subtracted, then normalized back to hours, minutes, and seconds." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "time1": "12:00", "time2": "01:30", "operation": "+" } } ], "sources": [] }, { "id": "time-conversion-calculator", "version": "1.0.0", "name": "Time Conversion Calculator", "shortName": "Time Conversion", "description": "Convert time intervals between subsecond, second, minute, hour, day, week, month, and year units.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "time", "conversion", "calculator", "time conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/time-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/time-conversion-calculator/", "definition": "/calculator/time-conversion-calculator/definition.json", "schema": "/calculator/time-conversion-calculator/schema.json", "llms": "/calculator/time-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/time-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/time-conversion-calculator/?value=1&fromUnit=day&toUnit=h", "queryParameters": { "value": { "label": "Time value", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "day" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "h" } }, "inputs": [ { "id": "value", "label": "Time value", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "day", "options": [ { "label": "Nanosecond", "value": "ns" }, { "label": "Microsecond", "value": "us" }, { "label": "Millisecond", "value": "ms" }, { "label": "Second", "value": "s" }, { "label": "Minute", "value": "min" }, { "label": "Hour", "value": "h" }, { "label": "Day", "value": "day" }, { "label": "Week", "value": "week" }, { "label": "Average month", "value": "month" }, { "label": "Average Gregorian year", "value": "year" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "h", "options": [ { "label": "Nanosecond", "value": "ns" }, { "label": "Microsecond", "value": "us" }, { "label": "Millisecond", "value": "ms" }, { "label": "Second", "value": "s" }, { "label": "Minute", "value": "min" }, { "label": "Hour", "value": "h" }, { "label": "Day", "value": "day" }, { "label": "Week", "value": "week" }, { "label": "Average month", "value": "month" }, { "label": "Average Gregorian year", "value": "year" } ] } ], "outputs": [ { "id": "result", "label": "Converted time", "format": "number", "primary": true, "digits": 12 }, { "id": "seconds", "label": "Equivalent seconds", "format": "number", "digits": 8 } ], "formula": { "expression": "seconds = value × seconds-per-source-unit; result = seconds ÷ seconds-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "day", "toUnit": "h" } } ], "sources": [] }, { "id": "time-duration-calculator", "version": "1.0.0", "name": "Time Duration Calculator", "shortName": "Time duration", "description": "Calculate elapsed time between two clock times, including an optional next day.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "hours between times", "elapsed time", "work duration", "overnight time" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/time-duration-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/time-duration-calculator/", "definition": "/calculator/time-duration-calculator/definition.json", "schema": "/calculator/time-duration-calculator/schema.json", "llms": "/calculator/time-duration-calculator/llms.txt", "legacyDefinition": "/calculator/time-duration-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/time-duration-calculator/?startTime=09%3A00&endTime=17%3A30&nextDay=0", "queryParameters": { "startTime": { "label": "Start time", "type": "time", "required": true, "default": "09:00" }, "endTime": { "label": "End time", "type": "time", "required": true, "default": "17:30" }, "nextDay": { "label": "End time is on the next day", "type": "checkbox", "required": false, "default": false } }, "inputs": [ { "id": "startTime", "label": "Start time", "type": "time", "required": true, "defaultValue": "09:00", "width": "half" }, { "id": "endTime", "label": "End time", "type": "time", "required": true, "defaultValue": "17:30", "width": "half" }, { "id": "nextDay", "label": "End time is on the next day", "type": "checkbox", "defaultValue": false, "width": "full" } ], "outputs": [ { "id": "duration", "label": "Duration", "format": "text", "primary": true }, { "id": "totalMinutes", "label": "Total minutes", "format": "number" }, { "id": "decimalHours", "label": "Decimal hours", "format": "number", "digits": 2 }, { "id": "totalSeconds", "label": "Total seconds", "format": "integer" } ], "formula": { "expression": "Duration = end clock time − start clock time (+ 24 hours when next day is selected)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startTime": "09:00", "endTime": "17:30", "nextDay": false } } ], "sources": [] }, { "id": "time-card-calculator", "version": "7.0.0", "name": "Weekly Time Card", "shortName": "Weekly Time Card", "description": "Track your weekly work hours, breaks, and estimated earnings accurately.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "time", "card" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/time-card-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/time-card-calculator/", "definition": "/calculator/time-card-calculator/definition.json", "schema": "/calculator/time-card-calculator/schema.json", "llms": "/calculator/time-card-calculator/llms.txt", "legacyDefinition": "/calculator/time-card-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/time-card-calculator/?hourlyRate=25", "queryParameters": { "in": { "label": "In", "type": "time", "required": false }, "out": { "label": "Out", "type": "time", "required": false }, "break": { "label": "Break", "type": "number", "required": false }, "hourlyRate": { "label": "Hourly Rate ($)", "type": "number", "required": false, "default": 25 } }, "inputs": [ { "id": "in", "label": "In", "type": "time" }, { "id": "out", "label": "Out", "type": "time" }, { "id": "break", "label": "Break", "type": "number" }, { "id": "hourlyRate", "label": "Hourly Rate ($)", "type": "number", "defaultValue": 25 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Daily work time = clock-out − clock-in − break; weekly total is the sum of daily hours and overtime is separated after the entered threshold." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "hourlyRate": 25 } } ], "sources": [] }, { "id": "work-hours-calculator", "version": "7.0.0", "name": "Work Hours Calculator", "shortName": "Work Hours", "description": "Calculate daily billable hours and total pay for a shift.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "work", "hours" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/work-hours-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/work-hours-calculator/", "definition": "/calculator/work-hours-calculator/definition.json", "schema": "/calculator/work-hours-calculator/schema.json", "llms": "/calculator/work-hours-calculator/llms.txt", "legacyDefinition": "/calculator/work-hours-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/work-hours-calculator/?startTime=09%3A00&endTime=17%3A00&breakDuration=30&hourlyRate=25", "queryParameters": { "startTime": { "label": "Start Time", "type": "time", "required": false, "default": "09:00" }, "endTime": { "label": "End Time", "type": "time", "required": false, "default": "17:00" }, "breakDuration": { "label": "Unpaid Break (Minutes)", "type": "number", "required": false, "default": 30 }, "hourlyRate": { "label": "Hourly Rate ($)", "type": "number", "required": false, "default": 25 } }, "inputs": [ { "id": "startTime", "label": "Start Time", "type": "time", "defaultValue": "09:00" }, { "id": "endTime", "label": "End Time", "type": "time", "defaultValue": "17:00" }, { "id": "breakDuration", "label": "Unpaid Break (Minutes)", "type": "number", "defaultValue": 30 }, { "id": "hourlyRate", "label": "Hourly Rate ($)", "type": "number", "defaultValue": 25 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Net work hours = workdays × daily hours − unpaid breaks and excluded days." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startTime": "09:00", "endTime": "17:00", "breakDuration": 30, "hourlyRate": 25 } } ], "sources": [] }, { "id": "time-zone-calculator", "version": "7.0.0", "name": "World Time Converter", "shortName": "World Time", "description": "Quickly convert your local time to any major global time zone.", "category": "Date & Time", "categorySlug": "date-time", "keywords": [ "time", "zone" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/time-zone-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/time-zone-calculator/", "definition": "/calculator/time-zone-calculator/definition.json", "schema": "/calculator/time-zone-calculator/schema.json", "llms": "/calculator/time-zone-calculator/llms.txt", "legacyDefinition": "/calculator/time-zone-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/time-zone-calculator/?targetZone=UTC", "queryParameters": { "localTime": { "label": "Your Local Time", "type": "time", "required": false }, "targetZone": { "label": "Target Zone", "type": "text", "required": false, "default": "UTC" } }, "inputs": [ { "id": "localTime", "label": "Your Local Time", "type": "time" }, { "id": "targetZone", "label": "Target Zone", "type": "text", "defaultValue": "UTC" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The entered local time is converted to UTC with the source offset, then shifted by the target offset." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "targetZone": "UTC" } } ], "sources": [] }, { "id": "btu-calculator", "version": "7.0.0", "name": "BTU Calculator", "shortName": "BTU", "description": "Estimate BTU requirement for heating or cooling a room.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "btu" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/btu-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "General sizing estimate. Equipment selection should account for local climate, construction, ventilation, and a professional load calculation.", "urls": { "page": "/calculator/btu-calculator/", "definition": "/calculator/btu-calculator/definition.json", "schema": "/calculator/btu-calculator/schema.json", "llms": "/calculator/btu-calculator/llms.txt", "legacyDefinition": "/calculator/btu-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/btu-calculator/?length=20&width=15&ceilingHeight=8&insulation=average&sunExposure=average", "queryParameters": { "length": { "label": "Length (ft)", "type": "number", "required": false, "default": 20 }, "width": { "label": "Width (ft)", "type": "number", "required": false, "default": 15 }, "ceilingHeight": { "label": "Ceiling Height (ft)", "type": "number", "required": false, "default": 8 }, "insulation": { "label": "Insulation", "type": "text", "required": false, "default": "average" }, "sunExposure": { "label": "Sun Exposure", "type": "text", "required": false, "default": "average" } }, "inputs": [ { "id": "length", "label": "Length (ft)", "type": "number", "defaultValue": 20 }, { "id": "width", "label": "Width (ft)", "type": "number", "defaultValue": 15 }, { "id": "ceilingHeight", "label": "Ceiling Height (ft)", "type": "number", "defaultValue": 8 }, { "id": "insulation", "label": "Insulation", "type": "text", "defaultValue": "average" }, { "id": "sunExposure", "label": "Sun Exposure", "type": "text", "defaultValue": "average" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Heating/cooling capacity is estimated from room volume, temperature difference, insulation factor, occupancy, and selected adjustments.", "note": "General sizing estimate. Equipment selection should account for local climate, construction, ventilation, and a professional load calculation." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "length": 20, "width": 15, "ceilingHeight": 8, "insulation": "average", "sunExposure": "average" } } ], "sources": [] }, { "id": "concrete-calculator", "version": "20.1.0", "name": "Concrete Calculator", "shortName": "Concrete", "description": "Estimate concrete quantities, explicit waste, supplier bag yields and optional material/labor cost.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "concrete yards", "concrete bags", "slab volume", "cubic yards" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/concrete-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "20.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/concrete-calculator/", "definition": "/calculator/concrete-calculator/definition.json", "schema": "/calculator/concrete-calculator/schema.json", "llms": "/calculator/concrete-calculator/llms.txt", "legacyDefinition": "/calculator/concrete-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/concrete-calculator/?length=20&width=10&depthInches=4&quantity=1&wastePercent=0&yield60=0.45&yield80=0.6&unitCost=0&laborCost=0&minimumOrderYards=0&orderIncrementYards=0&deliveryCost=0", "queryParameters": { "length": { "label": "Length", "type": "number", "required": true, "default": 20 }, "width": { "label": "Width", "type": "number", "required": true, "default": 10 }, "depthInches": { "label": "Depth", "type": "number", "required": true, "default": 4 }, "quantity": { "label": "Number of equal pours", "type": "number", "required": true, "default": 1 }, "wastePercent": { "label": "Waste allowance", "type": "number", "required": false, "default": 0 }, "yield60": { "label": "Yield per 60 lb bag", "type": "number", "required": false, "default": 0.45 }, "yield80": { "label": "Yield per 80 lb bag", "type": "number", "required": false, "default": 0.6 }, "unitCost": { "label": "Ready-mix cost per cubic yard", "type": "number", "required": false, "default": 0 }, "laborCost": { "label": "Total labor cost", "type": "number", "required": false, "default": 0 }, "minimumOrderYards": { "label": "Supplier minimum order", "type": "number", "required": false, "default": 0 }, "orderIncrementYards": { "label": "Supplier order increment (0 = none)", "type": "number", "required": false, "default": 0 }, "deliveryCost": { "label": "Delivery allowance", "type": "number", "required": false, "default": 0 } }, "inputs": [ { "id": "length", "label": "Length", "type": "number", "required": true, "defaultValue": 20, "min": 0, "step": 0.1, "suffix": " ft", "width": "half" }, { "id": "width", "label": "Width", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.1, "suffix": " ft", "width": "half" }, { "id": "depthInches", "label": "Depth", "type": "number", "required": true, "defaultValue": 4, "min": 0, "step": 0.1, "suffix": " in", "width": "half" }, { "id": "quantity", "label": "Number of equal pours", "type": "number", "required": true, "defaultValue": 1, "min": 1, "max": 100000, "step": 1, "width": "half" }, { "id": "wastePercent", "label": "Waste allowance", "type": "number", "defaultValue": 0, "min": 0, "step": 0.01, "suffix": " %", "width": "half" }, { "id": "yield60", "label": "Yield per 60 lb bag", "type": "number", "defaultValue": 0.45, "min": 0, "step": 0.01, "suffix": " ft³", "width": "half" }, { "id": "yield80", "label": "Yield per 80 lb bag", "type": "number", "defaultValue": 0.6, "min": 0, "step": 0.01, "suffix": " ft³", "width": "half" }, { "id": "unitCost", "label": "Ready-mix cost per cubic yard", "type": "number", "defaultValue": 0, "min": 0, "step": 0.01, "suffix": " $/yd³", "width": "half" }, { "id": "laborCost", "label": "Total labor cost", "type": "number", "defaultValue": 0, "min": 0, "step": 0.01, "suffix": " $", "width": "half" }, { "id": "minimumOrderYards", "label": "Supplier minimum order", "type": "number", "defaultValue": 0, "min": 0, "step": 0.01, "width": "half", "suffix": " yd³" }, { "id": "orderIncrementYards", "label": "Supplier order increment (0 = none)", "type": "number", "defaultValue": 0, "min": 0, "step": 0.01, "width": "half", "suffix": " yd³" }, { "id": "deliveryCost", "label": "Delivery allowance", "type": "number", "defaultValue": 0, "min": 0, "step": 0.01, "width": "half", "suffix": "" } ], "outputs": [ { "id": "cubicYards", "label": "Concrete volume", "format": "number", "digits": 3, "suffix": " yd³", "primary": true }, { "id": "cubicFeet", "label": "Cubic feet", "format": "number", "digits": 2, "suffix": " ft³" }, { "id": "allowanceCubicYards", "label": "Volume including waste, before supplier rounding", "format": "number" }, { "id": "bags60", "label": "60 lb bags", "format": "integer" }, { "id": "bags80", "label": "80 lb bags", "format": "integer" }, { "id": "orderCubicYards", "label": "Volume including waste", "format": "number", "suffix": " yd³" }, { "id": "materialCost", "label": "Ready-mix material estimate", "format": "currency" }, { "id": "estimatedTotal", "label": "Material plus labor estimate", "format": "currency" } ], "formula": { "expression": "Net ft³ = length × width × depthInches/12 × quantity; order yd³ = net ft³ × (1 + wastePercent/100) / 27; bags = ceil(order ft³ / supplier yield); estimate = order yd³ × price per yd³ + labor.", "note": "Net volume, allowance and supplier-rounded order are distinct. Bag counts are purchasing alternatives. Zero prices mean unpriced; no live pricing or structural design." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "length": 20, "width": 10, "depthInches": 4, "quantity": 1, "wastePercent": 0, "yield60": 0.45, "yield80": 0.6, "unitCost": 0, "laborCost": 0, "minimumOrderYards": 0, "orderIncrementYards": 0, "deliveryCost": 0 } } ], "sources": [ { "label": "NIST: SI conversion factors", "url": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8" }, { "label": "OpenStax Prealgebra: geometry and measurement reference", "url": "https://openstax.org/details/books/prealgebra-2e" } ] }, { "id": "gravel-calculator", "version": "7.0.0", "name": "Gravel Calculator", "shortName": "Gravel", "description": "Estimate the amount of gravel needed for your driveway, path, or landscaping project.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "gravel" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gravel-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/gravel-calculator/", "definition": "/calculator/gravel-calculator/definition.json", "schema": "/calculator/gravel-calculator/schema.json", "llms": "/calculator/gravel-calculator/llms.txt", "legacyDefinition": "/calculator/gravel-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gravel-calculator/?length=20&width=10&depth=4", "queryParameters": { "length": { "label": "Length (ft)", "type": "number", "required": false, "default": 20 }, "width": { "label": "Width (ft)", "type": "number", "required": false, "default": 10 }, "depth": { "label": "Depth (inches)", "type": "number", "required": false, "default": 4 } }, "inputs": [ { "id": "length", "label": "Length (ft)", "type": "number", "defaultValue": 20 }, { "id": "width", "label": "Width (ft)", "type": "number", "defaultValue": 10 }, { "id": "depth", "label": "Depth (inches)", "type": "number", "defaultValue": 4 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Volume = area × depth; estimated weight = volume × selected gravel density." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "length": 20, "width": 10, "depth": 4 } } ], "sources": [] }, { "id": "mulch-calculator", "version": "7.0.0", "name": "Mulch Calculator", "shortName": "Mulch", "description": "Estimate the volume of mulch or soil needed for your garden beds and landscaping projects.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "mulch" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mulch-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mulch-calculator/", "definition": "/calculator/mulch-calculator/definition.json", "schema": "/calculator/mulch-calculator/schema.json", "llms": "/calculator/mulch-calculator/llms.txt", "legacyDefinition": "/calculator/mulch-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mulch-calculator/?length=10&width=5&depth=3", "queryParameters": { "length": { "label": "Length (ft)", "type": "number", "required": false, "default": 10 }, "width": { "label": "Width (ft)", "type": "number", "required": false, "default": 5 }, "depth": { "label": "Target Depth (inches)", "type": "number", "required": false, "default": 3 } }, "inputs": [ { "id": "length", "label": "Length (ft)", "type": "number", "defaultValue": 10 }, { "id": "width", "label": "Width (ft)", "type": "number", "defaultValue": 5 }, { "id": "depth", "label": "Target Depth (inches)", "type": "number", "defaultValue": 3 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Volume = area × depth; the result converts cubic feet to cubic yards." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "length": 10, "width": 5, "depth": 3 } } ], "sources": [] }, { "id": "paint-calculator", "version": "1.0.0", "name": "Paint Calculator", "shortName": "Paint", "description": "Estimate paint quantity from wall area, openings, coats, coverage, and waste allowance.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "paint", "calculator", "paint calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/paint-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "This is a planning estimate. Product coverage and surface conditions can materially change actual paint use.", "urls": { "page": "/calculator/paint-calculator/", "definition": "/calculator/paint-calculator/definition.json", "schema": "/calculator/paint-calculator/schema.json", "llms": "/calculator/paint-calculator/llms.txt", "legacyDefinition": "/calculator/paint-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/paint-calculator/?roomLength=15&roomWidth=12&wallHeight=8&openingsArea=40&coats=2&coverage=350&wastePercent=10", "queryParameters": { "roomLength": { "label": "Room length", "type": "number", "required": true, "default": 15 }, "roomWidth": { "label": "Room width", "type": "number", "required": true, "default": 12 }, "wallHeight": { "label": "Wall height", "type": "number", "required": true, "default": 8 }, "openingsArea": { "label": "Doors and windows area", "type": "number", "required": true, "default": 40 }, "coats": { "label": "Number of coats", "type": "number", "required": true, "default": 2 }, "coverage": { "label": "Coverage per gallon (ft²)", "type": "number", "required": true, "default": 350 }, "wastePercent": { "label": "Waste allowance", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "roomLength", "label": "Room length", "type": "number", "required": true, "defaultValue": 15, "min": 0, "step": 0.01 }, { "id": "roomWidth", "label": "Room width", "type": "number", "required": true, "defaultValue": 12, "min": 0, "step": 0.01 }, { "id": "wallHeight", "label": "Wall height", "type": "number", "required": true, "defaultValue": 8, "min": 0, "step": 0.01 }, { "id": "openingsArea", "label": "Doors and windows area", "type": "number", "required": true, "defaultValue": 40, "min": 0, "step": 0.01 }, { "id": "coats", "label": "Number of coats", "type": "number", "required": true, "defaultValue": 2, "min": 1, "step": 1 }, { "id": "coverage", "label": "Coverage per gallon (ft²)", "type": "number", "required": true, "defaultValue": 350, "min": 0.000001, "step": 1 }, { "id": "wastePercent", "label": "Waste allowance", "type": "number", "required": true, "defaultValue": 10, "min": 0, "max": 100, "step": 0.1, "suffix": "%" } ], "outputs": [ { "id": "gallons", "label": "Paint required (gallons)", "format": "number", "primary": true, "digits": 2 }, { "id": "gallonsToBuy", "label": "Whole gallons to buy", "format": "integer" }, { "id": "paintArea", "label": "Coated area (ft²)", "format": "number", "digits": 2 }, { "id": "netWallArea", "label": "Net wall area (ft²)", "format": "number", "digits": 2 } ], "formula": { "expression": "paint = [perimeter × height − openings] × coats × (1 + waste%) ÷ coverage" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "roomLength": 15, "roomWidth": 12, "wallHeight": 8, "openingsArea": 40, "coats": 2, "coverage": 350, "wastePercent": 10 } } ], "sources": [] }, { "id": "roofing-calculator", "version": "7.0.0", "name": "Roofing Material", "shortName": "Roofing Material", "description": "Estimate the required amount of roofing 'squares' and shingle bundles based on footprint area and roof pitch.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "roofing" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/roofing-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/roofing-calculator/", "definition": "/calculator/roofing-calculator/definition.json", "schema": "/calculator/roofing-calculator/schema.json", "llms": "/calculator/roofing-calculator/llms.txt", "legacyDefinition": "/calculator/roofing-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/roofing-calculator/?area=2000&pitch=4", "queryParameters": { "area": { "label": "Total Footprint (sq ft)", "type": "number", "required": false, "default": 2000 }, "pitch": { "label": "Roof Pitch (rise per 12ft)", "type": "number", "required": false, "default": 4 } }, "inputs": [ { "id": "area", "label": "Total Footprint (sq ft)", "type": "number", "defaultValue": 2000 }, { "id": "pitch", "label": "Roof Pitch (rise per 12ft)", "type": "number", "defaultValue": 4 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Roof area = footprint area × pitch factor; required squares = roof area × waste factor ÷ 100 square feet." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "area": 2000, "pitch": 4 } } ], "sources": [] }, { "id": "square-footage-calculator", "version": "1.0.0", "name": "Square Footage Calculator", "shortName": "Square footage", "description": "Calculate area for repeated rectangular spaces in square feet, yards, and acres.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "room area", "floor area", "square feet", "acres" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/square-footage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/square-footage-calculator/", "definition": "/calculator/square-footage-calculator/definition.json", "schema": "/calculator/square-footage-calculator/schema.json", "llms": "/calculator/square-footage-calculator/llms.txt", "legacyDefinition": "/calculator/square-footage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/square-footage-calculator/?length=12&width=10&quantity=1", "queryParameters": { "length": { "label": "Length", "type": "number", "required": true, "default": 12 }, "width": { "label": "Width", "type": "number", "required": true, "default": 10 }, "quantity": { "label": "Number of equal areas", "type": "number", "required": true, "default": 1 } }, "inputs": [ { "id": "length", "label": "Length", "type": "number", "required": true, "defaultValue": 12, "min": 0, "step": 0.01, "suffix": " ft", "width": "half" }, { "id": "width", "label": "Width", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.01, "suffix": " ft", "width": "half" }, { "id": "quantity", "label": "Number of equal areas", "type": "number", "required": true, "defaultValue": 1, "min": 1, "max": 1000000, "step": 1, "width": "full" } ], "outputs": [ { "id": "totalSquareFeet", "label": "Total square feet", "format": "number", "primary": true }, { "id": "singleArea", "label": "Area each", "format": "number" }, { "id": "squareYards", "label": "Square yards", "format": "number" }, { "id": "acres", "label": "Acres", "format": "number", "digits": 6 } ], "formula": { "expression": "Total square feet = length × width × quantity" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "length": 12, "width": 10, "quantity": 1 } } ], "sources": [ { "label": "NIST: SI conversion factors", "url": "https://www.nist.gov/pml/special-publication-811/nist-guide-si-appendix-b-conversion-factors/nist-guide-si-appendix-b8" }, { "label": "OpenStax Prealgebra: geometry and measurement reference", "url": "https://openstax.org/details/books/prealgebra-2e" } ] }, { "id": "stair-calculator", "version": "7.0.0", "name": "Stair Calculator", "shortName": "Stair", "description": "Determine the riser height, number of steps, and total run for a stair stringer.