# AskCalculators > 418 calculator pages: 418 live; qualified review pending for 418 pages. ## Main files - /calculators/ — all calculators - /calculators.json — machine-readable catalog - /calculators.csv — URL, query-string, migration, review, and availability catalog - /categories.json — category list - /workflows/ — connected browser-local planners - /workflows.json — machine-readable workflow catalog - /data-and-privacy/ — inspect, export, import, retain, or delete browser data - /about/ — purpose and review process - /our-people/ — calculator creators and auditors - /authors/ — calculator creator - /professional-reviewers/ — calculator auditors - /medical-reviewers/ — medical calculator audits - /financial-tax-experts/ — financial calculator audits - /company/ — company information - /company/ownership/ — ownership and operation - /change/history/ — product change history - /contact/ — feedback and correction contact - /faq/ — common questions - /editorial-policy/ — formula and review policy - /accessibility/ — accessibility goals - /privacy/ — privacy policy - /terms/ — terms and conditions - /disclaimer/ — calculator limitations ## Categories - /category/finance/ — Finance (128) - /category/health-fitness/ — Health & Fitness (39) - /category/math-statistics/ — Math & Statistics (100) - /category/developer/ — Developer (11) - /category/date-time/ — Date & Time (23) - /category/home-construction/ — Home & Construction (9) - /category/science-engineering/ — Science & Engineering (38) - /category/conversions/ — Conversions & Sizes (47) - /category/education/ — Education (3) - /category/vehicles-travel/ — Vehicles & Travel (5) - /category/lifestyle/ — Lifestyle (5) - /category/pets/ — Pets (10) ## Calculators - /calculator/401k-calculator/ — Estimate the growth of your 401(k) retirement savings, including employer matching contributions. [live] - /calculator/401k-calculator/definition.json - /calculator/401k-calculator/schema.json - /calculator/401k-calculator/llms.txt - /calculator/72t-calculator/ — Calculate Substantially Equal Periodic Payments (SEPP) to avoid early withdrawal penalties from IRAs. [live] - /calculator/72t-calculator/definition.json - /calculator/72t-calculator/schema.json - /calculator/72t-calculator/llms.txt - /calculator/activity-depreciation-calculator/ — Calculate depreciation from asset usage such as miles, machine cycles, or operating hours. [live] - /calculator/activity-depreciation-calculator/definition.json - /calculator/activity-depreciation-calculator/schema.json - /calculator/activity-depreciation-calculator/llms.txt - /calculator/amortization-calculator/ — View your loan amortization schedule and see how your principal balance decreases over time. [live] - /calculator/amortization-calculator/definition.json - /calculator/amortization-calculator/schema.json - /calculator/amortization-calculator/llms.txt - /calculator/amortization-schedule-equal-principal-payments-calculator/ — Create a loan schedule with the same principal amount paid every period and declining total payments. [live] - /calculator/amortization-schedule-equal-principal-payments-calculator/definition.json - /calculator/amortization-schedule-equal-principal-payments-calculator/schema.json - /calculator/amortization-schedule-equal-principal-payments-calculator/llms.txt - /calculator/annuity-calculator/ — Calculate the future value of a fixed annuity investment. [live] - /calculator/annuity-calculator/definition.json - /calculator/annuity-calculator/schema.json - /calculator/annuity-calculator/llms.txt - /calculator/annuity-on-loan-table-creator/ — Create an equal-payment loan amortization table for an ordinary annuity or annuity due. [live] - /calculator/annuity-on-loan-table-creator/definition.json - /calculator/annuity-on-loan-table-creator/schema.json - /calculator/annuity-on-loan-table-creator/llms.txt - /calculator/annuity-payout-calculator/ — Calculate the monthly income you can receive from a fixed annuity. [live] - /calculator/annuity-payout-calculator/definition.json - /calculator/annuity-payout-calculator/schema.json - /calculator/annuity-payout-calculator/llms.txt - /calculator/apr-calculator/ — Calculate the Annual Percentage Rate (APR) of a loan, which includes interest and fees. [live] - /calculator/apr-calculator/definition.json - /calculator/apr-calculator/schema.json - /calculator/apr-calculator/llms.txt - /calculator/apy-calculator/ — Convert an Annual Percentage Rate (APR) to Annual Percentage Yield (APY) based on compounding frequency. [live] - /calculator/apy-calculator/definition.json - /calculator/apy-calculator/schema.json - /calculator/apy-calculator/llms.txt - /calculator/asset-allocation-calculator/ — Visualize your