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "stair" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/stair-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/stair-calculator/", "definition": "/calculator/stair-calculator/definition.json", "schema": "/calculator/stair-calculator/schema.json", "llms": "/calculator/stair-calculator/llms.txt", "legacyDefinition": "/calculator/stair-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/stair-calculator/?totalRise=108&targetRise=7", "queryParameters": { "totalRise": { "label": "Total Rise (Floor to Floor, inches)", "type": "number", "required": false, "default": 108 }, "targetRise": { "label": "Target Riser Height (e.g., 7 inches)", "type": "number", "required": false, "default": 7 } }, "inputs": [ { "id": "totalRise", "label": "Total Rise (Floor to Floor, inches)", "type": "number", "defaultValue": 108 }, { "id": "targetRise", "label": "Target Riser Height (e.g., 7 inches)", "type": "number", "defaultValue": 7 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Riser count = rounded total rise ÷ target riser height; actual riser = total rise ÷ riser count; tread/run values follow the selected stair geometry." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "totalRise": 108, "targetRise": 7 } } ], "sources": [] }, { "id": "tile-calculator", "version": "7.0.0", "name": "Tile Calculator", "shortName": "Tile", "description": "Determine the number of tiles needed for your flooring project, including a waste factor.", "category": "Home & Construction", "categorySlug": "home-construction", "keywords": [ "tile" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/tile-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; 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consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/acceleration-calculator/", "definition": "/calculator/acceleration-calculator/definition.json", "schema": "/calculator/acceleration-calculator/schema.json", "llms": "/calculator/acceleration-calculator/llms.txt", "legacyDefinition": "/calculator/acceleration-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/acceleration-calculator/?startVel=0&endVel=27.78&time=5", "queryParameters": { "startVel": { "label": "Initial Velocity (m/s)", "type": "number", "required": false, "default": 0 }, "endVel": { "label": "Final Velocity (m/s)", "type": "number", "required": false, "default": 27.78 }, "time": { "label": "Time Taken (s)", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "startVel", "label": "Initial Velocity (m/s)", "type": "number", "defaultValue": 0 }, { "id": "endVel", "label": "Final Velocity (m/s)", "type": "number", "defaultValue": 27.78 }, { "id": "time", "label": "Time Taken (s)", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Average acceleration = (final velocity − initial velocity) ÷ elapsed time." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startVel": 0, "endVel": 27.78, "time": 5 } } ], "sources": [] }, { "id": "density-calculator", "version": "1.0.0", "name": "Density Calculator", "shortName": "Density", "description": "Calculate density in kilograms per cubic meter and grams per cubic centimeter.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "mass volume density", "kg per cubic meter", "specific volume", "g per cm3" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/density-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; 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specific volume = volume ÷ mass" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "massKg": 1000, "volumeM3": 1 } } ], "sources": [] }, { "id": "dew-point-calculator", "version": "7.0.0", "name": "Dew Point Calculator", "shortName": "Dew Point", "description": "Calculate the dew point temperature from current air temperature and relative humidity.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "dew", "point" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/dew-point-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; 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consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/", "definition": "/calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/definition.json", "schema": "/calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/schema.json", "llms": "/calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/llms.txt", "legacyDefinition": "/calculator/displacement-as-a-function-of-average-velocity-and-time-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/?solveFor=displacement&displacement=100&velocity=10&time=10", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "displacement" }, "displacement": { "label": "Displacement (m)", "type": "number", "required": true, "default": 100 }, "velocity": { "label": "Average velocity (m/s)", "type": "number", "required": true, "default": 10 }, "time": { "label": "Time (s)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "displacement", "options": [ { "label": "Displacement (s)", "value": "displacement" }, { "label": "Average velocity (v̄)", "value": "velocity" }, { "label": "Time (t)", "value": "time" } ] }, { "id": "displacement", "label": "Displacement (m)", "type": "number", "required": true, "defaultValue": 100, "step": 0.001 }, { "id": "velocity", "label": "Average velocity (m/s)", "type": "number", "required": true, "defaultValue": 10, "step": 0.001 }, { "id": "time", "label": "Time (s)", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" }, { "id": "equation", "label": "Equation used", "format": "text" } ], "formula": { "expression": "s = v̄ × t; v̄ = s ÷ t; t = s ÷ v̄" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "displacement", "displacement": 100, "velocity": 10, "time": 10 } } ], "sources": [] }, { "id": "displacement-as-a-function-of-velocity-and-time-calculator", "version": "1.0.0", "name": "Displacement as a Function of Velocity and Time Calculator", "shortName": "Displacement as a Function of Velocity and", "description": "Calculate displacement from initial velocity, final velocity, and elapsed time.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "displacement", "as", "a", "function", "of", "velocity", "and", "time", "calculator", "displacement as a function of velocity and time calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/displacement-as-a-function-of-velocity-and-time-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; 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consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/", "definition": "/calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/definition.json", "schema": "/calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/schema.json", "llms": "/calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/llms.txt", "legacyDefinition": "/calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/?initialVelocity=5&acceleration=2&time=10", "queryParameters": { "initialVelocity": { "label": "Initial velocity u (m/s)", "type": "number", "required": true, "default": 5 }, "acceleration": { "label": "Acceleration a (m/s²)", "type": "number", "required": true, "default": 2 }, "time": { "label": "Time t (s)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "initialVelocity", "label": "Initial velocity u (m/s)", "type": "number", "required": true, "defaultValue": 5, "step": 0.001 }, { "id": "acceleration", "label": "Acceleration a (m/s²)", "type": "number", "required": true, "defaultValue": 2, "step": 0.001 }, { "id": "time", "label": "Time t (s)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "displacement", "label": "Displacement s (m)", "format": "number", "primary": true, "digits": 8 }, { "id": "finalVelocity", "label": "Final velocity v (m/s)", "format": "number", "digits": 8 } ], "formula": { "expression": "s = ut + ½at²" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initialVelocity": 5, "acceleration": 2, "time": 10 } } ], "sources": [] }, { "id": "e-mc2-calculator", "version": "1.0.0", "name": "E = mc² Calculator", "shortName": "E = mc²", "description": "Convert mass to rest energy with Einstein’s mass-energy equivalence.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "e", "mc", "calculator", "e mc2 calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/e-mc2-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/e-mc2-calculator/", "definition": "/calculator/e-mc2-calculator/definition.json", "schema": "/calculator/e-mc2-calculator/schema.json", "llms": "/calculator/e-mc2-calculator/llms.txt", "legacyDefinition": "/calculator/e-mc2-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/e-mc2-calculator/?mass=1", "queryParameters": { "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 1 } }, "inputs": [ { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 0.000001 } ], "outputs": [ { "id": "energy", "label": "Energy (joules)", "format": "number", "primary": true, "digits": 4 }, { "id": "kilowattHours", "label": "Energy (kWh)", "format": "number", "digits": 4 }, { "id": "tntEquivalent", "label": "TNT equivalent (metric tons)", "format": "number", "digits": 6 } ], "formula": { "expression": "E = mc², where c = 299,792,458 m/s" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mass": 1 } } ], "sources": [] }, { "id": "elastic-potential-energy-calculator", "version": "1.0.0", "name": "Elastic Potential Energy Calculator", "shortName": "Elastic Potential Energy", "description": "Calculate energy stored in a stretched or compressed ideal spring.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "elastic", "potential", "energy", "calculator", "elastic potential energy calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/elastic-potential-energy-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/elastic-potential-energy-calculator/", "definition": "/calculator/elastic-potential-energy-calculator/definition.json", "schema": "/calculator/elastic-potential-energy-calculator/schema.json", "llms": "/calculator/elastic-potential-energy-calculator/llms.txt", "legacyDefinition": "/calculator/elastic-potential-energy-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/elastic-potential-energy-calculator/?springConstant=200&displacement=0.1", "queryParameters": { "springConstant": { "label": "Spring constant k (N/m)", "type": "number", "required": true, "default": 200 }, "displacement": { "label": "Displacement x (m)", "type": "number", "required": true, "default": 0.1 } }, "inputs": [ { "id": "springConstant", "label": "Spring constant k (N/m)", "type": "number", "required": true, "defaultValue": 200, "min": 0, "step": 0.001 }, { "id": "displacement", "label": "Displacement x (m)", "type": "number", "required": true, "defaultValue": 0.1, "step": 0.0001 } ], "outputs": [ { "id": "energy", "label": "Elastic potential energy (J)", "format": "number", "primary": true, "digits": 8 }, { "id": "force", "label": "Spring force magnitude (N)", "format": "number", "digits": 8 } ], "formula": { "expression": "elastic energy U = ½kx²; spring-force magnitude = k|x|" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "springConstant": 200, "displacement": 0.1 } } ], "sources": [] }, { "id": "electricity-calculator", "version": "7.0.0", "name": "Electricity Cost", "shortName": "Electricity Cost", "description": "Estimate the electricity cost of running appliances based on their wattage and usage time.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "electricity" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/electricity-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/electricity-calculator/", "definition": "/calculator/electricity-calculator/definition.json", "schema": "/calculator/electricity-calculator/schema.json", "llms": "/calculator/electricity-calculator/llms.txt", "legacyDefinition": "/calculator/electricity-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/electricity-calculator/?watts=100&hours=5&rate=0.15", "queryParameters": { "watts": { "label": "Power Consumption (Watts)", "type": "number", "required": false, "default": 100 }, "hours": { "label": "Hours Used Per Day", "type": "number", "required": false, "default": 5 }, "rate": { "label": "Cost per kWh ($)", "type": "number", "required": false, "default": 0.15 } }, "inputs": [ { "id": "watts", "label": "Power Consumption (Watts)", "type": "number", "defaultValue": 100 }, { "id": "hours", "label": "Hours Used Per Day", "type": "number", "defaultValue": 5 }, { "id": "rate", "label": "Cost per kWh ($)", "type": "number", "defaultValue": 0.15 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Energy in kWh = power in kW × hours; cost = energy × price per kWh." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "watts": 100, "hours": 5, "rate": 0.15 } } ], "sources": [] }, { "id": "electricity-cost-calculator", "version": "1.0.0", "name": "Electricity Cost Calculator", "shortName": "Electricity cost", "description": "Estimate energy use and electricity cost for one or more devices.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "electric bill", "kwh cost", "appliance power", "energy usage" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/electricity-cost-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/electricity-cost-calculator/", "definition": "/calculator/electricity-cost-calculator/definition.json", "schema": "/calculator/electricity-cost-calculator/schema.json", "llms": "/calculator/electricity-cost-calculator/llms.txt", "legacyDefinition": "/calculator/electricity-cost-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/electricity-cost-calculator/?powerWatts=1000&devices=1&hoursPerDay=4&days=30&ratePerKwh=0.18", "queryParameters": { "powerWatts": { "label": "Power per device", "type": "number", "required": true, "default": 1000 }, "devices": { "label": "Number of devices", "type": "number", "required": true, "default": 1 }, "hoursPerDay": { "label": "Hours used per day", "type": "number", "required": true, "default": 4 }, "days": { "label": "Days", "type": "number", "required": true, "default": 30 }, "ratePerKwh": { "label": "Electricity rate per kWh", "type": "money", "required": true, "default": 0.18 } }, "inputs": [ { "id": "powerWatts", "label": "Power per device", "type": "number", "required": true, "defaultValue": 1000, "min": 0, "step": 1, "suffix": " W", "width": "half" }, { "id": "devices", "label": "Number of devices", "type": "number", "required": true, "defaultValue": 1, "min": 1, "max": 1000000, "step": 1, "width": "half" }, { "id": "hoursPerDay", "label": "Hours used per day", "type": "number", "required": true, "defaultValue": 4, "min": 0, "max": 24, "step": 0.1, "width": "half" }, { "id": "days", "label": "Days", "type": "number", "required": true, "defaultValue": 30, "min": 0, "max": 36500, "step": 1, "width": "half" }, { "id": "ratePerKwh", "label": "Electricity rate per kWh", "type": "money", "required": true, "defaultValue": 0.18, "min": 0, "step": 0.001, "width": "full" } ], "outputs": [ { "id": "totalCost", "label": "Total electricity cost", "format": "currency", "primary": true }, { "id": "energyKwh", "label": "Energy used", "format": "number", "digits": 2, "suffix": " kWh" }, { "id": "dailyCost", "label": "Average daily cost", "format": "currency" }, { "id": "annualizedCost", "label": "Annualized cost at same use", "format": "currency" } ], "formula": { "expression": "Energy (kWh) = watts ÷ 1000 × devices × hours/day × days; cost = energy × rate" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "powerWatts": 1000, "devices": 1, "hoursPerDay": 4, "days": 30, "ratePerKwh": 0.18 } } ], "sources": [] }, { "id": "engine-horsepower-calculator", "version": "7.0.0", "name": "Engine Horsepower", "shortName": "Engine Horsepower", "description": "Estimate peak engine horsepower based on displacement, RPM, and volumetric efficiency.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "engine", "horsepower" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/engine-horsepower-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Rule-of-thumb estimate; actual power depends on volumetric efficiency, fuel, boost, tune, drivetrain loss, and test method.", "urls": { "page": "/calculator/engine-horsepower-calculator/", "definition": "/calculator/engine-horsepower-calculator/definition.json", "schema": "/calculator/engine-horsepower-calculator/schema.json", "llms": "/calculator/engine-horsepower-calculator/llms.txt", "legacyDefinition": "/calculator/engine-horsepower-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/engine-horsepower-calculator/?displacement=5&cylinders=8&rpm=6000&efficiency=0.85", "queryParameters": { "displacement": { "label": "Displacement (L)", "type": "number", "required": false, "default": 5 }, "cylinders": { "label": "Cylinders", "type": "number", "required": false, "default": 8 }, "rpm": { "label": "Peak RPM", "type": "number", "required": false, "default": 6000 }, "efficiency": { "label": "Efficiency (0.7-1.0)", "type": "number", "required": false, "default": 0.85 } }, "inputs": [ { "id": "displacement", "label": "Displacement (L)", "type": "number", "defaultValue": 5 }, { "id": "cylinders", "label": "Cylinders", "type": "number", "defaultValue": 8 }, { "id": "rpm", "label": "Peak RPM", "type": "number", "defaultValue": 6000 }, { "id": "efficiency", "label": "Efficiency (0.7-1.0)", "type": "number", "defaultValue": 0.85 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Estimated horsepower is derived from airflow and the selected rule-of-thumb conversion factor.", "note": "Rule-of-thumb estimate; actual power depends on volumetric efficiency, fuel, boost, tune, drivetrain loss, and test method." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "displacement": 5, "cylinders": 8, "rpm": 6000, "efficiency": 0.85 } } ], "sources": [] }, { "id": "force-calculator", "version": "1.0.0", "name": "Force Calculator", "shortName": "Force", "description": "Calculate net force, mass, or acceleration from Newton’s second law.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "force", "calculator", "force calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/force-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/force-calculator/", "definition": "/calculator/force-calculator/definition.json", "schema": "/calculator/force-calculator/schema.json", "llms": "/calculator/force-calculator/llms.txt", "legacyDefinition": "/calculator/force-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/force-calculator/?solveFor=force&force=20&mass=10&acceleration=2", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "force" }, "force": { "label": "Force (N)", "type": "number", "required": true, "default": 20 }, "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 10 }, "acceleration": { "label": "Acceleration (m/s²)", "type": "number", "required": true, "default": 2 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "force", "options": [ { "label": "Force F", "value": "force" }, { "label": "Mass m", "value": "mass" }, { "label": "Acceleration a", "value": "acceleration" } ] }, { "id": "force", "label": "Force (N)", "type": "number", "required": true, "defaultValue": 20, "step": 0.001 }, { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 }, { "id": "acceleration", "label": "Acceleration (m/s²)", "type": "number", "required": true, "defaultValue": 2, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" }, { "id": "equation", "label": "Equation used", "format": "text" } ], "formula": { "expression": "force F = mass m × acceleration a" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "force", "force": 20, "mass": 10, "acceleration": 2 } } ], "sources": [] }, { "id": "friction-calculator", "version": "1.0.0", "name": "Friction Calculator", "shortName": "Friction", "description": "Calculate friction force from a coefficient of friction and normal force or mass.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "friction", "calculator", "friction calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/friction-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/friction-calculator/", "definition": "/calculator/friction-calculator/definition.json", "schema": "/calculator/friction-calculator/schema.json", "llms": "/calculator/friction-calculator/llms.txt", "legacyDefinition": "/calculator/friction-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/friction-calculator/?normalSource=mass&coefficient=0.3&mass=20&gravity=9.80665&normalForce=196.133", "queryParameters": { "normalSource": { "label": "Normal force input", "type": "select", "required": true, "default": "mass" }, "coefficient": { "label": "Coefficient of friction μ", "type": "number", "required": true, "default": 0.3 }, "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 20 }, "gravity": { "label": "Gravity (m/s²)", "type": "number", "required": true, "default": 9.80665 }, "normalForce": { "label": "Normal force (N)", "type": "number", "required": true, "default": 196.133 } }, "inputs": [ { "id": "normalSource", "label": "Normal force input", "type": "select", "required": true, "defaultValue": "mass", "options": [ { "label": "Use mass on a level surface", "value": "mass" }, { "label": "Enter normal force directly", "value": "normal" } ] }, { "id": "coefficient", "label": "Coefficient of friction μ", "type": "number", "required": true, "defaultValue": 0.3, "min": 0, "step": 0.001 }, { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 20, "min": 0, "step": 0.001 }, { "id": "gravity", "label": "Gravity (m/s²)", "type": "number", "required": true, "defaultValue": 9.80665, "min": 0.000001, "step": 0.00001 }, { "id": "normalForce", "label": "Normal force (N)", "type": "number", "required": true, "defaultValue": 196.133, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "frictionForce", "label": "Friction force (N)", "format": "number", "primary": true, "digits": 8 }, { "id": "normalForceResult", "label": "Normal force used (N)", "format": "number", "digits": 8 } ], "formula": { "expression": "friction force f = μN; on a level surface N = mg" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "normalSource": "mass", "coefficient": 0.3, "mass": 20, "gravity": 9.80665, "normalForce": 196.133 } } ], "sources": [] }, { "id": "gravitational-potential-energy-calculator", "version": "1.0.0", "name": "Gravitational Potential Energy Calculator", "shortName": "Gravitational Potential Energy", "description": "Calculate gravitational potential energy near a planet’s surface.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "gravitational", "potential", "energy", "calculator", "gravitational potential energy calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gravitational-potential-energy-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/gravitational-potential-energy-calculator/", "definition": "/calculator/gravitational-potential-energy-calculator/definition.json", "schema": "/calculator/gravitational-potential-energy-calculator/schema.json", "llms": "/calculator/gravitational-potential-energy-calculator/llms.txt", "legacyDefinition": "/calculator/gravitational-potential-energy-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gravitational-potential-energy-calculator/?mass=10&gravity=9.80665&height=5", "queryParameters": { "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 10 }, "gravity": { "label": "Gravitational acceleration (m/s²)", "type": "number", "required": true, "default": 9.80665 }, "height": { "label": "Height change (m)", "type": "number", "required": true, "default": 5 } }, "inputs": [ { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.001 }, { "id": "gravity", "label": "Gravitational acceleration (m/s²)", "type": "number", "required": true, "defaultValue": 9.80665, "step": 0.00001 }, { "id": "height", "label": "Height change (m)", "type": "number", "required": true, "defaultValue": 5, "step": 0.001 } ], "outputs": [ { "id": "energy", "label": "Potential energy (J)", "format": "number", "primary": true, "digits": 8 }, { "id": "weight", "label": "Weight force (N)", "format": "number", "digits": 8 } ], "formula": { "expression": "gravitational potential energy PE = mass m × gravity g × height h" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mass": 10, "gravity": 9.80665, "height": 5 } } ], "sources": [] }, { "id": "heat-index-calculator", "version": "7.0.0", "name": "Heat Index", "shortName": "Heat Index", "description": "Calculate the 'feels like' temperature by combining air temperature and relative humidity.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "heat", "index" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/heat-index-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/heat-index-calculator/", "definition": "/calculator/heat-index-calculator/definition.json", "schema": "/calculator/heat-index-calculator/schema.json", "llms": "/calculator/heat-index-calculator/llms.txt", "legacyDefinition": "/calculator/heat-index-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/heat-index-calculator/?temp=90&humidity=60", "queryParameters": { "temp": { "label": "Temperature (°F)", "type": "number", "required": false, "default": 90 }, "humidity": { "label": "Relative Humidity (%)", "type": "number", "required": false, "default": 60 } }, "inputs": [ { "id": "temp", "label": "Temperature (°F)", "type": "number", "defaultValue": 90 }, { "id": "humidity", "label": "Relative Humidity (%)", "type": "number", "defaultValue": 60 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Heat index uses the NOAA Rothfusz regression with temperature and relative humidity." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "temp": 90, "humidity": 60 } } ], "sources": [ { "label": "National Weather Service heat index", "url": "https://www.wpc.ncep.noaa.gov/html/heatindex_equation.shtml" } ] }, { "id": "hookes-law-calculator", "version": "1.0.0", "name": "Hooke's Law Calculator", "shortName": "Hooke's Law", "description": "Solve spring force, spring constant, or displacement using Hooke’s law.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "hooke", "s", "law", "calculator", "hookes law calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hookes-law-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/hookes-law-calculator/", "definition": "/calculator/hookes-law-calculator/definition.json", "schema": "/calculator/hookes-law-calculator/schema.json", "llms": "/calculator/hookes-law-calculator/llms.txt", "legacyDefinition": "/calculator/hookes-law-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/hookes-law-calculator/?solveFor=force&force=-20&springConstant=200&displacement=0.1", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "force" }, "force": { "label": "Force F (N)", "type": "number", "required": true, "default": -20 }, "springConstant": { "label": "Spring constant k (N/m)", "type": "number", "required": true, "default": 200 }, "displacement": { "label": "Displacement x (m)", "type": "number", "required": true, "default": 0.1 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "force", "options": [ { "label": "Spring force F", "value": "force" }, { "label": "Spring constant k", "value": "springConstant" }, { "label": "Displacement x", "value": "displacement" } ] }, { "id": "force", "label": "Force F (N)", "type": "number", "required": true, "defaultValue": -20, "step": 0.001 }, { "id": "springConstant", "label": "Spring constant k (N/m)", "type": "number", "required": true, "defaultValue": 200, "min": 0.000001, "step": 0.001 }, { "id": "displacement", "label": "Displacement x (m)", "type": "number", "required": true, "defaultValue": 0.1, "step": 0.0001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" }, { "id": "magnitude", "label": "Magnitude", "format": "number", "digits": 8 } ], "formula": { "expression": "Hooke’s law F = −k × x, with k = −F/x and x = −F/k" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "force", "force": -20, "springConstant": 200, "displacement": 0.1 } } ], "sources": [] }, { "id": "horsepower-calculator", "version": "7.0.0", "name": "Horsepower Calculator", "shortName": "Horsepower", "description": "Determine an engine's mechanical horsepower by providing its torque output and rotational speed (RPM).", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "horsepower" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/horsepower-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/horsepower-calculator/", "definition": "/calculator/horsepower-calculator/definition.json", "schema": "/calculator/horsepower-calculator/schema.json", "llms": "/calculator/horsepower-calculator/llms.txt", "legacyDefinition": "/calculator/horsepower-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/horsepower-calculator/?torque=300&rpm=5252", "queryParameters": { "torque": { "label": "Torque (lb-ft)", "type": "number", "required": false, "default": 300 }, "rpm": { "label": "Rotational Speed (RPM)", "type": "number", "required": false, "default": 5252 } }, "inputs": [ { "id": "torque", "label": "Torque (lb-ft)", "type": "number", "defaultValue": 300 }, { "id": "rpm", "label": "Rotational Speed (RPM)", "type": "number", "defaultValue": 5252 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Horsepower = torque in pound-feet × RPM ÷ 5252." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "torque": 300, "rpm": 5252 } } ], "sources": [] }, { "id": "ideal-gas-law-calculator", "version": "1.0.0", "name": "Ideal Gas Law Calculator", "shortName": "Ideal Gas Law", "description": "Solve pressure, volume, amount, or absolute temperature for an ideal gas in SI units.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "ideal", "gas", "law", "calculator", "ideal gas law calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ideal-gas-law-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; 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consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/impulse-calculator/", "definition": "/calculator/impulse-calculator/definition.json", "schema": "/calculator/impulse-calculator/schema.json", "llms": "/calculator/impulse-calculator/llms.txt", "legacyDefinition": "/calculator/impulse-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/impulse-calculator/?solveFor=impulse&impulse=50&force=100&time=0.5", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "impulse" }, "impulse": { "label": "Impulse (N·s)", "type": "number", "required": true, "default": 50 }, "force": { "label": "Average force (N)", "type": "number", "required": true, "default": 100 }, "time": { "label": "Time interval (s)", "type": "number", "required": true, "default": 0.5 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "impulse", "options": [ { "label": "Impulse J", "value": "impulse" }, { "label": "Average force F", "value": "force" }, { "label": "Time interval Δt", "value": "time" } ] }, { "id": "impulse", "label": "Impulse (N·s)", "type": "number", "required": true, "defaultValue": 50, "step": 0.001 }, { "id": "force", "label": "Average force (N)", "type": "number", "required": true, "defaultValue": 100, "step": 0.001 }, { "id": "time", "label": "Time interval (s)", "type": "number", "required": true, "defaultValue": 0.5, "min": 0.000001, "step": 0.0001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" } ], "formula": { "expression": "impulse J = average force F × time interval Δt" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "impulse", "impulse": 50, "force": 100, "time": 0.5 } } ], "sources": [] }, { "id": "impulse-momentum-calculator", "version": "1.0.0", "name": "Impulse-Momentum Calculator", "shortName": "Impulse-Momentum", "description": "Calculate impulse and momentum change from mass and initial/final velocity.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "impulse", "momentum", "calculator", "impulse momentum calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/impulse-momentum-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/impulse-momentum-calculator/", "definition": "/calculator/impulse-momentum-calculator/definition.json", "schema": "/calculator/impulse-momentum-calculator/schema.json", "llms": "/calculator/impulse-momentum-calculator/llms.txt", "legacyDefinition": "/calculator/impulse-momentum-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/impulse-momentum-calculator/?mass=2&initialVelocity=5&finalVelocity=15&time=0.2", "queryParameters": { "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 2 }, "initialVelocity": { "label": "Initial velocity (m/s)", "type": "number", "required": true, "default": 5 }, "finalVelocity": { "label": "Final velocity (m/s)", "type": "number", "required": true, "default": 15 }, "time": { "label": "Time interval (s)", "type": "number", "required": true, "default": 0.2 } }, "inputs": [ { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 2, "min": 0, "step": 0.001 }, { "id": "initialVelocity", "label": "Initial velocity (m/s)", "type": "number", "required": true, "defaultValue": 5, "step": 0.001 }, { "id": "finalVelocity", "label": "Final velocity (m/s)", "type": "number", "required": true, "defaultValue": 15, "step": 0.001 }, { "id": "time", "label": "Time interval (s)", "type": "number", "required": true, "defaultValue": 0.2, "min": 0.000001, "step": 0.0001 } ], "outputs": [ { "id": "impulse", "label": "Impulse Δp (N·s)", "format": "number", "primary": true, "digits": 8 }, { "id": "initialMomentum", "label": "Initial momentum (kg·m/s)", "format": "number", "digits": 8 }, { "id": "finalMomentum", "label": "Final momentum (kg·m/s)", "format": "number", "digits": 8 }, { "id": "averageForce", "label": "Average force (N)", "format": "number", "digits": 8 } ], "formula": { "expression": "J = Δp = m(vf − vi); average force = J ÷ Δt" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mass": 2, "initialVelocity": 5, "finalVelocity": 15, "time": 0.2 } } ], "sources": [] }, { "id": "kinetic-energy-calculator", "version": "1.0.0", "name": "Kinetic Energy Calculator", "shortName": "Kinetic Energy", "description": "Calculate translational kinetic energy, mass, or speed.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "kinetic", "energy", "calculator", "kinetic energy calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/kinetic-energy-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/kinetic-energy-calculator/", "definition": "/calculator/kinetic-energy-calculator/definition.json", "schema": "/calculator/kinetic-energy-calculator/schema.json", "llms": "/calculator/kinetic-energy-calculator/llms.txt", "legacyDefinition": "/calculator/kinetic-energy-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/kinetic-energy-calculator/?solveFor=energy&energy=100&mass=2&speed=10", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "energy" }, "energy": { "label": "Kinetic energy (J)", "type": "number", "required": true, "default": 100 }, "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 2 }, "speed": { "label": "Speed (m/s)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "energy", "options": [ { "label": "Kinetic energy KE", "value": "energy" }, { "label": "Mass m", "value": "mass" }, { "label": "Speed v", "value": "speed" } ] }, { "id": "energy", "label": "Kinetic energy (J)", "type": "number", "required": true, "defaultValue": 100, "min": 0, "step": 0.001 }, { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.001 }, { "id": "speed", "label": "Speed (m/s)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" } ], "formula": { "expression": "kinetic energy KE = ½ × mass m × speed v²" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "energy", "energy": 100, "mass": 2, "speed": 10 } } ], "sources": [] }, { "id": "mass-calculator", "version": "7.0.0", "name": "Mass Calculator", "shortName": "Mass", "description": "Calculate the total mass of an object based on its density and volume.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "mass" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mass-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mass-calculator/", "definition": "/calculator/mass-calculator/definition.json", "schema": "/calculator/mass-calculator/schema.json", "llms": "/calculator/mass-calculator/llms.txt", "legacyDefinition": "/calculator/mass-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mass-calculator/?density=2.7&volume=100", "queryParameters": { "density": { "label": "Density (g/cm³)", "type": "number", "required": false, "default": 2.7 }, "volume": { "label": "Volume (cm³)", "type": "number", "required": false, "default": 100 } }, "inputs": [ { "id": "density", "label": "Density (g/cm³)", "type": "number", "defaultValue": 2.7 }, { "id": "volume", "label": "Volume (cm³)", "type": "number", "defaultValue": 100 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Mass = density × volume, with unit conversions applied before and after the calculation." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "density": 2.7, "volume": 100 } } ], "sources": [] }, { "id": "molarity-calculator", "version": "7.0.0", "name": "Molarity Calculator", "shortName": "Molarity", "description": "Calculate the molar concentration of a solute in a solution by mass, volume, and molar mass.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "molarity" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/molarity-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/molarity-calculator/", "definition": "/calculator/molarity-calculator/definition.json", "schema": "/calculator/molarity-calculator/schema.json", "llms": "/calculator/molarity-calculator/llms.txt", "legacyDefinition": "/calculator/molarity-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/molarity-calculator/?mass=58.44&volume=1&molWeight=58.44", "queryParameters": { "mass": { "label": "Mass of Solute (g)", "type": "number", "required": false, "default": 58.44 }, "volume": { "label": "Volume of Solution (L)", "type": "number", "required": false, "default": 1 }, "molWeight": { "label": "Molecular Weight (g/mol)", "type": "number", "required": false, "default": 58.44 } }, "inputs": [ { "id": "mass", "label": "Mass of Solute (g)", "type": "number", "defaultValue": 58.44 }, { "id": "volume", "label": "Volume of Solution (L)", "type": "number", "defaultValue": 1 }, { "id": "molWeight", "label": "Molecular Weight (g/mol)", "type": "number", "defaultValue": 58.44 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Molarity = moles of solute ÷ solution volume in liters." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "mass": 58.44, "volume": 1, "molWeight": 58.44 } } ], "sources": [] }, { "id": "molecular-weight-calculator", "version": "7.0.0", "name": "Molecular Weight", "shortName": "Molecular Weight", "description": "Calculate molar mass from a neutral molecular formula, including nested groups and hydrate notation.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "molecular", "weight" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/molecular-weight-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Uses conventional average atomic weights. Isotope-specific masses and ionic charge notation are outside this calculator.", "urls": { "page": "/calculator/molecular-weight-calculator/", "definition": "/calculator/molecular-weight-calculator/definition.json", "schema": "/calculator/molecular-weight-calculator/schema.json", "llms": "/calculator/molecular-weight-calculator/llms.txt", "legacyDefinition": "/calculator/molecular-weight-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/molecular-weight-calculator/?formula=H2O", "queryParameters": { "formula": { "label": "Formula (e.g., H2O, C6H12O6)", "type": "text", "required": false, "default": "H2O" } }, "inputs": [ { "id": "formula", "label": "Formula (e.g., H2O, C6H12O6)", "type": "text", "defaultValue": "H2O" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Molar mass = Σ(standard atomic weight × atom count); group multipliers and hydrate coefficients are expanded before summing." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "formula": "H2O" } } ], "sources": [ { "label": "NIST periodic table and atomic properties", "url": "https://physics.nist.gov/PhysRefData/PerTable/index.html" } ] }, { "id": "momentum-p-mv-calculator", "version": "1.0.0", "name": "Momentum Calculator p = mv", "shortName": "Momentum Calculator p = mv", "description": "Calculate linear momentum, mass, or velocity.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "momentum", "calculator", "p", "mv", "momentum p mv calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/momentum-p-mv-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/momentum-p-mv-calculator/", "definition": "/calculator/momentum-p-mv-calculator/definition.json", "schema": "/calculator/momentum-p-mv-calculator/schema.json", "llms": "/calculator/momentum-p-mv-calculator/llms.txt", "legacyDefinition": "/calculator/momentum-p-mv-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/momentum-p-mv-calculator/?solveFor=momentum&momentum=20&mass=2&velocity=10", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "momentum" }, "momentum": { "label": "Momentum (kg·m/s)", "type": "number", "required": true, "default": 20 }, "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 2 }, "velocity": { "label": "Velocity (m/s)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "momentum", "options": [ { "label": "Momentum p", "value": "momentum" }, { "label": "Mass m", "value": "mass" }, { "label": "Velocity v", "value": "velocity" } ] }, { "id": "momentum", "label": "Momentum (kg·m/s)", "type": "number", "required": true, "defaultValue": 20, "step": 0.001 }, { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 2, "min": 0.000001, "step": 0.001 }, { "id": "velocity", "label": "Velocity (m/s)", "type": "number", "required": true, "defaultValue": 10, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" } ], "formula": { "expression": "momentum p = mass m × velocity v" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "momentum", "momentum": 20, "mass": 2, "velocity": 10 } } ], "sources": [] }, { "id": "ohms-law-calculator", "version": "1.0.0", "name": "Ohm's Law Calculator", "shortName": "Ohm's law", "description": "Calculate voltage, current, resistance, and power from a selected known pair.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "voltage current resistance", "electrical power", "ohms law", "watts" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ohms-law-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Use proper electrical safety procedures and rated equipment.", "urls": { "page": "/calculator/ohms-law-calculator/", "definition": "/calculator/ohms-law-calculator/definition.json", "schema": "/calculator/ohms-law-calculator/schema.json", "llms": "/calculator/ohms-law-calculator/llms.txt", "legacyDefinition": "/calculator/ohms-law-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ohms-law-calculator/?knownPair=voltageResistance&firstValue=12&secondValue=6", "queryParameters": { "knownPair": { "label": "Known values", "type": "select", "required": true, "default": "voltageResistance" }, "firstValue": { "label": "First selected value", "type": "number", "required": true, "default": 12 }, "secondValue": { "label": "Second selected value", "type": "number", "required": true, "default": 6 } }, "inputs": [ { "id": "knownPair", "label": "Known values", "type": "select", "required": true, "defaultValue": "voltageResistance", "options": [ { "label": "Voltage and resistance", "value": "voltageResistance" }, { "label": "Voltage and current", "value": "voltageCurrent" }, { "label": "Current and resistance", "value": "currentResistance" }, { "label": "Power and voltage", "value": "powerVoltage" }, { "label": "Power and current", "value": "powerCurrent" }, { "label": "Power and resistance", "value": "powerResistance" } ], "width": "full" }, { "id": "firstValue", "label": "First selected value", "type": "number", "required": true, "defaultValue": 12, "min": 1e-9, "step": 0.01, "help": "Use the first value named above", "width": "half" }, { "id": "secondValue", "label": "Second selected value", "type": "number", "required": true, "defaultValue": 6, "min": 1e-9, "step": 0.01, "help": "Use the second value named above", "width": "half" } ], "outputs": [ { "id": "power", "label": "Power", "format": "number", "digits": 4, "suffix": " W", "primary": true }, { "id": "voltage", "label": "Voltage", "format": "number", "digits": 4, "suffix": " V" }, { "id": "current", "label": "Current", "format": "number", "digits": 4, "suffix": " A" }, { "id": "resistance", "label": "Resistance", "format": "number", "digits": 4, "suffix": " Ω" } ], "formula": { "expression": "V = IR; P = VI = I²R = V²/R" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "knownPair": "voltageResistance", "firstValue": 12, "secondValue": 6 } } ], "sources": [] }, { "id": "pressure-calculator", "version": "1.0.0", "name": "Pressure Calculator", "shortName": "Pressure", "description": "Calculate pressure, force, or area using P = F/A.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "pressure", "calculator", "pressure calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pressure-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pressure-calculator/", "definition": "/calculator/pressure-calculator/definition.json", "schema": "/calculator/pressure-calculator/schema.json", "llms": "/calculator/pressure-calculator/llms.txt", "legacyDefinition": "/calculator/pressure-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pressure-calculator/?solveFor=pressure&pressure=10000&force=1000&area=0.1", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "pressure" }, "pressure": { "label": "Pressure (Pa)", "type": "number", "required": true, "default": 10000 }, "force": { "label": "Force (N)", "type": "number", "required": true, "default": 1000 }, "area": { "label": "Area (m²)", "type": "number", "required": true, "default": 0.1 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "pressure", "options": [ { "label": "Pressure P", "value": "pressure" }, { "label": "Force F", "value": "force" }, { "label": "Area A", "value": "area" } ] }, { "id": "pressure", "label": "Pressure (Pa)", "type": "number", "required": true, "defaultValue": 10000, "step": 0.001 }, { "id": "force", "label": "Force (N)", "type": "number", "required": true, "defaultValue": 1000, "step": 0.001 }, { "id": "area", "label": "Area (m²)", "type": "number", "required": true, "defaultValue": 0.1, "min": 0.000001, "step": 0.000001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" } ], "formula": { "expression": "pressure P = force F ÷ area A" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "pressure", "pressure": 10000, "force": 1000, "area": 0.1 } } ], "sources": [] }, { "id": "resistor-calculator", "version": "7.0.0", "name": "Resistor Color Code", "shortName": "Resistor Color Code", "description": "Decode the resistance value and tolerance of axial resistors using the standard electronic color code system.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "resistor" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/resistor-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/resistor-calculator/", "definition": "/calculator/resistor-calculator/definition.json", "schema": "/calculator/resistor-calculator/schema.json", "llms": "/calculator/resistor-calculator/llms.txt", "legacyDefinition": "/calculator/resistor-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/resistor-calculator/?numBands=4&band=1", "queryParameters": { "numBands": { "label": "Band count", "type": "select", "required": false, "default": "4" }, "band": { "label": "Band", "type": "text", "required": false, "default": "1" } }, "inputs": [ { "id": "numBands", "label": "Band count", "type": "select", "defaultValue": "4" }, { "id": "band", "label": "Band", "type": "text", "defaultValue": "1" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Four-band resistance = first two digits × multiplier with the selected tolerance; color bands and ohms are converted both ways." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "numBands": "4", "band": "1" } } ], "sources": [] }, { "id": "speed-calculator", "version": "1.0.0", "name": "Speed Calculator", "shortName": "Speed", "description": "Calculate average speed and pace from distance and elapsed time.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "average speed", "distance time", "pace", "travel speed" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/speed-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/speed-calculator/", "definition": "/calculator/speed-calculator/definition.json", "schema": "/calculator/speed-calculator/schema.json", "llms": "/calculator/speed-calculator/llms.txt", "legacyDefinition": "/calculator/speed-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/speed-calculator/?distance=120&timeHours=2&unitName=miles", "queryParameters": { "distance": { "label": "Distance", "type": "number", "required": true, "default": 120 }, "timeHours": { "label": "Elapsed time", "type": "number", "required": true, "default": 2 }, "unitName": { "label": "Distance unit name", "type": "text", "required": false, "default": "miles" } }, "inputs": [ { "id": "distance", "label": "Distance", "type": "number", "required": true, "defaultValue": 120, "min": 0, "step": 0.01, "width": "half" }, { "id": "timeHours", "label": "Elapsed time", "type": "number", "required": true, "defaultValue": 2, "min": 1e-9, "step": 0.01, "suffix": " h", "width": "half" }, { "id": "unitName", "label": "Distance unit name", "type": "text", "defaultValue": "miles", "placeholder": "miles, km, meters", "help": "Optional label only", "width": "full" } ], "outputs": [ { "id": "speed", "label": "Average speed", "format": "number", "primary": true }, { "id": "speedUnit", "label": "Speed unit", "format": "text" }, { "id": "pace", "label": "Pace per distance unit", "format": "text" }, { "id": "totalMinutes", "label": "Elapsed minutes", "format": "number" } ], "formula": { "expression": "Speed = distance ÷ time; pace = time ÷ distance" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "distance": 120, "timeHours": 2, "unitName": "miles" } } ], "sources": [] }, { "id": "uniformly-accelerated-motion-calculator", "version": "1.0.0", "name": "Uniformly Accelerated Motion Calculator", "shortName": "Uniformly Accelerated Motion", "description": "Solve one constant-acceleration motion variable from standard one-dimensional kinematic equations.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "uniformly", "accelerated", "motion", "calculator", "uniformly accelerated motion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/uniformly-accelerated-motion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/uniformly-accelerated-motion-calculator/", "definition": "/calculator/uniformly-accelerated-motion-calculator/definition.json", "schema": "/calculator/uniformly-accelerated-motion-calculator/schema.json", "llms": "/calculator/uniformly-accelerated-motion-calculator/llms.txt", "legacyDefinition": "/calculator/uniformly-accelerated-motion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/uniformly-accelerated-motion-calculator/?solveFor=finalVelocity&initialVelocity=5&finalVelocity=25&displacement=150&acceleration=2&time=10", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "finalVelocity" }, "initialVelocity": { "label": "Initial velocity u (m/s)", "type": "number", "required": true, "default": 5 }, "finalVelocity": { "label": "Final velocity v (m/s)", "type": "number", "required": true, "default": 25 }, "displacement": { "label": "Displacement s (m)", "type": "number", "required": true, "default": 150 }, "acceleration": { "label": "Acceleration a (m/s²)", "type": "number", "required": true, "default": 2 }, "time": { "label": "Time t (s)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "finalVelocity", "options": [ { "label": "Initial velocity u", "value": "initialVelocity" }, { "label": "Final velocity v", "value": "finalVelocity" }, { "label": "Displacement s", "value": "displacement" }, { "label": "Acceleration a", "value": "acceleration" }, { "label": "Time t", "value": "time" } ] }, { "id": "initialVelocity", "label": "Initial velocity u (m/s)", "type": "number", "required": true, "defaultValue": 5, "step": 0.001 }, { "id": "finalVelocity", "label": "Final velocity v (m/s)", "type": "number", "required": true, "defaultValue": 25, "step": 0.001 }, { "id": "displacement", "label": "Displacement s (m)", "type": "number", "required": true, "defaultValue": 150, "step": 0.001 }, { "id": "acceleration", "label": "Acceleration a (m/s²)", "type": "number", "required": true, "defaultValue": 2, "step": 0.001 }, { "id": "time", "label": "Time t (s)", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" }, { "id": "equation", "label": "Equation used", "format": "text" } ], "formula": { "expression": "v = u + at; s = ut + ½at²; v² = u² + 2as" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "finalVelocity", "initialVelocity": 5, "finalVelocity": 25, "displacement": 150, "acceleration": 2, "time": 10 } } ], "sources": [] }, { "id": "velocity-as-a-function-of-acceleration-and-time-calculator", "version": "1.0.0", "name": "Velocity as a Function of Acceleration and Time Calculator", "shortName": "Velocity as a Function of Acceleration and", "description": "Calculate final velocity from initial velocity, acceleration, and elapsed time.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "velocity", "as", "a", "function", "of", "acceleration", "and", "time", "calculator", "velocity as a function of acceleration and time calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/velocity-as-a-function-of-acceleration-and-time-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/velocity-as-a-function-of-acceleration-and-time-calculator/", "definition": "/calculator/velocity-as-a-function-of-acceleration-and-time-calculator/definition.json", "schema": "/calculator/velocity-as-a-function-of-acceleration-and-time-calculator/schema.json", "llms": "/calculator/velocity-as-a-function-of-acceleration-and-time-calculator/llms.txt", "legacyDefinition": "/calculator/velocity-as-a-function-of-acceleration-and-time-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/velocity-as-a-function-of-acceleration-and-time-calculator/?initialVelocity=5&acceleration=2&time=10", "queryParameters": { "initialVelocity": { "label": "Initial velocity u (m/s)", "type": "number", "required": true, "default": 5 }, "acceleration": { "label": "Acceleration a (m/s²)", "type": "number", "required": true, "default": 2 }, "time": { "label": "Time t (s)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "initialVelocity", "label": "Initial velocity u (m/s)", "type": "number", "required": true, "defaultValue": 5, "step": 0.001 }, { "id": "acceleration", "label": "Acceleration a (m/s²)", "type": "number", "required": true, "defaultValue": 2, "step": 0.001 }, { "id": "time", "label": "Time t (s)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "finalVelocity", "label": "Final velocity v (m/s)", "format": "number", "primary": true, "digits": 8 }, { "id": "velocityChange", "label": "Velocity change Δv (m/s)", "format": "number", "digits": 8 } ], "formula": { "expression": "v = u + at" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "initialVelocity": 5, "acceleration": 2, "time": 10 } } ], "sources": [] }, { "id": "velocity-calculator", "version": "7.0.0", "name": "Velocity Calculator", "shortName": "Velocity", "description": "Calculate average velocity based on displacement and time.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "velocity" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/velocity-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/velocity-calculator/", "definition": "/calculator/velocity-calculator/definition.json", "schema": "/calculator/velocity-calculator/schema.json", "llms": "/calculator/velocity-calculator/llms.txt", "legacyDefinition": "/calculator/velocity-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/velocity-calculator/?startPos=0&endPos=100&time=10", "queryParameters": { "startPos": { "label": "Initial Position (m)", "type": "number", "required": false, "default": 0 }, "endPos": { "label": "Final Position (m)", "type": "number", "required": false, "default": 100 }, "time": { "label": "Time Interval (s)", "type": "number", "required": false, "default": 10 } }, "inputs": [ { "id": "startPos", "label": "Initial Position (m)", "type": "number", "defaultValue": 0 }, { "id": "endPos", "label": "Final Position (m)", "type": "number", "defaultValue": 100 }, { "id": "time", "label": "Time Interval (s)", "type": "number", "defaultValue": 10 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Average velocity = displacement ÷ elapsed time." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startPos": 0, "endPos": 100, "time": 10 } } ], "sources": [] }, { "id": "voltage-drop-calculator", "version": "7.0.0", "name": "Voltage Drop Calculator", "shortName": "Voltage Drop", "description": "Calculate voltage drop in a wire run (Single Phase).", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "voltage", "drop" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/voltage-drop-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/voltage-drop-calculator/", "definition": "/calculator/voltage-drop-calculator/definition.json", "schema": "/calculator/voltage-drop-calculator/schema.json", "llms": "/calculator/voltage-drop-calculator/llms.txt", "legacyDefinition": "/calculator/voltage-drop-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/voltage-drop-calculator/?voltage=120¤t=10&distance=50&wireSize=14&material=copper", "queryParameters": { "voltage": { "label": "Source Voltage (V)", "type": "number", "required": false, "default": 120 }, "current": { "label": "Load Current (Amps)", "type": "number", "required": false, "default": 10 }, "distance": { "label": "One-way Distance (Feet)", "type": "number", "required": false, "default": 50 }, "wireSize": { "label": "Wire Size", "type": "text", "required": false, "default": "14" }, "material": { "label": "Material", "type": "text", "required": false, "default": "copper" } }, "inputs": [ { "id": "voltage", "label": "Source Voltage (V)", "type": "number", "defaultValue": 120 }, { "id": "current", "label": "Load Current (Amps)", "type": "number", "defaultValue": 10 }, { "id": "distance", "label": "One-way Distance (Feet)", "type": "number", "defaultValue": 50 }, { "id": "wireSize", "label": "Wire Size", "type": "text", "defaultValue": "14" }, { "id": "material", "label": "Material", "type": "text", "defaultValue": "copper" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Voltage drop = current × conductor resistance × circuit length factor; percentage drop = drop ÷ source voltage × 100." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "voltage": 120, "current": 10, "distance": 50, "wireSize": "14", "material": "copper" } } ], "sources": [] }, { "id": "wavelength-calculator", "version": "1.0.0", "name": "Wavelength Calculator", "shortName": "Wavelength", "description": "Calculate wavelength, wave speed, or frequency.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "wavelength", "calculator", "wavelength calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/wavelength-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/wavelength-calculator/", "definition": "/calculator/wavelength-calculator/definition.json", "schema": "/calculator/wavelength-calculator/schema.json", "llms": "/calculator/wavelength-calculator/llms.txt", "legacyDefinition": "/calculator/wavelength-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/wavelength-calculator/?solveFor=wavelength&wavelength=0.5&speed=343&frequency=686", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "wavelength" }, "wavelength": { "label": "Wavelength (m)", "type": "number", "required": true, "default": 0.5 }, "speed": { "label": "Wave speed (m/s)", "type": "number", "required": true, "default": 343 }, "frequency": { "label": "Frequency (Hz)", "type": "number", "required": true, "default": 686 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "wavelength", "options": [ { "label": "Wavelength λ", "value": "wavelength" }, { "label": "Wave speed v", "value": "speed" }, { "label": "Frequency f", "value": "frequency" } ] }, { "id": "wavelength", "label": "Wavelength (m)", "type": "number", "required": true, "defaultValue": 0.5, "min": 1e-12, "step": 0.000001 }, { "id": "speed", "label": "Wave speed (m/s)", "type": "number", "required": true, "defaultValue": 343, "min": 0, "step": 0.001 }, { "id": "frequency", "label": "Frequency (Hz)", "type": "number", "required": true, "defaultValue": 686, "min": 1e-12, "step": 0.001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 10 }, { "id": "unit", "label": "Unit", "format": "text" } ], "formula": { "expression": "wavelength λ = wave speed v ÷ frequency f" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "wavelength", "wavelength": 0.5, "speed": 343, "frequency": 686 } } ], "sources": [] }, { "id": "physics-weight-calculator", "version": "1.0.0", "name": "Weight Calculator (Physics)", "shortName": "Weight Calculator (Physics)", "description": "Calculate weight force, mass, or gravitational acceleration.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "weight", "calculator", "physics", "physics weight calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/physics-weight-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/physics-weight-calculator/", "definition": "/calculator/physics-weight-calculator/definition.json", "schema": "/calculator/physics-weight-calculator/schema.json", "llms": "/calculator/physics-weight-calculator/llms.txt", "legacyDefinition": "/calculator/physics-weight-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/physics-weight-calculator/?solveFor=weight&weight=98.0665&mass=10&gravity=9.80665", "queryParameters": { "solveFor": { "label": "Solve for", "type": "select", "required": true, "default": "weight" }, "weight": { "label": "Weight force (N)", "type": "number", "required": true, "default": 98.0665 }, "mass": { "label": "Mass (kg)", "type": "number", "required": true, "default": 10 }, "gravity": { "label": "Gravity (m/s²)", "type": "number", "required": true, "default": 9.80665 } }, "inputs": [ { "id": "solveFor", "label": "Solve for", "type": "select", "required": true, "defaultValue": "weight", "options": [ { "label": "Weight force W", "value": "weight" }, { "label": "Mass m", "value": "mass" }, { "label": "Gravity g", "value": "gravity" } ] }, { "id": "weight", "label": "Weight force (N)", "type": "number", "required": true, "defaultValue": 98.0665, "step": 0.001 }, { "id": "mass", "label": "Mass (kg)", "type": "number", "required": true, "defaultValue": 10, "min": 0.000001, "step": 0.001 }, { "id": "gravity", "label": "Gravity (m/s²)", "type": "number", "required": true, "defaultValue": 9.80665, "min": 0.000001, "step": 0.00001 } ], "outputs": [ { "id": "result", "label": "Solved value", "format": "number", "primary": true, "digits": 8 }, { "id": "unit", "label": "Unit", "format": "text" } ], "formula": { "expression": "weight force W = mass m × gravitational acceleration g" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "solveFor": "weight", "weight": 98.0665, "mass": 10, "gravity": 9.80665 } } ], "sources": [] }, { "id": "weight-calculator", "version": "7.0.0", "name": "Weight on Planets", "shortName": "Weight on Planets", "description": "Calculate your weight on different celestial bodies in our solar system.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "weight" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/weight-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/weight-calculator/", "definition": "/calculator/weight-calculator/definition.json", "schema": "/calculator/weight-calculator/schema.json", "llms": "/calculator/weight-calculator/llms.txt", "legacyDefinition": "/calculator/weight-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/weight-calculator/?weight=150&planet=mars", "queryParameters": { "weight": { "label": "Your Weight (lbs or kg)", "type": "number", "required": false, "default": 150 }, "planet": { "label": "Planet", "type": "text", "required": false, "default": "mars" } }, "inputs": [ { "id": "weight", "label": "Your Weight (lbs or kg)", "type": "number", "defaultValue": 150 }, { "id": "planet", "label": "Planet", "type": "text", "defaultValue": "mars" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Weight force = mass × local gravitational acceleration." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "weight": 150, "planet": "mars" } } ], "sources": [] }, { "id": "wind-chill-calculator", "version": "7.0.0", "name": "Wind Chill Calculator", "shortName": "Wind Chill", "description": "Calculate the perceived temperature due to wind cooling effect.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "wind", "chill" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/wind-chill-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/wind-chill-calculator/", "definition": "/calculator/wind-chill-calculator/definition.json", "schema": "/calculator/wind-chill-calculator/schema.json", "llms": "/calculator/wind-chill-calculator/llms.txt", "legacyDefinition": "/calculator/wind-chill-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/wind-chill-calculator/?temp=30&speed=15", "queryParameters": { "temp": { "label": "Temperature (°F)", "type": "number", "required": false, "default": 30 }, "speed": { "label": "Wind Speed (mph)", "type": "number", "required": false, "default": 15 } }, "inputs": [ { "id": "temp", "label": "Temperature (°F)", "type": "number", "defaultValue": 30 }, { "id": "speed", "label": "Wind Speed (mph)", "type": "number", "defaultValue": 15 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "NWS wind chill: 35.74 + 0.6215T − 35.75V^0.16 + 0.4275T·V^0.16 for Fahrenheit and mph." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "temp": 30, "speed": 15 } } ], "sources": [ { "label": "National Weather Service wind chill", "url": "https://www.weather.gov/safety/cold-wind-chill-chart" } ] }, { "id": "work-calculator", "version": "1.0.0", "name": "Work Calculator (Physics)", "shortName": "Work Calculator (Physics)", "description": "Calculate mechanical work from force, displacement, and the angle between them.", "category": "Science & Engineering", "categorySlug": "science-engineering", "keywords": [ "work", "calculator", "physics", "work calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/work-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/work-calculator/", "definition": "/calculator/work-calculator/definition.json", "schema": "/calculator/work-calculator/schema.json", "llms": "/calculator/work-calculator/llms.txt", "legacyDefinition": "/calculator/work-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/work-calculator/?force=100&distance=5&angle=0", "queryParameters": { "force": { "label": "Force magnitude (N)", "type": "number", "required": true, "default": 100 }, "distance": { "label": "Displacement (m)", "type": "number", "required": true, "default": 5 }, "angle": { "label": "Angle between force and displacement (degrees)", "type": "number", "required": true, "default": 0 } }, "inputs": [ { "id": "force", "label": "Force magnitude (N)", "type": "number", "required": true, "defaultValue": 100, "min": 0, "step": 0.001 }, { "id": "distance", "label": "Displacement (m)", "type": "number", "required": true, "defaultValue": 5, "min": 0, "step": 0.001 }, { "id": "angle", "label": "Angle between force and displacement (degrees)", "type": "number", "required": true, "defaultValue": 0, "min": 0, "max": 180, "step": 0.01 } ], "outputs": [ { "id": "work", "label": "Work (J)", "format": "number", "primary": true, "digits": 8 }, { "id": "parallelForce", "label": "Force component along motion (N)", "format": "number", "digits": 8 } ], "formula": { "expression": "W = Fd cos(θ)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "force": 100, "distance": 5, "angle": 0 } } ], "sources": [] }, { "id": "acceleration-conversion-calculator", "version": "1.0.0", "name": "Acceleration Conversion Calculator", "shortName": "Acceleration Conversion", "description": "Convert acceleration between SI, imperial, Gal, and standard-gravity units.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "acceleration", "conversion", "calculator", "acceleration conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/acceleration-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/acceleration-conversion-calculator/", "definition": "/calculator/acceleration-conversion-calculator/definition.json", "schema": "/calculator/acceleration-conversion-calculator/schema.json", "llms": "/calculator/acceleration-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/acceleration-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/acceleration-conversion-calculator/?value=9.80665&fromUnit=m%2Fs2&toUnit=ft%2Fs2", "queryParameters": { "value": { "label": "Acceleration", "type": "number", "required": true, "default": 9.80665 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "m/s2" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "ft/s2" } }, "inputs": [ { "id": "value", "label": "Acceleration", "type": "number", "required": true, "defaultValue": 9.80665, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "m/s2", "options": [ { "label": "Meters per second squared (m/s²)", "value": "m/s2" }, { "label": "Feet per second squared (ft/s²)", "value": "ft/s2" }, { "label": "Gal (cm/s²)", "value": "gal" }, { "label": "Standard gravity (g₀)", "value": "g" }, { "label": "Kilometers per hour per second", "value": "km/h/s" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "ft/s2", "options": [ { "label": "Meters per second squared (m/s²)", "value": "m/s2" }, { "label": "Feet per second squared (ft/s²)", "value": "ft/s2" }, { "label": "Gal (cm/s²)", "value": "gal" }, { "label": "Standard gravity (g₀)", "value": "g" }, { "label": "Kilometers per hour per second", "value": "km/h/s" } ] } ], "outputs": [ { "id": "result", "label": "Converted acceleration", "format": "number", "primary": true, "digits": 8 }, { "id": "equation", "label": "Conversion", "format": "text" } ], "formula": { "expression": "converted = value × source factor ÷ target factor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 9.80665, "fromUnit": "m/s2", "toUnit": "ft/s2" } } ], "sources": [] }, { "id": "angle-conversion-calculator", "version": "1.0.0", "name": "Angle Conversion Calculator", "shortName": "Angle Conversion", "description": "Convert angles among degrees, radians, gradians, turns, arcminutes, and arcseconds.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "angle", "conversion", "calculator", "angle conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/angle-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/angle-conversion-calculator/", "definition": "/calculator/angle-conversion-calculator/definition.json", "schema": "/calculator/angle-conversion-calculator/schema.json", "llms": "/calculator/angle-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/angle-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/angle-conversion-calculator/?value=180&fromUnit=degree&toUnit=radian", "queryParameters": { "value": { "label": "Angle", "type": "number", "required": true, "default": 180 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "degree" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "radian" } }, "inputs": [ { "id": "value", "label": "Angle", "type": "number", "required": true, "defaultValue": 180, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "degree", "options": [ { "label": "Degree (°)", "value": "degree" }, { "label": "Radian (rad)", "value": "radian" }, { "label": "Gradian (gon)", "value": "gradian" }, { "label": "Turn", "value": "turn" }, { "label": "Arcminute (′)", "value": "arcminute" }, { "label": "Arcsecond (″)", "value": "arcsecond" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "radian", "options": [ { "label": "Degree (°)", "value": "degree" }, { "label": "Radian (rad)", "value": "radian" }, { "label": "Gradian (gon)", "value": "gradian" }, { "label": "Turn", "value": "turn" }, { "label": "Arcminute (′)", "value": "arcminute" }, { "label": "Arcsecond (″)", "value": "arcsecond" } ] } ], "outputs": [ { "id": "result", "label": "Converted angle", "format": "number", "primary": true, "digits": 12 }, { "id": "degrees", "label": "Equivalent degrees", "format": "number", "digits": 10 }, { "id": "radians", "label": "Equivalent radians", "format": "number", "digits": 12 } ], "formula": { "expression": "degrees = value × degrees-per-source-unit; result = degrees ÷ degrees-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 180, "fromUnit": "degree", "toUnit": "radian" } } ], "sources": [] }, { "id": "aspect-ratio-calculator", "version": "7.0.0", "name": "Aspect Ratio Calculator", "shortName": "Aspect Ratio", "description": "Calculate aspect ratios and resize dimensions.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "aspect", "ratio" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/aspect-ratio-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/aspect-ratio-calculator/", "definition": "/calculator/aspect-ratio-calculator/definition.json", "schema": "/calculator/aspect-ratio-calculator/schema.json", "llms": "/calculator/aspect-ratio-calculator/llms.txt", "legacyDefinition": "/calculator/aspect-ratio-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/aspect-ratio-calculator/?width=1920&height=1080", "queryParameters": { "width": { "label": "Width", "type": "number", "required": false, "default": 1920 }, "height": { "label": "Height", "type": "number", "required": false, "default": 1080 }, "newWidth": { "label": "New Width", "type": "number", "required": false, "default": "" }, "newHeight": { "label": "New Height", "type": "number", "required": false, "default": "" } }, "inputs": [ { "id": "width", "label": "Width", "type": "number", "defaultValue": 1920 }, { "id": "height", "label": "Height", "type": "number", "defaultValue": 1080 }, { "id": "newWidth", "label": "New Width", "type": "number", "defaultValue": "" }, { "id": "newHeight", "label": "New Height", "type": "number", "defaultValue": "" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Aspect ratio = width ÷ height; a missing dimension is solved by preserving the same ratio." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "width": 1920, "height": 1080, "newWidth": "", "newHeight": "" } } ], "sources": [] }, { "id": "aspect-ratio-image-calculator", "version": "7.0.0", "name": "Aspect Ratio Calculator", "shortName": "Aspect Ratio", "description": "Calculate aspect ratios and resize dimensions.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "aspect", "ratio", "image" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/aspect-ratio-image-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/aspect-ratio-image-calculator/", "definition": "/calculator/aspect-ratio-image-calculator/definition.json", "schema": "/calculator/aspect-ratio-image-calculator/schema.json", "llms": "/calculator/aspect-ratio-image-calculator/llms.txt", "legacyDefinition": "/calculator/aspect-ratio-image-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/aspect-ratio-image-calculator/?width=1920&height=1080", "queryParameters": { "width": { "label": "Width", "type": "number", "required": false, "default": 1920 }, "height": { "label": "Height", "type": "number", "required": false, "default": 1080 }, "newWidth": { "label": "New Width", "type": "number", "required": false, "default": "" }, "newHeight": { "label": "New Height", "type": "number", "required": false, "default": "" } }, "inputs": [ { "id": "width", "label": "Width", "type": "number", "defaultValue": 1920 }, { "id": "height", "label": "Height", "type": "number", "defaultValue": 1080 }, { "id": "newWidth", "label": "New Width", "type": "number", "defaultValue": "" }, { "id": "newHeight", "label": "New Height", "type": "number", "defaultValue": "" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "New height = new width × original height ÷ original width, or new width = new height × original width ÷ original height." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "width": 1920, "height": 1080, "newWidth": "", "newHeight": "" } } ], "sources": [] }, { "id": "belt-size-calculator", "version": "7.0.0", "name": "Belt Size Calculator", "shortName": "Belt Size", "description": "Calculate belt size from waist size.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "belt", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/belt-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/belt-size-calculator/", "definition": "/calculator/belt-size-calculator/definition.json", "schema": "/calculator/belt-size-calculator/schema.json", "llms": "/calculator/belt-size-calculator/llms.txt", "legacyDefinition": "/calculator/belt-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/belt-size-calculator/?waistSize=32", "queryParameters": { "waistSize": { "label": "Waist Size (inches)", "type": "number", "required": false, "default": 32 } }, "inputs": [ { "id": "waistSize", "label": "Waist Size (inches)", "type": "number", "defaultValue": 32 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Suggested belt size is derived from waist or trouser size using the displayed sizing allowance." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "waistSize": 32 } } ], "sources": [] }, { "id": "bike-frame-size-calculator", "version": "7.0.0", "name": "Bike Frame Size Calculator", "shortName": "Bike Frame Size", "description": "Calculate bike frame size based on inseam.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "bike", "frame", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bike-frame-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/bike-frame-size-calculator/", "definition": "/calculator/bike-frame-size-calculator/definition.json", "schema": "/calculator/bike-frame-size-calculator/schema.json", "llms": "/calculator/bike-frame-size-calculator/llms.txt", "legacyDefinition": "/calculator/bike-frame-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bike-frame-size-calculator/?inseam=30&type=road", "queryParameters": { "inseam": { "label": "Inseam Length (inches)", "type": "number", "required": false, "default": 30 }, "type": { "label": "Type", "type": "select", "required": false, "default": "road" } }, "inputs": [ { "id": "inseam", "label": "Inseam Length (inches)", "type": "number", "defaultValue": 30 }, { "id": "type", "label": "Type", "type": "select", "defaultValue": "road" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Suggested frame size = inseam × discipline-specific sizing factor, then mapped to a common size label." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "inseam": 30, "type": "road" } } ], "sources": [] }, { "id": "bra-size-calculator", "version": "7.0.0", "name": "Bra Size Calculator", "shortName": "Bra Size", "description": "Estimate bra size based on band and bust measurements.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "bra", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bra-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/bra-size-calculator/", "definition": "/calculator/bra-size-calculator/definition.json", "schema": "/calculator/bra-size-calculator/schema.json", "llms": "/calculator/bra-size-calculator/llms.txt", "legacyDefinition": "/calculator/bra-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bra-size-calculator/?band=34&bust=37", "queryParameters": { "band": { "label": "Underbust (Band)", "type": "number", "required": false, "default": 34 }, "bust": { "label": "Bust (Fullest part)", "type": "number", "required": false, "default": 37 } }, "inputs": [ { "id": "band", "label": "Underbust (Band)", "type": "number", "defaultValue": 34 }, { "id": "bust", "label": "Bust (Fullest part)", "type": "number", "defaultValue": 37 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Band size is derived from rounded underbust measurement; cup size is selected from the bust-minus-band difference lookup." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "band": 34, "bust": 37 } } ], "sources": [] }, { "id": "camera-lens-calculator", "version": "7.0.0", "name": "Camera Lens Equivalent", "shortName": "Camera Lens Equivalent", "description": "Calculate 35mm equivalent focal length for different sensor sizes.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "camera", "lens" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/camera-lens-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/camera-lens-calculator/", "definition": "/calculator/camera-lens-calculator/definition.json", "schema": "/calculator/camera-lens-calculator/schema.json", "llms": "/calculator/camera-lens-calculator/llms.txt", "legacyDefinition": "/calculator/camera-lens-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/camera-lens-calculator/?cropFactor=1.0&focalLength=50", "queryParameters": { "cropFactor": { "label": "Crop Factor", "type": "select", "required": false, "default": "1.0" }, "focalLength": { "label": "Focal Length (mm)", "type": "number", "required": false, "default": 50 } }, "inputs": [ { "id": "cropFactor", "label": "Crop Factor", "type": "select", "defaultValue": "1.0" }, { "id": "focalLength", "label": "Focal Length (mm)", "type": "number", "defaultValue": 50 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Field of view = 2·atan(sensor dimension ÷ (2·focal length)); crop-equivalent focal length = focal length × crop factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cropFactor": "1.0", "focalLength": 50 } } ], "sources": [] }, { "id": "celsius-to-rankine-calculator", "version": "1.0.0", "name": "Celsius to Rankine Calculator", "shortName": "Celsius to Rankine", "description": "Convert temperatures from degrees Celsius to degrees Rankine.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "celsius", "to", "rankine", "calculator", "celsius to rankine calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/celsius-to-rankine-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/celsius-to-rankine-calculator/", "definition": "/calculator/celsius-to-rankine-calculator/definition.json", "schema": "/calculator/celsius-to-rankine-calculator/schema.json", "llms": "/calculator/celsius-to-rankine-calculator/llms.txt", "legacyDefinition": "/calculator/celsius-to-rankine-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/celsius-to-rankine-calculator/?celsius=20", "queryParameters": { "celsius": { "label": "Degrees Celsius (°C)", "type": "number", "required": true, "default": 20 } }, "inputs": [ { "id": "celsius", "label": "Degrees Celsius (°C)", "type": "number", "required": true, "defaultValue": 20, "step": 0.01 } ], "outputs": [ { "id": "rankine", "label": "Degrees Rankine (°R)", "format": "number", "primary": true, "digits": 4 }, { "id": "kelvin", "label": "Kelvin (K)", "format": "number", "digits": 4 } ], "formula": { "expression": "°R = (°C + 273.15) × 9 ÷ 5" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "celsius": 20 } } ], "sources": [] }, { "id": "height-calculator", "version": "7.0.0", "name": "Child Height Predictor", "shortName": "Child Height Predictor", "description": "Estimate a child's adult height based on the mid-parental height method.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "height" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/height-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/height-calculator/", "definition": "/calculator/height-calculator/definition.json", "schema": "/calculator/height-calculator/schema.json", "llms": "/calculator/height-calculator/llms.txt", "legacyDefinition": "/calculator/height-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/height-calculator/?fatherHeight=178&motherHeight=165&gender=male", "queryParameters": { "fatherHeight": { "label": "Father's Height (cm)", "type": "number", "required": false, "default": 178 }, "motherHeight": { "label": "Mother's Height (cm)", "type": "number", "required": false, "default": 165 }, "gender": { "label": "Gender", "type": "select", "required": false, "default": "male" } }, "inputs": [ { "id": "fatherHeight", "label": "Father's Height (cm)", "type": "number", "defaultValue": 178 }, { "id": "motherHeight", "label": "Mother's Height (cm)", "type": "number", "defaultValue": 165 }, { "id": "gender", "label": "Gender", "type": "select", "defaultValue": "male" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Height is converted through exact unit factors among feet/inches, centimeters, and meters." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "fatherHeight": 178, "motherHeight": 165, "gender": "male" } } ], "sources": [] }, { "id": "cloth-size-calculator", "version": "7.0.0", "name": "Clothing Size Converter", "shortName": "Clothing Size", "description": "Convert clothing sizes between international regions (Men's Tops).", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "cloth", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cloth-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/cloth-size-calculator/", "definition": "/calculator/cloth-size-calculator/definition.json", "schema": "/calculator/cloth-size-calculator/schema.json", "llms": "/calculator/cloth-size-calculator/llms.txt", "legacyDefinition": "/calculator/cloth-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cloth-size-calculator/?size=M", "queryParameters": { "size": { "label": "Size", "type": "select", "required": false, "default": "M" } }, "inputs": [ { "id": "size", "label": "Size", "type": "select", "defaultValue": "M" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The result is selected from the calculator’s published body-measurement size ranges." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "size": "M" } } ], "sources": [] }, { "id": "computer-storage-units-conversion-calculator", "version": "1.0.0", "name": "Computer Storage Units Conversion Calculator", "shortName": "Computer Storage Units Conversion", "description": "Convert bits and bytes using decimal SI or binary IEC storage units.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "computer", "storage", "units", "conversion", "calculator", "computer storage units conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/computer-storage-units-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/computer-storage-units-conversion-calculator/", "definition": "/calculator/computer-storage-units-conversion-calculator/definition.json", "schema": "/calculator/computer-storage-units-conversion-calculator/schema.json", "llms": "/calculator/computer-storage-units-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/computer-storage-units-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/computer-storage-units-conversion-calculator/?value=1&fromUnit=GB&toUnit=GiB", "queryParameters": { "value": { "label": "Storage amount", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "GB" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "GiB" } }, "inputs": [ { "id": "value", "label": "Storage amount", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "GB", "options": [ { "label": "Bit", "value": "bit" }, { "label": "Byte", "value": "B" }, { "label": "Kilobyte (KB)", "value": "KB" }, { "label": "Megabyte (MB)", "value": "MB" }, { "label": "Gigabyte (GB)", "value": "GB" }, { "label": "Terabyte (TB)", "value": "TB" }, { "label": "Kibibyte (KiB)", "value": "KiB" }, { "label": "Mebibyte (MiB)", "value": "MiB" }, { "label": "Gibibyte (GiB)", "value": "GiB" }, { "label": "Tebibyte (TiB)", "value": "TiB" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "GiB", "options": [ { "label": "Bit", "value": "bit" }, { "label": "Byte", "value": "B" }, { "label": "Kilobyte (KB)", "value": "KB" }, { "label": "Megabyte (MB)", "value": "MB" }, { "label": "Gigabyte (GB)", "value": "GB" }, { "label": "Terabyte (TB)", "value": "TB" }, { "label": "Kibibyte (KiB)", "value": "KiB" }, { "label": "Mebibyte (MiB)", "value": "MiB" }, { "label": "Gibibyte (GiB)", "value": "GiB" }, { "label": "Tebibyte (TiB)", "value": "TiB" } ] } ], "outputs": [ { "id": "result", "label": "Converted storage", "format": "number", "primary": true, "digits": 10 }, { "id": "bytes", "label": "Equivalent bytes", "format": "number", "digits": 2 } ], "formula": { "expression": "bytes = value × bytes-per-source-unit; result = bytes ÷ bytes-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "GB", "toUnit": "GiB" } } ], "sources": [] }, { "id": "conversion-calculator", "version": "7.0.0", "name": "Conversion Calculator", "shortName": "Conversion", "description": "Convert between different units for length, weight, and temperature.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "conversion" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/conversion-calculator/", "definition": "/calculator/conversion-calculator/definition.json", "schema": "/calculator/conversion-calculator/schema.json", "llms": "/calculator/conversion-calculator/llms.txt", "legacyDefinition": "/calculator/conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/conversion-calculator/?category=length&value=1&fromUnit=m&toUnit=ft", "queryParameters": { "category": { "label": "Category", "type": "select", "required": false, "default": "length" }, "value": { "label": "Value", "type": "number", "required": false, "default": 1 }, "fromUnit": { "label": "From Unit", "type": "text", "required": false, "default": "m" }, "toUnit": { "label": "To Unit", "type": "text", "required": false, "default": "ft" } }, "inputs": [ { "id": "category", "label": "Category", "type": "select", "defaultValue": "length" }, { "id": "value", "label": "Value", "type": "number", "defaultValue": 1 }, { "id": "fromUnit", "label": "From Unit", "type": "text", "defaultValue": "m" }, { "id": "toUnit", "label": "To Unit", "type": "text", "defaultValue": "ft" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Value in target units = value in source units × source conversion factor ÷ target conversion factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "category": "length", "value": 1, "fromUnit": "m", "toUnit": "ft" } } ], "sources": [] }, { "id": "cooking-conversion-calculator", "version": "1.0.0", "name": "Cooking Conversion Calculator", "shortName": "Cooking Conversion", "description": "Convert common cooking volume and weight units, including optional volume-to-weight conversion by density.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "cooking", "conversion", "calculator", "cooking conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cooking-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Cross-conversions between volume and weight are estimates that depend on the ingredient density entered.", "urls": { "page": "/calculator/cooking-conversion-calculator/", "definition": "/calculator/cooking-conversion-calculator/definition.json", "schema": "/calculator/cooking-conversion-calculator/schema.json", "llms": "/calculator/cooking-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/cooking-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cooking-conversion-calculator/?value=1&fromUnit=cup&toUnit=ml&density=1", "queryParameters": { "value": { "label": "Amount", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "cup" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "ml" }, "density": { "label": "Ingredient density (g/mL)", "type": "number", "required": true, "default": 1 } }, "inputs": [ { "id": "value", "label": "Amount", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 0.0001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "cup", "options": [ { "label": "Teaspoon (US)", "value": "tsp" }, { "label": "Tablespoon (US)", "value": "tbsp" }, { "label": "Fluid ounce (US)", "value": "floz" }, { "label": "Cup (US)", "value": "cup" }, { "label": "Pint (US)", "value": "pt" }, { "label": "Quart (US)", "value": "qt" }, { "label": "Gallon (US)", "value": "gal" }, { "label": "Milliliter", "value": "ml" }, { "label": "Liter", "value": "l" }, { "label": "Gram", "value": "g" }, { "label": "Kilogram", "value": "kg" }, { "label": "Ounce (weight)", "value": "oz" }, { "label": "Pound", "value": "lb" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "ml", "options": [ { "label": "Teaspoon (US)", "value": "tsp" }, { "label": "Tablespoon (US)", "value": "tbsp" }, { "label": "Fluid ounce (US)", "value": "floz" }, { "label": "Cup (US)", "value": "cup" }, { "label": "Pint (US)", "value": "pt" }, { "label": "Quart (US)", "value": "qt" }, { "label": "Gallon (US)", "value": "gal" }, { "label": "Milliliter", "value": "ml" }, { "label": "Liter", "value": "l" }, { "label": "Gram", "value": "g" }, { "label": "Kilogram", "value": "kg" }, { "label": "Ounce (weight)", "value": "oz" }, { "label": "Pound", "value": "lb" } ] }, { "id": "density", "label": "Ingredient density (g/mL)", "type": "number", "required": true, "defaultValue": 1, "min": 0.000001, "step": 0.001, "help": "Used only when converting between volume and weight." } ], "outputs": [ { "id": "result", "label": "Converted amount", "format": "number", "primary": true, "digits": 6 }, { "id": "basis", "label": "Conversion basis", "format": "text" } ], "formula": { "expression": "volume uses milliliters; mass uses grams; cross-dimension conversion uses mass = volume × density" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "cup", "toUnit": "ml", "density": 1 } } ], "sources": [] }, { "id": "cubic-feet-to-cubic-yards-calculator", "version": "1.0.0", "name": "Cubic Feet to Cubic Yards Calculator", "shortName": "Cubic Feet to Cubic Yards", "description": "Convert cubic feet to cubic yards.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "cubic", "feet", "to", "yards", "calculator", "cubic feet to cubic yards calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cubic-feet-to-cubic-yards-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/cubic-feet-to-cubic-yards-calculator/", "definition": "/calculator/cubic-feet-to-cubic-yards-calculator/definition.json", "schema": "/calculator/cubic-feet-to-cubic-yards-calculator/schema.json", "llms": "/calculator/cubic-feet-to-cubic-yards-calculator/llms.txt", "legacyDefinition": "/calculator/cubic-feet-to-cubic-yards-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cubic-feet-to-cubic-yards-calculator/?cubicFeet=27", "queryParameters": { "cubicFeet": { "label": "Cubic feet (ft³)", "type": "number", "required": true, "default": 27 } }, "inputs": [ { "id": "cubicFeet", "label": "Cubic feet (ft³)", "type": "number", "required": true, "defaultValue": 27, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "cubicYards", "label": "Cubic yards (yd³)", "format": "number", "primary": true, "digits": 8 } ], "formula": { "expression": "cubic yards = cubic feet ÷ 27" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cubicFeet": 27 } } ], "sources": [] }, { "id": "cubic-yards-to-cubic-feet-calculator", "version": "1.0.0", "name": "Cubic Yards to Cubic Feet Calculator", "shortName": "Cubic Yards to Cubic Feet", "description": "Convert cubic yards to cubic feet.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "cubic", "yards", "to", "feet", "calculator", "cubic yards to cubic feet calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cubic-yards-to-cubic-feet-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/cubic-yards-to-cubic-feet-calculator/", "definition": "/calculator/cubic-yards-to-cubic-feet-calculator/definition.json", "schema": "/calculator/cubic-yards-to-cubic-feet-calculator/schema.json", "llms": "/calculator/cubic-yards-to-cubic-feet-calculator/llms.txt", "legacyDefinition": "/calculator/cubic-yards-to-cubic-feet-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cubic-yards-to-cubic-feet-calculator/?cubicYards=1", "queryParameters": { "cubicYards": { "label": "Cubic yards (yd³)", "type": "number", "required": true, "default": 1 } }, "inputs": [ { "id": "cubicYards", "label": "Cubic yards (yd³)", "type": "number", "required": true, "defaultValue": 1, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "cubicFeet", "label": "Cubic feet (ft³)", "format": "number", "primary": true, "digits": 8 } ], "formula": { "expression": "cubic feet = cubic yards × 27" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "cubicYards": 1 } } ], "sources": [] }, { "id": "decimal-degrees-to-degrees-minutes-seconds-calculator", "version": "1.0.0", "name": "Decimal Degrees to Degrees Minutes Seconds Calculator", "shortName": "Decimal Degrees to Degrees Minutes Seconds", "description": "Convert a decimal angle or coordinate to degrees, minutes, and seconds.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "decimal", "degrees", "to", "minutes", "seconds", "calculator", "decimal degrees to degrees minutes seconds calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/decimal-degrees-to-degrees-minutes-seconds-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/", "definition": "/calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/definition.json", "schema": "/calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/schema.json", "llms": "/calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/llms.txt", "legacyDefinition": "/calculator/decimal-degrees-to-degrees-minutes-seconds-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/?decimalDegrees=-73.985656&coordinateType=longitude", "queryParameters": { "decimalDegrees": { "label": "Decimal degrees", "type": "number", "required": true, "default": -73.985656 }, "coordinateType": { "label": "Coordinate type", "type": "select", "required": true, "default": "longitude" } }, "inputs": [ { "id": "decimalDegrees", "label": "Decimal degrees", "type": "number", "required": true, "defaultValue": -73.985656, "step": 0.000001 }, { "id": "coordinateType", "label": "Coordinate type", "type": "select", "required": true, "defaultValue": "longitude", "options": [ { "label": "Generic angle", "value": "angle" }, { "label": "Latitude", "value": "latitude" }, { "label": "Longitude", "value": "longitude" } ] } ], "outputs": [ { "id": "dms", "label": "Degrees, minutes, seconds", "format": "text", "primary": true }, { "id": "degrees", "label": "Whole degrees", "format": "integer" }, { "id": "minutes", "label": "Minutes", "format": "integer" }, { "id": "seconds", "label": "Seconds", "format": "number", "digits": 6 }, { "id": "direction", "label": "Direction", "format": "text" } ], "formula": { "expression": "degrees = trunc(|x|); minutes = trunc((|x|−degrees)×60); seconds = remainder×60" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "decimalDegrees": -73.985656, "coordinateType": "longitude" } } ], "sources": [] }, { "id": "energy-conversion-calculator", "version": "1.0.0", "name": "Energy Conversion Calculator", "shortName": "Energy Conversion", "description": "Convert energy between joules, watt-hours, calories, BTU, foot-pounds, and electronvolts.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "energy", "conversion", "calculator", "energy conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/energy-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/energy-conversion-calculator/", "definition": "/calculator/energy-conversion-calculator/definition.json", "schema": "/calculator/energy-conversion-calculator/schema.json", "llms": "/calculator/energy-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/energy-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/energy-conversion-calculator/?value=1&fromUnit=kWh&toUnit=MJ", "queryParameters": { "value": { "label": "Energy", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "kWh" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "MJ" } }, "inputs": [ { "id": "value", "label": "Energy", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "kWh", "options": [ { "label": "Joule (J)", "value": "J" }, { "label": "Kilojoule (kJ)", "value": "kJ" }, { "label": "Calorie (cal)", "value": "cal" }, { "label": "Kilocalorie (kcal)", "value": "kcal" }, { "label": "Watt-hour (Wh)", "value": "Wh" }, { "label": "Kilowatt-hour (kWh)", "value": "kWh" }, { "label": "BTU (IT)", "value": "BTU" }, { "label": "Foot-pound force (ft·lbf)", "value": "ftlb" }, { "label": "Electronvolt (eV)", "value": "eV" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "MJ", "options": [ { "label": "Joule (J)", "value": "J" }, { "label": "Kilojoule (kJ)", "value": "kJ" }, { "label": "Megajoule (MJ)", "value": "MJ" }, { "label": "Calorie (cal)", "value": "cal" }, { "label": "Kilocalorie (kcal)", "value": "kcal" }, { "label": "Watt-hour (Wh)", "value": "Wh" }, { "label": "Kilowatt-hour (kWh)", "value": "kWh" }, { "label": "BTU (IT)", "value": "BTU" }, { "label": "Foot-pound force (ft·lbf)", "value": "ftlb" }, { "label": "Electronvolt (eV)", "value": "eV" } ] } ], "outputs": [ { "id": "result", "label": "Converted energy", "format": "number", "primary": true, "digits": 10 }, { "id": "joules", "label": "Equivalent joules", "format": "number", "digits": 6 } ], "formula": { "expression": "joules = value × joules-per-source-unit; result = joules ÷ joules-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "kWh", "toUnit": "MJ" } } ], "sources": [] }, { "id": "fahrenheit-to-rankine-calculator", "version": "1.0.0", "name": "Fahrenheit to Rankine Calculator", "shortName": "Fahrenheit to Rankine", "description": "Convert temperatures from degrees Fahrenheit to degrees Rankine.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "fahrenheit", "to", "rankine", "calculator", "fahrenheit to rankine calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fahrenheit-to-rankine-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/fahrenheit-to-rankine-calculator/", "definition": "/calculator/fahrenheit-to-rankine-calculator/definition.json", "schema": "/calculator/fahrenheit-to-rankine-calculator/schema.json", "llms": "/calculator/fahrenheit-to-rankine-calculator/llms.txt", "legacyDefinition": "/calculator/fahrenheit-to-rankine-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fahrenheit-to-rankine-calculator/?fahrenheit=68", "queryParameters": { "fahrenheit": { "label": "Degrees Fahrenheit (°F)", "type": "number", "required": true, "default": 68 } }, "inputs": [ { "id": "fahrenheit", "label": "Degrees Fahrenheit (°F)", "type": "number", "required": true, "defaultValue": 68, "step": 0.01 } ], "outputs": [ { "id": "rankine", "label": "Degrees Rankine (°R)", "format": "number", "primary": true, "digits": 4 }, { "id": "kelvin", "label": "Kelvin (K)", "format": "number", "digits": 4 } ], "formula": { "expression": "°R = °F + 459.67" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "fahrenheit": 68 } } ], "sources": [] }, { "id": "feet-and-inches-calculator", "version": "1.0.0", "name": "Feet and Inches Calculator", "shortName": "Feet and Inches", "description": "Add, subtract, multiply, or divide measurements expressed in feet and inches.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "feet", "and", "inches", "calculator", "feet and inches calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/feet-and-inches-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/feet-and-inches-calculator/", "definition": "/calculator/feet-and-inches-calculator/definition.json", "schema": "/calculator/feet-and-inches-calculator/schema.json", "llms": "/calculator/feet-and-inches-calculator/llms.txt", "legacyDefinition": "/calculator/feet-and-inches-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/feet-and-inches-calculator/?operation=add&feetA=5&inchesA=8&feetB=2&inchesB=6&factor=2", "queryParameters": { "operation": { "label": "Operation", "type": "select", "required": true, "default": "add" }, "feetA": { "label": "First feet", "type": "number", "required": true, "default": 5 }, "inchesA": { "label": "First inches", "type": "number", "required": true, "default": 8 }, "feetB": { "label": "Second feet", "type": "number", "required": true, "default": 2 }, "inchesB": { "label": "Second inches", "type": "number", "required": true, "default": 6 }, "factor": { "label": "Factor", "type": "number", "required": true, "default": 2 } }, "inputs": [ { "id": "operation", "label": "Operation", "type": "select", "required": true, "defaultValue": "add", "options": [ { "label": "Add two lengths", "value": "add" }, { "label": "Subtract second length", "value": "subtract" }, { "label": "Multiply first length by a factor", "value": "multiply" }, { "label": "Divide first length by a factor", "value": "divide" } ], "width": "full" }, { "id": "feetA", "label": "First feet", "type": "number", "required": true, "defaultValue": 5, "step": 1, "width": "half" }, { "id": "inchesA", "label": "First inches", "type": "number", "required": true, "defaultValue": 8, "step": 0.01, "width": "half" }, { "id": "feetB", "label": "Second feet", "type": "number", "required": true, "defaultValue": 2, "step": 1, "width": "half" }, { "id": "inchesB", "label": "Second inches", "type": "number", "required": true, "defaultValue": 6, "step": 0.01, "width": "half" }, { "id": "factor", "label": "Factor", "type": "number", "required": true, "defaultValue": 2, "step": 0.01, "min": 0.000001 } ], "outputs": [ { "id": "measurement", "label": "Result in feet and inches", "format": "text", "primary": true }, { "id": "decimalFeet", "label": "Decimal feet", "format": "number", "digits": 6 }, { "id": "totalInches", "label": "Total inches", "format": "number", "digits": 6 } ], "formula": { "expression": "total inches = feet × 12 + inches; arithmetic is performed on total inches" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "operation": "add", "feetA": 5, "inchesA": 8, "feetB": 2, "inchesB": 6, "factor": 2 } } ], "sources": [] }, { "id": "force-conversion-calculator", "version": "1.0.0", "name": "Force Conversion Calculator", "shortName": "Force Conversion", "description": "Convert force between newtons, pound-force, kilogram-force, dynes, and related units.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "force", "conversion", "calculator", "force conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/force-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/force-conversion-calculator/", "definition": "/calculator/force-conversion-calculator/definition.json", "schema": "/calculator/force-conversion-calculator/schema.json", "llms": "/calculator/force-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/force-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/force-conversion-calculator/?value=1&fromUnit=N&toUnit=lbf", "queryParameters": { "value": { "label": "Force", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "N" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "lbf" } }, "inputs": [ { "id": "value", "label": "Force", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "N", "options": [ { "label": "Newton (N)", "value": "N" }, { "label": "Kilonewton (kN)", "value": "kN" }, { "label": "Dyne (dyn)", "value": "dyn" }, { "label": "Pound-force (lbf)", "value": "lbf" }, { "label": "Ounce-force (ozf)", "value": "ozf" }, { "label": "Kilogram-force (kgf)", "value": "kgf" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "lbf", "options": [ { "label": "Newton (N)", "value": "N" }, { "label": "Kilonewton (kN)", "value": "kN" }, { "label": "Dyne (dyn)", "value": "dyn" }, { "label": "Pound-force (lbf)", "value": "lbf" }, { "label": "Ounce-force (ozf)", "value": "ozf" }, { "label": "Kilogram-force (kgf)", "value": "kgf" } ] } ], "outputs": [ { "id": "result", "label": "Converted force", "format": "number", "primary": true, "digits": 10 }, { "id": "newtons", "label": "Equivalent newtons", "format": "number", "digits": 8 } ], "formula": { "expression": "newtons = value × newtons-per-source-unit; result = newtons ÷ newtons-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "N", "toUnit": "lbf" } } ], "sources": [] }, { "id": "glove-size-calculator", "version": "7.0.0", "name": "Glove Size Calculator", "shortName": "Glove Size", "description": "Determine your standard glove size based on the circumference of your hand.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "glove", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/glove-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/glove-size-calculator/", "definition": "/calculator/glove-size-calculator/definition.json", "schema": "/calculator/glove-size-calculator/schema.json", "llms": "/calculator/glove-size-calculator/llms.txt", "legacyDefinition": "/calculator/glove-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/glove-size-calculator/?handCircumference=8", "queryParameters": { "handCircumference": { "label": "Hand Circumference (inches)", "type": "number", "required": false, "default": 8 } }, "inputs": [ { "id": "handCircumference", "label": "Hand Circumference (inches)", "type": "number", "defaultValue": 8 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Hand circumference and length are mapped to the calculator’s published glove-size range." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "handCircumference": 8 } } ], "sources": [] }, { "id": "golden-ratio-calculator", "version": "7.0.0", "name": "Golden Ratio", "shortName": "Golden Ratio", "description": "Calculate dimensions based on the mathematical beauty of the Golden Ratio (φ ≈ 1.618).", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "golden", "ratio" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/golden-ratio-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/golden-ratio-calculator/", "definition": "/calculator/golden-ratio-calculator/definition.json", "schema": "/calculator/golden-ratio-calculator/schema.json", "llms": "/calculator/golden-ratio-calculator/llms.txt", "legacyDefinition": "/calculator/golden-ratio-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/golden-ratio-calculator/?value=100&mode=A", "queryParameters": { "value": { "label": "Value", "type": "number", "required": false, "default": 100 }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "A" } }, "inputs": [ { "id": "value", "label": "Value", "type": "number", "defaultValue": 100 }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "A" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "For a:b = φ:1, larger part = total × φ ÷ (1+φ) and smaller part = total ÷ (1+φ), where φ = (1+√5)÷2." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 100, "mode": "A" } } ], "sources": [] }, { "id": "hat-size-calculator", "version": "7.0.0", "name": "Hat Size Calculator", "shortName": "Hat Size", "description": "Calculate your standard US hat size from your head circumference.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "hat", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hat-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/hat-size-calculator/", "definition": "/calculator/hat-size-calculator/definition.json", "schema": "/calculator/hat-size-calculator/schema.json", "llms": "/calculator/hat-size-calculator/llms.txt", "legacyDefinition": "/calculator/hat-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/hat-size-calculator/?circumference=58", "queryParameters": { "circumference": { "label": "Head Circumference (cm)", "type": "number", "required": false, "default": 58 } }, "inputs": [ { "id": "circumference", "label": "Head Circumference (cm)", "type": "number", "defaultValue": 58 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Head circumference is mapped to the nearest published hat size range." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "circumference": 58 } } ], "sources": [] }, { "id": "jacket-size-calculator", "version": "7.0.0", "name": "Jacket Size Calculator", "shortName": "Jacket Size", "description": "Find your standard jacket size based on your chest circumference measurement.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "jacket", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/jacket-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/jacket-size-calculator/", "definition": "/calculator/jacket-size-calculator/definition.json", "schema": "/calculator/jacket-size-calculator/schema.json", "llms": "/calculator/jacket-size-calculator/llms.txt", "legacyDefinition": "/calculator/jacket-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/jacket-size-calculator/?chest=40", "queryParameters": { "chest": { "label": "Chest Size (inches)", "type": "number", "required": false, "default": 40 } }, "inputs": [ { "id": "chest", "label": "Chest Size (inches)", "type": "number", "defaultValue": 40 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Chest and body measurements are mapped to the calculator’s published general jacket ranges." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "chest": 40 } } ], "sources": [] }, { "id": "kelvin-to-rankine-calculator", "version": "1.0.0", "name": "Kelvin to Rankine Calculator", "shortName": "Kelvin to Rankine", "description": "Convert temperatures from kelvin to degrees Rankine.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "kelvin", "to", "rankine", "calculator", "kelvin to rankine calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/kelvin-to-rankine-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/kelvin-to-rankine-calculator/", "definition": "/calculator/kelvin-to-rankine-calculator/definition.json", "schema": "/calculator/kelvin-to-rankine-calculator/schema.json", "llms": "/calculator/kelvin-to-rankine-calculator/llms.txt", "legacyDefinition": "/calculator/kelvin-to-rankine-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/kelvin-to-rankine-calculator/?kelvin=293.15", "queryParameters": { "kelvin": { "label": "Kelvin (K)", "type": "number", "required": true, "default": 293.15 } }, "inputs": [ { "id": "kelvin", "label": "Kelvin (K)", "type": "number", "required": true, "defaultValue": 293.15, "min": 0, "step": 0.01 } ], "outputs": [ { "id": "rankine", "label": "Degrees Rankine (°R)", "format": "number", "primary": true, "digits": 4 }, { "id": "celsius", "label": "Degrees Celsius (°C)", "format": "number", "digits": 4 } ], "formula": { "expression": "°R = K × 9 ÷ 5" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "kelvin": 293.15 } } ], "sources": [] }, { "id": "momentum-unit-converter", "version": "1.0.0", "name": "Momentum Unit Converter", "shortName": "Momentum Unit Converter", "description": "Convert linear momentum and impulse-equivalent units.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "momentum", "unit", "converter", "momentum unit converter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/momentum-unit-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/momentum-unit-converter/", "definition": "/calculator/momentum-unit-converter/definition.json", "schema": "/calculator/momentum-unit-converter/schema.json", "llms": "/calculator/momentum-unit-converter/llms.txt", "legacyDefinition": "/calculator/momentum-unit-converter.json" }, "queryExample": "https://askcalculators.com/calculator/momentum-unit-converter/?value=1&fromUnit=kgms&toUnit=lbfts", "queryParameters": { "value": { "label": "Momentum", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "kgms" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "lbfts" } }, "inputs": [ { "id": "value", "label": "Momentum", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "kgms", "options": [ { "label": "Kilogram meter per second (kg·m/s)", "value": "kgms" }, { "label": "Newton second (N·s)", "value": "Ns" }, { "label": "Gram centimeter per second (g·cm/s)", "value": "gcms" }, { "label": "Pound foot per second (lb·ft/s)", "value": "lbfts" }, { "label": "Slug foot per second (slug·ft/s)", "value": "slugfts" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "lbfts", "options": [ { "label": "Kilogram meter per second (kg·m/s)", "value": "kgms" }, { "label": "Newton second (N·s)", "value": "Ns" }, { "label": "Gram centimeter per second (g·cm/s)", "value": "gcms" }, { "label": "Pound foot per second (lb·ft/s)", "value": "lbfts" }, { "label": "Slug foot per second (slug·ft/s)", "value": "slugfts" } ] } ], "outputs": [ { "id": "result", "label": "Converted momentum", "format": "number", "primary": true, "digits": 10 }, { "id": "si", "label": "SI momentum (kg·m/s)", "format": "number", "digits": 8 } ], "formula": { "expression": "SI momentum = value × kg·m/s per source unit; result = SI momentum ÷ target factor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "kgms", "toUnit": "lbfts" } } ], "sources": [] }, { "id": "paper-size-calculator", "version": "7.1.0", "name": "Paper Size Quick Reference", "shortName": "Paper Size Quick Reference", "description": "Find exact millimeter and inch dimensions for international standard paper formats.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "paper", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/paper-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.1.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/paper-size-calculator/", "definition": "/calculator/paper-size-calculator/definition.json", "schema": "/calculator/paper-size-calculator/schema.json", "llms": "/calculator/paper-size-calculator/llms.txt", "legacyDefinition": "/calculator/paper-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/paper-size-calculator/?format=A4", "queryParameters": { "format": { "label": "Format", "type": "select", "required": false, "default": "A4" } }, "inputs": [ { "id": "format", "label": "Format", "type": "select", "defaultValue": "A4" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Look up ISO A-series nominal dimensions in millimeters. For North American formats, millimeters = inches × 25.4; diagram aspect ratio = width / height.", "note": "A-series values are nominal trimmed sizes. Physical manufacturing and printer tolerances may differ." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "format": "A4" } } ], "sources": [ { "label": "Cornell University Library: International Standard Paper Sizes", "url": "https://preservationtutorial.library.cornell.edu/measures/paper-sizes.html" }, { "label": "NIST: SI Units – Length", "url": "https://www.nist.gov/pml/owm/si-units-length" } ] }, { "id": "percent-to-decimal-calculator", "version": "1.0.0", "name": "Percent to Decimal Calculator", "shortName": "Percent to Decimal", "description": "Convert a percentage to decimal form.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "percent", "to", "decimal", "calculator", "percent to decimal calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percent-to-decimal-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percent-to-decimal-calculator/", "definition": "/calculator/percent-to-decimal-calculator/definition.json", "schema": "/calculator/percent-to-decimal-calculator/schema.json", "llms": "/calculator/percent-to-decimal-calculator/llms.txt", "legacyDefinition": "/calculator/percent-to-decimal-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percent-to-decimal-calculator/?percent=25", "queryParameters": { "percent": { "label": "Percent", "type": "number", "required": true, "default": 25 } }, "inputs": [ { "id": "percent", "label": "Percent", "type": "number", "required": true, "defaultValue": 25, "step": 0.0001, "suffix": "%" } ], "outputs": [ { "id": "decimal", "label": "Decimal", "format": "number", "primary": true, "digits": 10 } ], "formula": { "expression": "decimal = percent ÷ 100" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "percent": 25 } } ], "sources": [] }, { "id": "percent-to-fraction-calculator", "version": "1.0.0", "name": "Percent to Fraction Calculator", "shortName": "Percent to Fraction", "description": "Convert a percentage to a simplified fraction and decimal.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "percent", "to", "fraction", "calculator", "percent to fraction calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/percent-to-fraction-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/percent-to-fraction-calculator/", "definition": "/calculator/percent-to-fraction-calculator/definition.json", "schema": "/calculator/percent-to-fraction-calculator/schema.json", "llms": "/calculator/percent-to-fraction-calculator/llms.txt", "legacyDefinition": "/calculator/percent-to-fraction-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/percent-to-fraction-calculator/?percent=12.5", "queryParameters": { "percent": { "label": "Percent", "type": "number", "required": true, "default": 12.5 } }, "inputs": [ { "id": "percent", "label": "Percent", "type": "number", "required": true, "defaultValue": 12.5, "step": 0.000001, "suffix": "%" } ], "outputs": [ { "id": "fraction", "label": "Simplified fraction", "format": "text", "primary": true }, { "id": "decimal", "label": "Decimal", "format": "number", "digits": 10 } ], "formula": { "expression": "fraction = percent ÷ 100, then reduce numerator and denominator by their greatest common divisor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "percent": 12.5 } } ], "sources": [] }, { "id": "pixel-density-calculator", "version": "7.0.0", "name": "Pixel Density", "shortName": "Pixel Density", "description": "Calculate the PPI (Pixels Per Inch) and evaluate the sharpness of any display based on resolution and size.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "pixel", "density" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pixel-density-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pixel-density-calculator/", "definition": "/calculator/pixel-density-calculator/definition.json", "schema": "/calculator/pixel-density-calculator/schema.json", "llms": "/calculator/pixel-density-calculator/llms.txt", "legacyDefinition": "/calculator/pixel-density-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pixel-density-calculator/?width=1920&height=1080&inches=24", "queryParameters": { "width": { "label": "Width (px)", "type": "number", "required": false, "default": 1920 }, "height": { "label": "Height (px)", "type": "number", "required": false, "default": 1080 }, "inches": { "label": "Diagonal Size (inches)", "type": "number", "required": false, "default": 24 } }, "inputs": [ { "id": "width", "label": "Width (px)", "type": "number", "defaultValue": 1920 }, { "id": "height", "label": "Height (px)", "type": "number", "defaultValue": 1080 }, { "id": "inches", "label": "Diagonal Size (inches)", "type": "number", "defaultValue": 24 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Pixels per inch = √(horizontal pixels² + vertical pixels²) ÷ diagonal inches." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "width": 1920, "height": 1080, "inches": 24 } } ], "sources": [] }, { "id": "power-conversion-calculator", "version": "1.0.0", "name": "Power Conversion Calculator", "shortName": "Power Conversion", "description": "Convert power between watts, horsepower, BTU per hour, and foot-pounds per second.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "power", "conversion", "calculator", "power conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/power-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/power-conversion-calculator/", "definition": "/calculator/power-conversion-calculator/definition.json", "schema": "/calculator/power-conversion-calculator/schema.json", "llms": "/calculator/power-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/power-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/power-conversion-calculator/?value=1&fromUnit=hp&toUnit=kW", "queryParameters": { "value": { "label": "Power", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "hp" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "kW" } }, "inputs": [ { "id": "value", "label": "Power", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "hp", "options": [ { "label": "Watt (W)", "value": "W" }, { "label": "Kilowatt (kW)", "value": "kW" }, { "label": "Megawatt (MW)", "value": "MW" }, { "label": "Mechanical horsepower", "value": "hp" }, { "label": "Metric horsepower", "value": "hpMetric" }, { "label": "BTU per hour", "value": "BTUh" }, { "label": "Foot-pound force per second", "value": "ftlbs" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "kW", "options": [ { "label": "Watt (W)", "value": "W" }, { "label": "Kilowatt (kW)", "value": "kW" }, { "label": "Megawatt (MW)", "value": "MW" }, { "label": "Mechanical horsepower", "value": "hp" }, { "label": "Metric horsepower", "value": "hpMetric" }, { "label": "BTU per hour", "value": "BTUh" }, { "label": "Foot-pound force per second", "value": "ftlbs" } ] } ], "outputs": [ { "id": "result", "label": "Converted power", "format": "number", "primary": true, "digits": 10 }, { "id": "watts", "label": "Equivalent watts", "format": "number", "digits": 8 } ], "formula": { "expression": "watts = value × watts-per-source-unit; result = watts ÷ watts-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "hp", "toUnit": "kW" } } ], "sources": [] }, { "id": "pressure-conversion-calculator", "version": "1.0.0", "name": "Pressure Conversion Calculator", "shortName": "Pressure Conversion", "description": "Convert pressure between pascals, bar, atmospheres, psi, torr, and millimeters of mercury.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "pressure", "conversion", "calculator", "pressure conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pressure-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pressure-conversion-calculator/", "definition": "/calculator/pressure-conversion-calculator/definition.json", "schema": "/calculator/pressure-conversion-calculator/schema.json", "llms": "/calculator/pressure-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/pressure-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pressure-conversion-calculator/?value=1&fromUnit=atm&toUnit=psi", "queryParameters": { "value": { "label": "Pressure", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "atm" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "psi" } }, "inputs": [ { "id": "value", "label": "Pressure", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "atm", "options": [ { "label": "Pascal (Pa)", "value": "Pa" }, { "label": "Kilopascal (kPa)", "value": "kPa" }, { "label": "Megapascal (MPa)", "value": "MPa" }, { "label": "Bar", "value": "bar" }, { "label": "Standard atmosphere (atm)", "value": "atm" }, { "label": "Pound per square inch (psi)", "value": "psi" }, { "label": "Torr", "value": "torr" }, { "label": "Millimeter of mercury (mmHg)", "value": "mmHg" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "psi", "options": [ { "label": "Pascal (Pa)", "value": "Pa" }, { "label": "Kilopascal (kPa)", "value": "kPa" }, { "label": "Megapascal (MPa)", "value": "MPa" }, { "label": "Bar", "value": "bar" }, { "label": "Standard atmosphere (atm)", "value": "atm" }, { "label": "Pound per square inch (psi)", "value": "psi" }, { "label": "Torr", "value": "torr" }, { "label": "Millimeter of mercury (mmHg)", "value": "mmHg" } ] } ], "outputs": [ { "id": "result", "label": "Converted pressure", "format": "number", "primary": true, "digits": 10 }, { "id": "pascals", "label": "Equivalent pascals", "format": "number", "digits": 6 } ], "formula": { "expression": "pascals = value × pascals-per-source-unit; result = pascals ÷ pascals-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "atm", "toUnit": "psi" } } ], "sources": [] }, { "id": "ring-size-calculator", "version": "7.0.0", "name": "Ring Size Finder", "shortName": "Ring Size Finder", "description": "Convert physical ring diameter measurements into standard US Ring Sizes for accurate jewelry shopping.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "ring", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ring-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/ring-size-calculator/", "definition": "/calculator/ring-size-calculator/definition.json", "schema": "/calculator/ring-size-calculator/schema.json", "llms": "/calculator/ring-size-calculator/llms.txt", "legacyDefinition": "/calculator/ring-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ring-size-calculator/?diameter=16.5", "queryParameters": { "diameter": { "label": "Inside Diameter (mm)", "type": "number", "required": false, "default": 16.5 } }, "inputs": [ { "id": "diameter", "label": "Inside Diameter (mm)", "type": "number", "defaultValue": 16.5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The measured inside diameter or circumference is mapped to the nearest published U.S. ring-size interval." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "diameter": 16.5 } } ], "sources": [] }, { "id": "roman-numeral-converter", "version": "7.0.0", "name": "Roman Numerals", "shortName": "Roman Numerals", "description": "Seamlessly convert between standard Arabic numerals and classical Roman numeral notations.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "roman", "numeral" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/roman-numeral-converter.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/roman-numeral-converter/", "definition": "/calculator/roman-numeral-converter/definition.json", "schema": "/calculator/roman-numeral-converter/schema.json", "llms": "/calculator/roman-numeral-converter/llms.txt", "legacyDefinition": "/calculator/roman-numeral-converter.json" }, "queryExample": "https://askcalculators.com/calculator/roman-numeral-converter/?number=2024&mode=toRoman", "queryParameters": { "number": { "label": "Decimal Number (1-3999)", "type": "number", "required": false, "default": 2024 }, "roman": { "label": "Roman Symbols", "type": "text", "required": false, "default": "" }, "mode": { "label": "Mode", "type": "select", "required": false, "default": "toRoman" } }, "inputs": [ { "id": "number", "label": "Decimal Number (1-3999)", "type": "number", "defaultValue": 2024 }, { "id": "roman", "label": "Roman Symbols", "type": "text", "defaultValue": "" }, { "id": "mode", "label": "Mode", "type": "select", "defaultValue": "toRoman" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Decimal-to-Roman uses descending numeral values; Roman-to-decimal subtracts a value when it precedes a larger value." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "number": 2024, "roman": "", "mode": "toRoman" } } ], "sources": [] }, { "id": "shoe-size-conversion", "version": "7.0.0", "name": "Shoe Size Converter", "shortName": "Shoe Size", "description": "Convert shoe sizes between US, UK, and EU standards.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "shoe", "size", "conversion" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/shoe-size-conversion.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/shoe-size-conversion/", "definition": "/calculator/shoe-size-conversion/definition.json", "schema": "/calculator/shoe-size-conversion/schema.json", "llms": "/calculator/shoe-size-conversion/llms.txt", "legacyDefinition": "/calculator/shoe-size-conversion.json" }, "queryExample": "https://askcalculators.com/calculator/shoe-size-conversion/?size=9®ion=us&gender=men", "queryParameters": { "size": { "label": "Current Size", "type": "number", "required": false, "default": 9 }, "region": { "label": "Region", "type": "text", "required": false, "default": "us" }, "gender": { "label": "Gender", "type": "select", "required": false, "default": "men" } }, "inputs": [ { "id": "size", "label": "Current Size", "type": "number", "defaultValue": 9 }, { "id": "region", "label": "Region", "type": "text", "defaultValue": "us" }, { "id": "gender", "label": "Gender", "type": "select", "defaultValue": "men" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "The entered size is converted through the calculator’s published regional size-offset table." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "size": 9, "region": "us", "gender": "men" } } ], "sources": [] }, { "id": "skateboard-size-calculator", "version": "7.0.0", "name": "Skateboard Size Calculator", "shortName": "Skateboard Size", "description": "Calculate recommended deck width based on your shoe size.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "skateboard", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/skateboard-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/skateboard-size-calculator/", "definition": "/calculator/skateboard-size-calculator/definition.json", "schema": "/calculator/skateboard-size-calculator/schema.json", "llms": "/calculator/skateboard-size-calculator/llms.txt", "legacyDefinition": "/calculator/skateboard-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/skateboard-size-calculator/?shoeSize=9", "queryParameters": { "shoeSize": { "label": "Shoe Size (US Men)", "type": "number", "required": false, "default": 9 } }, "inputs": [ { "id": "shoeSize", "label": "Shoe Size (US Men)", "type": "number", "defaultValue": 9 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Suggested deck width is selected from rider shoe size and use category." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "shoeSize": 9 } } ], "sources": [] }, { "id": "ski-size-calculator", "version": "7.0.0", "name": "Ski Size Calculator", "shortName": "Ski Size", "description": "Calculate recommended ski length based on height and skill level.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "ski", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/ski-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/ski-size-calculator/", "definition": "/calculator/ski-size-calculator/definition.json", "schema": "/calculator/ski-size-calculator/schema.json", "llms": "/calculator/ski-size-calculator/llms.txt", "legacyDefinition": "/calculator/ski-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/ski-size-calculator/?level=intermediate&height=175", "queryParameters": { "level": { "label": "Level", "type": "select", "required": false, "default": "intermediate" }, "height": { "label": "Height (cm)", "type": "number", "required": false, "default": 175 } }, "inputs": [ { "id": "level", "label": "Level", "type": "select", "defaultValue": "intermediate" }, { "id": "height", "label": "Height (cm)", "type": "number", "defaultValue": 175 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Suggested ski length is derived from height and adjusted by experience and use selection." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "level": "intermediate", "height": 175 } } ], "sources": [] }, { "id": "snowboard-size-calculator", "version": "7.0.0", "name": "Snowboard Size Calculator", "shortName": "Snowboard Size", "description": "Calculate target snowboard length based on your measurements.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "snowboard", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/snowboard-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/snowboard-size-calculator/", "definition": "/calculator/snowboard-size-calculator/definition.json", "schema": "/calculator/snowboard-size-calculator/schema.json", "llms": "/calculator/snowboard-size-calculator/llms.txt", "legacyDefinition": "/calculator/snowboard-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/snowboard-size-calculator/?height=175&weight=75", "queryParameters": { "height": { "label": "Height (cm)", "type": "number", "required": false, "default": 175 }, "weight": { "label": "Weight (kg)", "type": "number", "required": false, "default": 75 } }, "inputs": [ { "id": "height", "label": "Height (cm)", "type": "number", "defaultValue": 175 }, { "id": "weight", "label": "Weight (kg)", "type": "number", "defaultValue": 75 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Suggested board length is derived from height/weight and adjusted by riding style." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "height": 175, "weight": 75 } } ], "sources": [] }, { "id": "speed-conversion-calculator", "version": "1.0.0", "name": "Speed Conversion Calculator", "shortName": "Speed Conversion", "description": "Convert speed between metric, imperial, nautical, and Mach units.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "speed", "conversion", "calculator", "speed conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/speed-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/speed-conversion-calculator/", "definition": "/calculator/speed-conversion-calculator/definition.json", "schema": "/calculator/speed-conversion-calculator/schema.json", "llms": "/calculator/speed-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/speed-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/speed-conversion-calculator/?value=60&fromUnit=mph&toUnit=kph", "queryParameters": { "value": { "label": "Speed", "type": "number", "required": true, "default": 60 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "mph" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "kph" } }, "inputs": [ { "id": "value", "label": "Speed", "type": "number", "required": true, "defaultValue": 60, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "mph", "options": [ { "label": "Meters per second", "value": "mps" }, { "label": "Kilometers per hour", "value": "kph" }, { "label": "Miles per hour", "value": "mph" }, { "label": "Feet per second", "value": "fps" }, { "label": "Knot", "value": "knot" }, { "label": "Mach at standard atmosphere", "value": "mach" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "kph", "options": [ { "label": "Meters per second", "value": "mps" }, { "label": "Kilometers per hour", "value": "kph" }, { "label": "Miles per hour", "value": "mph" }, { "label": "Feet per second", "value": "fps" }, { "label": "Knot", "value": "knot" }, { "label": "Mach at standard atmosphere", "value": "mach" } ] } ], "outputs": [ { "id": "result", "label": "Converted speed", "format": "number", "primary": true, "digits": 10 }, { "id": "metersPerSecond", "label": "Meters per second", "format": "number", "digits": 8 } ], "formula": { "expression": "m/s = value × meters-per-second factor; result = m/s ÷ target factor" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 60, "fromUnit": "mph", "toUnit": "kph" } } ], "sources": [] }, { "id": "square-feet-to-square-meters-calculator", "version": "1.0.0", "name": "Square Feet to Square Meters Calculator", "shortName": "Square Feet to Square Meters", "description": "Convert area from square feet to square meters.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "square", "feet", "to", "meters", "calculator", "square feet to square meters calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/square-feet-to-square-meters-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/square-feet-to-square-meters-calculator/", "definition": "/calculator/square-feet-to-square-meters-calculator/definition.json", "schema": "/calculator/square-feet-to-square-meters-calculator/schema.json", "llms": "/calculator/square-feet-to-square-meters-calculator/llms.txt", "legacyDefinition": "/calculator/square-feet-to-square-meters-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/square-feet-to-square-meters-calculator/?squareFeet=100", "queryParameters": { "squareFeet": { "label": "Square feet (ft²)", "type": "number", "required": true, "default": 100 } }, "inputs": [ { "id": "squareFeet", "label": "Square feet (ft²)", "type": "number", "required": true, "defaultValue": 100, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "squareMeters", "label": "Square meters (m²)", "format": "number", "primary": true, "digits": 8 } ], "formula": { "expression": "square meters = square feet × 0.09290304" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "squareFeet": 100 } } ], "sources": [] }, { "id": "square-meters-to-square-feet-calculator", "version": "1.0.0", "name": "Square Meters to Square Feet Calculator", "shortName": "Square Meters to Square Feet", "description": "Convert area from square meters to square feet.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "square", "meters", "to", "feet", "calculator", "square meters to square feet calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/square-meters-to-square-feet-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/square-meters-to-square-feet-calculator/", "definition": "/calculator/square-meters-to-square-feet-calculator/definition.json", "schema": "/calculator/square-meters-to-square-feet-calculator/schema.json", "llms": "/calculator/square-meters-to-square-feet-calculator/llms.txt", "legacyDefinition": "/calculator/square-meters-to-square-feet-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/square-meters-to-square-feet-calculator/?squareMeters=10", "queryParameters": { "squareMeters": { "label": "Square meters (m²)", "type": "number", "required": true, "default": 10 } }, "inputs": [ { "id": "squareMeters", "label": "Square meters (m²)", "type": "number", "required": true, "defaultValue": 10, "min": 0, "step": 0.001 } ], "outputs": [ { "id": "squareFeet", "label": "Square feet (ft²)", "format": "number", "primary": true, "digits": 8 } ], "formula": { "expression": "square feet = square meters ÷ 0.09290304" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "squareMeters": 10 } } ], "sources": [] }, { "id": "surfboard-size-calculator", "version": "7.0.0", "name": "Surfboard Volume Calculator", "shortName": "Surfboard Volume", "description": "Calculate your ideal surfboard volume based on weight and experience level.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "surfboard", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/surfboard-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/surfboard-size-calculator/", "definition": "/calculator/surfboard-size-calculator/definition.json", "schema": "/calculator/surfboard-size-calculator/schema.json", "llms": "/calculator/surfboard-size-calculator/llms.txt", "legacyDefinition": "/calculator/surfboard-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/surfboard-size-calculator/?level=intermediate&weight=75", "queryParameters": { "level": { "label": "Level", "type": "select", "required": false, "default": "intermediate" }, "weight": { "label": "Body Weight (kg)", "type": "number", "required": false, "default": 75 } }, "inputs": [ { "id": "level", "label": "Level", "type": "select", "defaultValue": "intermediate" }, { "id": "weight", "label": "Body Weight (kg)", "type": "number", "defaultValue": 75 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Suggested board volume and length are estimated from body weight, skill, and board style." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "level": "intermediate", "weight": 75 } } ], "sources": [] }, { "id": "troy-weight-conversion-calculator", "version": "1.0.0", "name": "Troy Weight Conversion Calculator", "shortName": "Troy Weight Conversion", "description": "Convert precious-metal weights between grains, pennyweights, troy ounces, troy pounds, grams, and kilograms.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "troy", "weight", "conversion", "calculator", "troy weight conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/troy-weight-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/troy-weight-conversion-calculator/", "definition": "/calculator/troy-weight-conversion-calculator/definition.json", "schema": "/calculator/troy-weight-conversion-calculator/schema.json", "llms": "/calculator/troy-weight-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/troy-weight-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/troy-weight-conversion-calculator/?value=1&fromUnit=ozt&toUnit=g", "queryParameters": { "value": { "label": "Weight", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "ozt" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "g" } }, "inputs": [ { "id": "value", "label": "Weight", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "ozt", "options": [ { "label": "Grain", "value": "grain" }, { "label": "Pennyweight (dwt)", "value": "dwt" }, { "label": "Troy ounce (ozt)", "value": "ozt" }, { "label": "Troy pound", "value": "lbt" }, { "label": "Gram", "value": "g" }, { "label": "Kilogram", "value": "kg" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "g", "options": [ { "label": "Grain", "value": "grain" }, { "label": "Pennyweight (dwt)", "value": "dwt" }, { "label": "Troy ounce (ozt)", "value": "ozt" }, { "label": "Troy pound", "value": "lbt" }, { "label": "Gram", "value": "g" }, { "label": "Kilogram", "value": "kg" } ] } ], "outputs": [ { "id": "result", "label": "Converted weight", "format": "number", "primary": true, "digits": 10 }, { "id": "grams", "label": "Equivalent grams", "format": "number", "digits": 8 } ], "formula": { "expression": "grams = value × grams-per-source-unit; result = grams ÷ grams-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "ozt", "toUnit": "g" } } ], "sources": [] }, { "id": "tv-size-calculator", "version": "1.0.0", "name": "TV Size & Viewing Distance Calculator", "shortName": "TV Viewing Distance", "description": "Estimate a practical viewing-distance range from TV size and resolution.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "tv viewing distance", "television size", "4k viewing distance", "1080p viewing distance", "screen distance" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/tv-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Viewing-distance guidance varies by source and viewing preference. Use this result as a planning estimate.", "urls": { "page": "/calculator/tv-size-calculator/", "definition": "/calculator/tv-size-calculator/definition.json", "schema": "/calculator/tv-size-calculator/schema.json", "llms": "/calculator/tv-size-calculator/llms.txt", "legacyDefinition": "/calculator/tv-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/tv-size-calculator/?screenSize=55&resolution=4k", "queryParameters": { "screenSize": { "label": "Screen size", "type": "number", "required": true, "default": 55 }, "resolution": { "label": "Resolution", "type": "select", "required": true, "default": "4k" } }, "inputs": [ { "id": "screenSize", "label": "Screen size", "type": "number", "required": true, "defaultValue": 55, "min": 10, "max": 200, "step": 1, "suffix": " in", "control": "slider-number", "width": "full" }, { "id": "resolution", "label": "Resolution", "type": "select", "required": true, "defaultValue": "4k", "options": [ { "label": "4K / UHD", "value": "4k" }, { "label": "1080p / Full HD", "value": "1080p" } ], "width": "full" } ], "outputs": [ { "id": "recommendedRange", "label": "Suggested viewing range", "format": "text", "primary": true }, { "id": "minimumFeet", "label": "Closer distance", "format": "number", "digits": 1, "suffix": " ft" }, { "id": "maximumFeet", "label": "Farther distance", "format": "number", "digits": 1, "suffix": " ft" }, { "id": "minimumMeters", "label": "Closer distance", "format": "number", "digits": 2, "suffix": " m" }, { "id": "maximumMeters", "label": "Farther distance", "format": "number", "digits": 2, "suffix": " m" } ], "formula": { "expression": "Viewing distance = screen diagonal × resolution range", "variables": [ { "symbol": "4K / UHD", "meaning": "1.0× to 1.5× the diagonal" }, { "symbol": "1080p / Full HD", "meaning": "1.5× to 2.5× the diagonal" } ], "note": "This is a general planning range. Room layout, eyesight, content, and preferred field of view can change the best distance." }, "examples": [ { "label": "55-inch 4K TV", "inputs": { "screenSize": 55, "resolution": "4k" } } ], "sources": [ { "label": "Sony — Recommended viewing distance for watching TV", "url": "https://www.sony.com/electronics/support/articles/00008601" }, { "label": "Samsung — Recommended viewing distance for your TV", "url": "https://www.samsung.com/ae/support/tv-audio-video/recommended-viewing-distance-for-your-tv/" } ] }, { "id": "volume-conversion-calculator", "version": "1.0.0", "name": "Volume Conversion Calculator", "shortName": "Volume Conversion", "description": "Convert liquid and solid volume across metric, US customary, and cubic units.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "volume", "conversion", "calculator", "volume conversion calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/volume-conversion-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/volume-conversion-calculator/", "definition": "/calculator/volume-conversion-calculator/definition.json", "schema": "/calculator/volume-conversion-calculator/schema.json", "llms": "/calculator/volume-conversion-calculator/llms.txt", "legacyDefinition": "/calculator/volume-conversion-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/volume-conversion-calculator/?value=1&fromUnit=gal&toUnit=l", "queryParameters": { "value": { "label": "Volume", "type": "number", "required": true, "default": 1 }, "fromUnit": { "label": "From unit", "type": "select", "required": true, "default": "gal" }, "toUnit": { "label": "To unit", "type": "select", "required": true, "default": "l" } }, "inputs": [ { "id": "value", "label": "Volume", "type": "number", "required": true, "defaultValue": 1, "step": 0.000001 }, { "id": "fromUnit", "label": "From unit", "type": "select", "required": true, "defaultValue": "gal", "options": [ { "label": "Milliliter", "value": "ml" }, { "label": "Liter", "value": "l" }, { "label": "Cubic meter", "value": "m3" }, { "label": "Teaspoon (US)", "value": "tsp" }, { "label": "Tablespoon (US)", "value": "tbsp" }, { "label": "Fluid ounce (US)", "value": "floz" }, { "label": "Cup (US)", "value": "cup" }, { "label": "Pint (US)", "value": "pt" }, { "label": "Quart (US)", "value": "qt" }, { "label": "Gallon (US)", "value": "gal" }, { "label": "Cubic inch", "value": "in3" }, { "label": "Cubic foot", "value": "ft3" }, { "label": "Cubic yard", "value": "yd3" } ] }, { "id": "toUnit", "label": "To unit", "type": "select", "required": true, "defaultValue": "l", "options": [ { "label": "Milliliter", "value": "ml" }, { "label": "Liter", "value": "l" }, { "label": "Cubic meter", "value": "m3" }, { "label": "Teaspoon (US)", "value": "tsp" }, { "label": "Tablespoon (US)", "value": "tbsp" }, { "label": "Fluid ounce (US)", "value": "floz" }, { "label": "Cup (US)", "value": "cup" }, { "label": "Pint (US)", "value": "pt" }, { "label": "Quart (US)", "value": "qt" }, { "label": "Gallon (US)", "value": "gal" }, { "label": "Cubic inch", "value": "in3" }, { "label": "Cubic foot", "value": "ft3" }, { "label": "Cubic yard", "value": "yd3" } ] } ], "outputs": [ { "id": "result", "label": "Converted volume", "format": "number", "primary": true, "digits": 10 }, { "id": "liters", "label": "Equivalent liters", "format": "number", "digits": 8 } ], "formula": { "expression": "liters = value × liters-per-source-unit; result = liters ÷ liters-per-target-unit" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "value": 1, "fromUnit": "gal", "toUnit": "l" } } ], "sources": [] }, { "id": "wetsuit-size-calculator", "version": "7.0.0", "name": "Wetsuit Size Calculator", "shortName": "Wetsuit Size", "description": "Get a recommended wetsuit size based on your height and weight.", "category": "Conversions & Sizes", "categorySlug": "conversions", "keywords": [ "wetsuit", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/wetsuit-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Sizing charts differ by brand and region; compare the result with the seller or manufacturer chart.", "urls": { "page": "/calculator/wetsuit-size-calculator/", "definition": "/calculator/wetsuit-size-calculator/definition.json", "schema": "/calculator/wetsuit-size-calculator/schema.json", "llms": "/calculator/wetsuit-size-calculator/llms.txt", "legacyDefinition": "/calculator/wetsuit-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/wetsuit-size-calculator/?height=175&weight=75", "queryParameters": { "height": { "label": "Height (cm)", "type": "number", "required": false, "default": 175 }, "weight": { "label": "Weight (kg)", "type": "number", "required": false, "default": 75 } }, "inputs": [ { "id": "height", "label": "Height (cm)", "type": "number", "defaultValue": 175 }, { "id": "weight", "label": "Weight (kg)", "type": "number", "defaultValue": 75 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Height, weight, chest, and waist are mapped to the calculator’s published general wetsuit ranges." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "height": 175, "weight": 75 } } ], "sources": [] }, { "id": "grade-calculator", "version": "7.0.0", "name": "Final Grade Calculator", "shortName": "Final Grade", "description": "Determine the score you need on your final exam to achieve your target overall grade.", "category": "Education", "categorySlug": "education", "keywords": [ "grade" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/grade-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/grade-calculator/", "definition": "/calculator/grade-calculator/definition.json", "schema": "/calculator/grade-calculator/schema.json", "llms": "/calculator/grade-calculator/llms.txt", "legacyDefinition": "/calculator/grade-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/grade-calculator/?currentGrade=85&targetGrade=90&finalWeight=20", "queryParameters": { "currentGrade": { "label": "Current Grade (%)", "type": "number", "required": false, "default": 85 }, "targetGrade": { "label": "Target Grade (%)", "type": "number", "required": false, "default": 90 }, "finalWeight": { "label": "Final Weight (%)", "type": "number", "required": false, "default": 20 } }, "inputs": [ { "id": "currentGrade", "label": "Current Grade (%)", "type": "number", "defaultValue": 85 }, { "id": "targetGrade", "label": "Target Grade (%)", "type": "number", "defaultValue": 90 }, { "id": "finalWeight", "label": "Final Weight (%)", "type": "number", "defaultValue": 20 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Weighted grade = sum of each score × its weight ÷ sum of weights; required final score solves the same weighted-average equation." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "currentGrade": 85, "targetGrade": 90, "finalWeight": 20 } } ], "sources": [] }, { "id": "gpa-calculator", "version": "7.0.0", "name": "GPA Calculator", "shortName": "GPA", "description": "Calculate your weighted Grade Point Average based on course credits and grades.", "category": "Education", "categorySlug": "education", "keywords": [ "gpa" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gpa-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/gpa-calculator/", "definition": "/calculator/gpa-calculator/definition.json", "schema": "/calculator/gpa-calculator/schema.json", "llms": "/calculator/gpa-calculator/llms.txt", "legacyDefinition": "/calculator/gpa-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gpa-calculator/?credits=3&grade=A", "queryParameters": { "credits": { "label": "Credits", "type": "number", "required": false, "default": 3 }, "grade": { "label": "Grade", "type": "text", "required": false, "default": "A" } }, "inputs": [ { "id": "credits", "label": "Credits", "type": "number", "defaultValue": 3 }, { "id": "grade", "label": "Grade", "type": "text", "defaultValue": "A" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "GPA = sum of grade points × course credits ÷ total credits." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "credits": 3, "grade": "A" } } ], "sources": [] }, { "id": "weighted-grade-calculator", "version": "1.0.0", "name": "Weighted Grade Calculator", "shortName": "Weighted Grade", "description": "Calculate a course grade from matching lists of assessment scores and weights.", "category": "Education", "categorySlug": "education", "keywords": [ "weighted", "grade", "calculator", "weighted grade calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/weighted-grade-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/weighted-grade-calculator/", "definition": "/calculator/weighted-grade-calculator/definition.json", "schema": "/calculator/weighted-grade-calculator/schema.json", "llms": "/calculator/weighted-grade-calculator/llms.txt", "legacyDefinition": "/calculator/weighted-grade-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/weighted-grade-calculator/?scores=85%2C+90%2C+78%2C+92&weights=20%2C+10%2C+30%2C+40", "queryParameters": { "scores": { "label": "Scores (%)", "type": "text", "required": true, "default": "85, 90, 78, 92" }, "weights": { "label": "Weights (%)", "type": "text", "required": true, "default": "20, 10, 30, 40" } }, "inputs": [ { "id": "scores", "label": "Scores (%)", "type": "text", "required": true, "defaultValue": "85, 90, 78, 92", "placeholder": "Example: 85, 90, 78" }, { "id": "weights", "label": "Weights (%)", "type": "text", "required": true, "defaultValue": "20, 10, 30, 40", "placeholder": "Example: 20, 10, 30" } ], "outputs": [ { "id": "weightedGrade", "label": "Weighted grade", "format": "percent", "primary": true, "digits": 2 }, { "id": "letterGrade", "label": "Letter grade", "format": "text" }, { "id": "totalWeight", "label": "Total weight entered", "format": "percent", "digits": 2 }, { "id": "weightedPoints", "label": "Weighted points", "format": "number", "digits": 4 } ], "formula": { "expression": "weighted grade = Σ(score × weight) ÷ Σ(weight)" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "scores": "85, 90, 78, 92", "weights": "20, 10, 30, 40" } } ], "sources": [] }, { "id": "quarter-mile-calculator", "version": "7.0.0", "name": "Drag Performance", "shortName": "Drag Performance", "description": "Estimate your vehicle's 1/4 mile elapsed time (ET) and terminal trap speed based on power-to-weight ratio.", "category": "Vehicles & Travel", "categorySlug": "vehicles-travel", "keywords": [ "quarter", "mile" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/quarter-mile-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "General estimate; actual results depend on conditions not represented by the entered inputs.", "urls": { "page": "/calculator/quarter-mile-calculator/", "definition": "/calculator/quarter-mile-calculator/definition.json", "schema": "/calculator/quarter-mile-calculator/schema.json", "llms": "/calculator/quarter-mile-calculator/llms.txt", "legacyDefinition": "/calculator/quarter-mile-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/quarter-mile-calculator/?weight=3500&power=400", "queryParameters": { "weight": { "label": "Total Weight (lbs)", "type": "number", "required": false, "default": 3500 }, "power": { "label": "Flywheel Power (HP)", "type": "number", "required": false, "default": 400 } }, "inputs": [ { "id": "weight", "label": "Total Weight (lbs)", "type": "number", "defaultValue": 3500 }, { "id": "power", "label": "Flywheel Power (HP)", "type": "number", "defaultValue": 400 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Estimated elapsed time and trap speed use empirical power-to-weight drag-racing equations." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "weight": 3500, "power": 400 } } ], "sources": [] }, { "id": "fuel-cost-calculator", "version": "1.0.0", "name": "Fuel Cost Calculator", "shortName": "Fuel cost", "description": "Estimate fuel used and trip cost from distance, efficiency, and fuel price.", "category": "Vehicles & Travel", "categorySlug": "vehicles-travel", "keywords": [ "trip fuel cost", "gas cost", "mpg trip", "liters per 100 km" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fuel-cost-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/fuel-cost-calculator/", "definition": "/calculator/fuel-cost-calculator/definition.json", "schema": "/calculator/fuel-cost-calculator/schema.json", "llms": "/calculator/fuel-cost-calculator/llms.txt", "legacyDefinition": "/calculator/fuel-cost-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fuel-cost-calculator/?efficiencyType=mpg&distance=300&efficiency=30&fuelPrice=3.5", "queryParameters": { "efficiencyType": { "label": "Efficiency format", "type": "select", "required": true, "default": "mpg" }, "distance": { "label": "Trip distance", "type": "number", "required": true, "default": 300 }, "efficiency": { "label": "Fuel efficiency", "type": "number", "required": true, "default": 30 }, "fuelPrice": { "label": "Fuel price per gallon or liter", "type": "money", "required": true, "default": 3.5 } }, "inputs": [ { "id": "efficiencyType", "label": "Efficiency format", "type": "select", "required": true, "defaultValue": "mpg", "options": [ { "label": "Miles per gallon (US)", "value": "mpg" }, { "label": "Liters per 100 km", "value": "l100km" } ], "width": "full" }, { "id": "distance", "label": "Trip distance", "type": "number", "required": true, "defaultValue": 300, "min": 0, "step": 0.1, "help": "Miles for MPG; kilometers for L/100 km", "width": "half" }, { "id": "efficiency", "label": "Fuel efficiency", "type": "number", "required": true, "defaultValue": 30, "min": 0.000001, "step": 0.1, "help": "MPG or L/100 km", "width": "half" }, { "id": "fuelPrice", "label": "Fuel price per gallon or liter", "type": "money", "required": true, "defaultValue": 3.5, "min": 0, "step": 0.01, "width": "full" } ], "outputs": [ { "id": "totalCost", "label": "Trip fuel cost", "format": "currency", "primary": true }, { "id": "fuelNeeded", "label": "Fuel needed", "format": "number" }, { "id": "fuelUnit", "label": "Fuel unit", "format": "text" }, { "id": "costPer100Distance", "label": "Cost per 100 distance units", "format": "currency" } ], "formula": { "expression": "MPG: fuel = distance ÷ MPG; metric: fuel = distance × L/100 km ÷ 100" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "efficiencyType": "mpg", "distance": 300, "efficiency": 30, "fuelPrice": 3.5 } } ], "sources": [] }, { "id": "gas-mileage-calculator", "version": "1.0.0", "name": "Gas Mileage Calculator", "shortName": "Gas mileage", "description": "Convert a trip into MPG, liters per 100 km, and kilometers per liter.", "category": "Vehicles & Travel", "categorySlug": "vehicles-travel", "keywords": [ "mpg calculator", "fuel economy", "liters per 100km", "km per liter" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/gas-mileage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/gas-mileage-calculator/", "definition": "/calculator/gas-mileage-calculator/definition.json", "schema": "/calculator/gas-mileage-calculator/schema.json", "llms": "/calculator/gas-mileage-calculator/llms.txt", "legacyDefinition": "/calculator/gas-mileage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/gas-mileage-calculator/?inputSystem=us&distance=360&fuelUsed=12", "queryParameters": { "inputSystem": { "label": "Input units", "type": "select", "required": true, "default": "us" }, "distance": { "label": "Distance traveled", "type": "number", "required": true, "default": 360 }, "fuelUsed": { "label": "Fuel used", "type": "number", "required": true, "default": 12 } }, "inputs": [ { "id": "inputSystem", "label": "Input units", "type": "select", "required": true, "defaultValue": "us", "options": [ { "label": "Miles and US gallons", "value": "us" }, { "label": "Kilometers and liters", "value": "metric" } ], "width": "full" }, { "id": "distance", "label": "Distance traveled", "type": "number", "required": true, "defaultValue": 360, "min": 0.000001, "step": 0.1, "width": "half" }, { "id": "fuelUsed", "label": "Fuel used", "type": "number", "required": true, "defaultValue": 12, "min": 0.000001, "step": 0.01, "width": "half" } ], "outputs": [ { "id": "mpg", "label": "Miles per US gallon", "format": "number", "digits": 2, "primary": true }, { "id": "litersPer100Km", "label": "Liters per 100 km", "format": "number", "digits": 2 }, { "id": "kmPerLiter", "label": "Kilometers per liter", "format": "number", "digits": 2 } ], "formula": { "expression": "MPG = miles ÷ gallons; L/100 km = 235.214583 ÷ MPG" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "inputSystem": "us", "distance": 360, "fuelUsed": 12 } } ], "sources": [] }, { "id": "mileage-calculator", "version": "7.0.0", "name": "Mileage Reimbursement", "shortName": "Mileage Reimbursement", "description": "Calculate reimbursement from business miles and an editable per-mile rate, defaulted to the current 2026 U.S. business rate.", "category": "Vehicles & Travel", "categorySlug": "vehicles-travel", "keywords": [ "mileage" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/mileage-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-listed", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/mileage-calculator/", "definition": "/calculator/mileage-calculator/definition.json", "schema": "/calculator/mileage-calculator/schema.json", "llms": "/calculator/mileage-calculator/llms.txt", "legacyDefinition": "/calculator/mileage-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/mileage-calculator/?startOdo=10000&endOdo=10150&rate=0.76", "queryParameters": { "startOdo": { "label": "Start Odometer", "type": "number", "required": false, "default": 10000 }, "endOdo": { "label": "End Odometer", "type": "number", "required": false, "default": 10150 }, "rate": { "label": "Reimbursement Rate ($/mile)", "type": "number", "required": false, "default": 0.76 } }, "inputs": [ { "id": "startOdo", "label": "Start Odometer", "type": "number", "defaultValue": 10000 }, { "id": "endOdo", "label": "End Odometer", "type": "number", "defaultValue": 10150 }, { "id": "rate", "label": "Reimbursement Rate ($/mile)", "type": "number", "defaultValue": 0.76, "help": "Default: 2026 U.S. business rate for July 1–December 31. Enter the rate that applies to your trip." } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Mileage reimbursement = business miles × entered rate per mile." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "startOdo": 10000, "endOdo": 10150, "rate": 0.76 } } ], "sources": [ { "label": "IRS standard mileage rates", "url": "https://www.irs.gov/tax-professionals/standard-mileage-rates" } ] }, { "id": "tire-size-calculator", "version": "7.0.0", "name": "Tire Size Calculator", "shortName": "Tire Size", "description": "Calculate exact tire dimensions from standard sidewall codes.", "category": "Vehicles & Travel", "categorySlug": "vehicles-travel", "keywords": [ "tire", "size" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/tire-size-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/tire-size-calculator/", "definition": "/calculator/tire-size-calculator/definition.json", "schema": "/calculator/tire-size-calculator/schema.json", "llms": "/calculator/tire-size-calculator/llms.txt", "legacyDefinition": "/calculator/tire-size-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/tire-size-calculator/?width=225&ratio=45&diameter=17", "queryParameters": { "width": { "label": "Width (mm)", "type": "number", "required": false, "default": 225 }, "ratio": { "label": "Aspect Ratio", "type": "number", "required": false, "default": 45 }, "diameter": { "label": "Diameter (in)", "type": "number", "required": false, "default": 17 } }, "inputs": [ { "id": "width", "label": "Width (mm)", "type": "number", "defaultValue": 225 }, { "id": "ratio", "label": "Aspect Ratio", "type": "number", "defaultValue": 45 }, { "id": "diameter", "label": "Diameter (in)", "type": "number", "defaultValue": 17 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Sidewall = width × aspect ratio; overall diameter = wheel diameter + 2×sidewall; circumference = π×diameter; speed difference follows circumference ratio." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "width": 225, "ratio": 45, "diameter": 17 } } ], "sources": [] }, { "id": "dice-roller", "version": "7.0.0", "name": "Dice Roller", "shortName": "Dice Roller", "description": "Roll reproducible virtual dice using a saved seed.", "category": "Lifestyle", "categorySlug": "lifestyle", "keywords": [ "dice", "roller" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/dice-roller.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/dice-roller/", "definition": "/calculator/dice-roller/definition.json", "schema": "/calculator/dice-roller/schema.json", "llms": "/calculator/dice-roller/llms.txt", "legacyDefinition": "/calculator/dice-roller.json" }, "queryExample": "https://askcalculators.com/calculator/dice-roller/?sides=6&count=1&seed=askcalculators", "queryParameters": { "sides": { "label": "Sides", "type": "select", "required": false, "default": "6" }, "count": { "label": "Count", "type": "number", "required": false, "default": 1 }, "seed": { "label": "Seed", "type": "text", "required": true, "default": "askcalculators" } }, "inputs": [ { "id": "sides", "label": "Sides", "type": "select", "defaultValue": "6" }, { "id": "count", "label": "Count", "type": "number", "defaultValue": 1 }, { "id": "seed", "label": "Seed", "type": "text", "defaultValue": "askcalculators", "required": true, "help": "Same dice settings and seed produce the same roll." } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "A seeded pseudorandom sequence maps uniformly to integers from 1 through the selected number of sides." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "sides": "6", "count": 1, "seed": "askcalculators" } } ], "sources": [] }, { "id": "golf-handicap-calculator", "version": "7.0.0", "name": "Golf Handicap", "shortName": "Golf Handicap", "description": "Calculate your handicap differential for a single round of golf.", "category": "Lifestyle", "categorySlug": "lifestyle", "keywords": [ "golf", "handicap" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/golf-handicap-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/golf-handicap-calculator/", "definition": "/calculator/golf-handicap-calculator/definition.json", "schema": "/calculator/golf-handicap-calculator/schema.json", "llms": "/calculator/golf-handicap-calculator/llms.txt", "legacyDefinition": "/calculator/golf-handicap-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/golf-handicap-calculator/?score=85&rating=72&slope=113", "queryParameters": { "score": { "label": "Gross Score", "type": "number", "required": false, "default": 85 }, "rating": { "label": "Course Rating", "type": "number", "required": false, "default": 72 }, "slope": { "label": "Slope Rating", "type": "number", "required": false, "default": 113 } }, "inputs": [ { "id": "score", "label": "Gross Score", "type": "number", "defaultValue": 85 }, { "id": "rating", "label": "Course Rating", "type": "number", "defaultValue": 72 }, { "id": "slope", "label": "Slope Rating", "type": "number", "defaultValue": 113 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Differential = (adjusted gross score − course rating) × 113 ÷ slope rating; handicap uses the eligible lowest differentials." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "score": 85, "rating": 72, "slope": 113 } } ], "sources": [] }, { "id": "love-calculator", "version": "7.0.0", "name": "Love Compatibility", "shortName": "Love Compatibility", "description": "Discover your potential compatibility score based on the magic of names.", "category": "Lifestyle", "categorySlug": "lifestyle", "keywords": [ "love" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/love-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Entertainment only.", "urls": { "page": "/calculator/love-calculator/", "definition": "/calculator/love-calculator/definition.json", "schema": "/calculator/love-calculator/schema.json", "llms": "/calculator/love-calculator/llms.txt", "legacyDefinition": "/calculator/love-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/love-calculator/?name1=Romeo&name2=Juliet", "queryParameters": { "name1": { "label": "Name 1", "type": "text", "required": false, "default": "Romeo" }, "name2": { "label": "Name 2", "type": "text", "required": false, "default": "Juliet" } }, "inputs": [ { "id": "name1", "label": "Name 1", "type": "text", "defaultValue": "Romeo" }, { "id": "name2", "label": "Name 2", "type": "text", "defaultValue": "Juliet" } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "A deterministic entertainment score is derived from a normalized combination of the two entered names.", "note": "For entertainment only. The same normalized names produce the same score." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "name1": "Romeo", "name2": "Juliet" } } ], "sources": [] }, { "id": "nfl-draft-pick-value-calculator", "version": "1.0.0", "name": "NFL Draft Pick Value Calculator", "shortName": "NFL Draft Pick Value", "description": "Compare packages of NFL draft picks using the traditional draft-pick trade value chart.", "category": "Lifestyle", "categorySlug": "lifestyle", "keywords": [ "nfl", "draft", "pick", "value", "calculator", "nfl draft pick value calculator" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/nfl-draft-pick-value-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-09-01", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Draft-pick charts are informal valuation aids. Teams may use different models and future picks require additional assumptions.", "urls": { "page": "/calculator/nfl-draft-pick-value-calculator/", "definition": "/calculator/nfl-draft-pick-value-calculator/definition.json", "schema": "/calculator/nfl-draft-pick-value-calculator/schema.json", "llms": "/calculator/nfl-draft-pick-value-calculator/llms.txt", "legacyDefinition": "/calculator/nfl-draft-pick-value-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/nfl-draft-pick-value-calculator/?traderAPicks=8%2C+74&traderBPicks=15%2C+46%2C+110", "queryParameters": { "traderAPicks": { "label": "Trader A picks (comma separated)", "type": "text", "required": true, "default": "8, 74" }, "traderBPicks": { "label": "Trader B picks (comma separated)", "type": "text", "required": true, "default": "15, 46, 110" } }, "inputs": [ { "id": "traderAPicks", "label": "Trader A picks (comma separated)", "type": "text", "required": true, "defaultValue": "8, 74", "placeholder": "Example: 8, 74" }, { "id": "traderBPicks", "label": "Trader B picks (comma separated)", "type": "text", "required": true, "defaultValue": "15, 46, 110", "placeholder": "Example: 15, 46, 110" } ], "outputs": [ { "id": "traderATotal", "label": "Trader A total points", "format": "number", "primary": true, "digits": 2 }, { "id": "traderBTotal", "label": "Trader B total points", "format": "number", "digits": 2 }, { "id": "difference", "label": "Point difference", "format": "number", "digits": 2 }, { "id": "advantage", "label": "Higher-value package", "format": "text" }, { "id": "differencePercent", "label": "Difference versus midpoint", "format": "percent", "digits": 2 } ], "formula": { "expression": "package value = sum of chart points assigned to each draft pick" }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "traderAPicks": "8, 74", "traderBPicks": "15, 46, 110" } } ], "sources": [] }, { "id": "tip-calculator", "version": "1.0.0", "name": "Tip Calculator", "shortName": "Tip", "description": "Calculate gratuity, total bill, and an optional split per person.", "category": "Lifestyle", "categorySlug": "lifestyle", "keywords": [ "gratuity", "restaurant", "bill split", "per person" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "new", "engine": "native", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/tip-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "1.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/tip-calculator/", "definition": "/calculator/tip-calculator/definition.json", "schema": "/calculator/tip-calculator/schema.json", "llms": "/calculator/tip-calculator/llms.txt", "legacyDefinition": "/calculator/tip-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/tip-calculator/?bill=85&tipPercent=20&splitBill=1&people=2", "queryParameters": { "bill": { "label": "Bill amount", "type": "money", "required": true, "default": 85 }, "tax": { "label": "Tax amount", "type": "money", "required": false }, "tipPercent": { "label": "Tip", "type": "percent", "required": true, "default": 20 }, "splitBill": { "label": "Split the bill", "type": "checkbox", "required": false, "default": true }, "people": { "label": "Number of people", "type": "number", "required": true, "default": 2, "showWhen": { "field": "splitBill", "equals": true } } }, "inputs": [ { "id": "bill", "label": "Bill amount", "type": "money", "required": true, "defaultValue": 85, "min": 0, "step": 0.01, "width": "half" }, { "id": "tax", "label": "Tax amount", "type": "money", "min": 0, "step": 0.01, "help": "Optional", "width": "half" }, { "id": "tipPercent", "label": "Tip", "type": "percent", "required": true, "defaultValue": 20, "min": 0, "max": 50, "step": 1, "control": "slider-number", "width": "full" }, { "id": "splitBill", "label": "Split the bill", "type": "checkbox", "defaultValue": true, "width": "full" }, { "id": "people", "label": "Number of people", "type": "number", "required": true, "defaultValue": 2, "min": 1, "max": 100, "step": 1, "showWhen": { "field": "splitBill", "equals": true }, "width": "full" } ], "outputs": [ { "id": "perPerson", "label": "Per person", "format": "currency", "primary": true }, { "id": "tipAmount", "label": "Tip amount", "format": "currency" }, { "id": "totalBill", "label": "Total bill", "format": "currency" }, { "id": "tipPerPerson", "label": "Tip per person", "format": "currency" } ], "formula": { "expression": "Tip = bill × tip rate; total = bill + tax + tip", "note": "The tip is calculated from the bill amount before the optional tax amount." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "bill": 85, "tipPercent": 20, "splitBill": true, "people": 2 } } ], "sources": [] }, { "id": "bird-age-calculator", "version": "7.0.0", "name": "Bird Age Calculator", "shortName": "Bird Age", "description": "Convert bird years to human years (Small Birds).", "category": "Pets", "categorySlug": "pets", "keywords": [ "bird", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/bird-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/bird-age-calculator/", "definition": "/calculator/bird-age-calculator/definition.json", "schema": "/calculator/bird-age-calculator/schema.json", "llms": "/calculator/bird-age-calculator/llms.txt", "legacyDefinition": "/calculator/bird-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/bird-age-calculator/?age=1", "queryParameters": { "age": { "label": "Age (years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Age (years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age equivalent = chronological bird age × the calculator’s stated species-neutral estimate factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "cat-age-calculator", "version": "7.0.0", "name": "Cat Age Calculator", "shortName": "Cat Age", "description": "Convert your cat's age to human years equivalent.", "category": "Pets", "categorySlug": "pets", "keywords": [ "cat", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/cat-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/cat-age-calculator/", "definition": "/calculator/cat-age-calculator/definition.json", "schema": "/calculator/cat-age-calculator/schema.json", "llms": "/calculator/cat-age-calculator/llms.txt", "legacyDefinition": "/calculator/cat-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/cat-age-calculator/?age=1", "queryParameters": { "age": { "label": "Age (years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Age (years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age estimate assigns about 15 years to year one, 9 more to year two, then about 4 per later year." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "dog-age-calculator", "version": "7.0.0", "name": "Dog Age Calculator", "shortName": "Dog Age", "description": "Convert your dog's age to human years equivalent based on standard development milestones.", "category": "Pets", "categorySlug": "pets", "keywords": [ "dog", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/dog-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/dog-age-calculator/", "definition": "/calculator/dog-age-calculator/definition.json", "schema": "/calculator/dog-age-calculator/schema.json", "llms": "/calculator/dog-age-calculator/llms.txt", "legacyDefinition": "/calculator/dog-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/dog-age-calculator/?age=1", "queryParameters": { "age": { "label": "Age (calendar years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Age (calendar years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age estimate uses a non-linear dog aging rule with rapid early aging and slower later years." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "fish-age-calculator", "version": "7.0.0", "name": "Fish Age Calculator", "shortName": "Fish Age", "description": "Convert your fish's calendar age to the equivalent human years.", "category": "Pets", "categorySlug": "pets", "keywords": [ "fish", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/fish-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/fish-age-calculator/", "definition": "/calculator/fish-age-calculator/definition.json", "schema": "/calculator/fish-age-calculator/schema.json", "llms": "/calculator/fish-age-calculator/llms.txt", "legacyDefinition": "/calculator/fish-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/fish-age-calculator/?age=1", "queryParameters": { "age": { "label": "Age (calendar years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Age (calendar years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age equivalent uses the calculator’s stated goldfish estimate factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "guinea-pig-age-calculator", "version": "7.0.0", "name": "Guinea Pig Age", "shortName": "Guinea Pig Age", "description": "Convert your guinea pig's calendar age to the equivalent human years.", "category": "Pets", "categorySlug": "pets", "keywords": [ "guinea", "pig", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/guinea-pig-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/guinea-pig-age-calculator/", "definition": "/calculator/guinea-pig-age-calculator/definition.json", "schema": "/calculator/guinea-pig-age-calculator/schema.json", "llms": "/calculator/guinea-pig-age-calculator/llms.txt", "legacyDefinition": "/calculator/guinea-pig-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/guinea-pig-age-calculator/?age=1", "queryParameters": { "age": { "label": "Age (calendar years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Age (calendar years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age estimate uses the calculator’s life-stage conversion table." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "hamster-age-calculator", "version": "7.0.0", "name": "Hamster Age", "shortName": "Hamster Age", "description": "Convert your hamster's calendar age to the equivalent human years.", "category": "Pets", "categorySlug": "pets", "keywords": [ "hamster", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/hamster-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/hamster-age-calculator/", "definition": "/calculator/hamster-age-calculator/definition.json", "schema": "/calculator/hamster-age-calculator/schema.json", "llms": "/calculator/hamster-age-calculator/llms.txt", "legacyDefinition": "/calculator/hamster-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/hamster-age-calculator/?age=1", "queryParameters": { "age": { "label": "Age (calendar years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Age (calendar years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age equivalent = hamster age × the calculator’s stated estimate factor." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "horse-age-calculator", "version": "7.0.0", "name": "Horse Age Calculator", "shortName": "Horse Age", "description": "Convert your horse's calendar age into the equivalent human years for health and development tracking.", "category": "Pets", "categorySlug": "pets", "keywords": [ "horse", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/horse-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/horse-age-calculator/", "definition": "/calculator/horse-age-calculator/definition.json", "schema": "/calculator/horse-age-calculator/schema.json", "llms": "/calculator/horse-age-calculator/llms.txt", "legacyDefinition": "/calculator/horse-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/horse-age-calculator/?age=5", "queryParameters": { "age": { "label": "Age (calendar years)", "type": "number", "required": false, "default": 5 } }, "inputs": [ { "id": "age", "label": "Age (calendar years)", "type": "number", "defaultValue": 5 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age estimate uses faster early development followed by a slower yearly conversion." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 5 } } ], "sources": [] }, { "id": "pet-cost-calculator", "version": "7.0.0", "name": "Pet Ownership Cost", "shortName": "Pet Ownership Cost", "description": "Estimate the financial commitment of owning a pet, including food, healthcare, and supplies over their lifetime.", "category": "Pets", "categorySlug": "pets", "keywords": [ "pet", "cost" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/pet-cost-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "urls": { "page": "/calculator/pet-cost-calculator/", "definition": "/calculator/pet-cost-calculator/definition.json", "schema": "/calculator/pet-cost-calculator/schema.json", "llms": "/calculator/pet-cost-calculator/llms.txt", "legacyDefinition": "/calculator/pet-cost-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/pet-cost-calculator/?foodCost=50&vetCost=200&suppliesCost=100&lifespan=15", "queryParameters": { "foodCost": { "label": "Monthly food ($)", "type": "number", "required": false, "default": 50 }, "vetCost": { "label": "Yearly Vet ($)", "type": "number", "required": false, "default": 200 }, "suppliesCost": { "label": "Yearly Misc ($)", "type": "number", "required": false, "default": 100 }, "lifespan": { "label": "Expected Lifespan (years)", "type": "number", "required": false, "default": 15 } }, "inputs": [ { "id": "foodCost", "label": "Monthly food ($)", "type": "number", "defaultValue": 50 }, { "id": "vetCost", "label": "Yearly Vet ($)", "type": "number", "defaultValue": 200 }, { "id": "suppliesCost", "label": "Yearly Misc ($)", "type": "number", "defaultValue": 100 }, { "id": "lifespan", "label": "Expected Lifespan (years)", "type": "number", "defaultValue": 15 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Lifetime cost = lifespan × (12 × monthly food + annual veterinary cost + annual supplies cost)." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "foodCost": 50, "vetCost": 200, "suppliesCost": 100, "lifespan": 15 } } ], "sources": [] }, { "id": "rabbit-age-calculator", "version": "7.0.0", "name": "Rabbit Age", "shortName": "Rabbit Age", "description": "Convert your rabbit's biological age into equivalent human years to better understand their life stage.", "category": "Pets", "categorySlug": "pets", "keywords": [ "rabbit", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/rabbit-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/rabbit-age-calculator/", "definition": "/calculator/rabbit-age-calculator/definition.json", "schema": "/calculator/rabbit-age-calculator/schema.json", "llms": "/calculator/rabbit-age-calculator/llms.txt", "legacyDefinition": "/calculator/rabbit-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/rabbit-age-calculator/?age=1", "queryParameters": { "age": { "label": "Biological Age (years)", "type": "number", "required": false, "default": 1 } }, "inputs": [ { "id": "age", "label": "Biological Age (years)", "type": "number", "defaultValue": 1 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age estimate uses a life-stage conversion with faster early aging." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 1 } } ], "sources": [] }, { "id": "turtle-age-calculator", "version": "7.0.0", "name": "Turtle Age Calculator", "shortName": "Turtle Age", "description": "Convert your pet turtle's age to human-equivalent maturity years.", "category": "Pets", "categorySlug": "pets", "keywords": [ "turtle", "age" ], "status": "live", "workStatus": "pending", "reviewStatus": "pending", "migrationStatus": "migrated", "migratedDate": "2026-08-18", "engine": "legacy-react", "creator": null, "reviewer": null, "quality": { "availability": "live", "technicalReviewRecord": "/reviews/turtle-age-calculator.json", "qualifiedReview": "pending", "qualifiedReviewer": null, "qualifiedReviewDate": null, "formulaVersion": "7.0.0", "referenceCoverage": "references-pending", "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.", "historicalMetadataDate": "2026-08-18", "historicalMetadataNotice": "The imported date is not evidence of a completed human review." }, "notice": "Species, breed, genetics, and health cause wide variation; this is a general comparison only.", "urls": { "page": "/calculator/turtle-age-calculator/", "definition": "/calculator/turtle-age-calculator/definition.json", "schema": "/calculator/turtle-age-calculator/schema.json", "llms": "/calculator/turtle-age-calculator/llms.txt", "legacyDefinition": "/calculator/turtle-age-calculator.json" }, "queryExample": "https://askcalculators.com/calculator/turtle-age-calculator/?age=10", "queryParameters": { "age": { "label": "Chronological Age (Years)", "type": "number", "required": false, "default": 10 } }, "inputs": [ { "id": "age", "label": "Chronological Age (Years)", "type": "number", "defaultValue": 10 } ], "outputs": [ { "id": "result", "label": "Result", "format": "text", "primary": true } ], "formula": { "expression": "Human-age estimate uses the calculator’s stated turtle life-stage conversion." }, "examples": [ { "label": "Reproducible default-input example (not a personal recommendation)", "inputs": { "age": 10 } } ], "sources": [] } ] }