portfolio's asset allocation. [live] - /calculator/asset-allocation-calculator/definition.json - /calculator/asset-allocation-calculator/schema.json - /calculator/asset-allocation-calculator/llms.txt - /calculator/auto-lease-calculator/ — Calculate monthly auto lease payments based on negotiated price, residual value, and money factor. [live] - /calculator/auto-lease-calculator/definition.json - /calculator/auto-lease-calculator/schema.json - /calculator/auto-lease-calculator/llms.txt - /calculator/auto-loan-calculator/ — Calculate your monthly car payments, factoring in trade-in value and sales tax. [live] - /calculator/auto-loan-calculator/definition.json - /calculator/auto-loan-calculator/schema.json - /calculator/auto-loan-calculator/llms.txt - /calculator/average-return-calculator/ — Calculate the Arithmetic Mean and Geometric Mean (CAGR) of a series of investment returns. [live] - /calculator/average-return-calculator/definition.json - /calculator/average-return-calculator/schema.json - /calculator/average-return-calculator/llms.txt - /calculator/bid-ask-calculator/ — Calculate bid-ask spread, midpoint, spread percentage, and trade values for a quoted security. [live] - /calculator/bid-ask-calculator/definition.json - /calculator/bid-ask-calculator/schema.json - /calculator/bid-ask-calculator/llms.txt - /calculator/boat-loan-calculator/ — Estimate monthly payments for a boat or yacht loan, which typically feature longer terms than auto loans. [live] - /calculator/boat-loan-calculator/definition.json - /calculator/boat-loan-calculator/schema.json - /calculator/boat-loan-calculator/llms.txt - /calculator/bond-calculator/ — Calculate the theoretical price and current yield of a bond based on its coupon rate and yield to maturity. [live] - /calculator/bond-calculator/definition.json - /calculator/bond-calculator/schema.json - /calculator/bond-calculator/llms.txt - /calculator/budget-calculator/ — Plan your monthly budget by categorizing income and expenses. [live] - /calculator/budget-calculator/definition.json - /calculator/budget-calculator/schema.json - /calculator/budget-calculator/llms.txt - /calculator/business-loan-calculator/ — Calculate monthly payments and total costs for a business term loan, including origination fees. [live] - /calculator/business-loan-calculator/definition.json - /calculator/business-loan-calculator/schema.json - /calculator/business-loan-calculator/llms.txt - /calculator/canadian-mortgage-calculator/ — Calculate mortgage payments for Canada, including CMHC insurance estimates and semi-annual compounding. [live] - /calculator/canadian-mortgage-calculator/definition.json - /calculator/canadian-mortgage-calculator/schema.json - /calculator/canadian-mortgage-calculator/llms.txt - /calculator/cash-back-calculator/ — Estimate gross and net cash back after an optional reward cap and annual fee. [live] - /calculator/cash-back-calculator/definition.json - /calculator/cash-back-calculator/schema.json - /calculator/cash-back-calculator/llms.txt - /calculator/cash-back-or-low-interest-calculator/ — Compare a cash back rebate with a higher interest rate versus a lower interest rate with no rebate. [live] - /calculator/cash-back-or-low-interest-calculator/definition.json - /calculator/cash-back-or-low-interest-calculator/schema.json - /calculator/cash-back-or-low-interest-calculator/llms.txt - /calculator/cd-calculator/ — Calculate the earnings and total balance of a Certificate of Deposit (CD) over time. [live] - /calculator/cd-calculator/definition.json - /calculator/cd-calculator/schema.json - /calculator/cd-calculator/llms.txt - /calculator/checkbook-balance-calculator/ — Reconcile a bank statement balance with outstanding checks, deposits in transit, fees, interest, and the check register. [live] - /calculator/checkbook-balance-calculator/definition.json - /calculator/checkbook-balance-calculator/schema.json - /calculator/checkbook-balance-calculator/llms.txt - /calculator/checkbook-calculator/ — Apply a list of deposits and withdrawals to an opening balance and create a running register. [live] - /calculator/checkbook-calculator/definition.json - /calculator/checkbook-calculator/schema.json - /calculator/checkbook-calculator/llms.txt - /calculator/college-cost-calculator/ — Estimate the future cost of college and determine if your current savings plan is on track. [live] - /calculator/college-cost-calculator/definition.json - /calculator/college-cost-calculator/schema.json - /calculator/college-cost-calculator/llms.txt - /calculator/commission-calculator/ — Calculate sales commission, base pay, bonus, and total earnings. [live] - /calculator/commission-calculator/definition.json - /calculator/commission-calculator/schema.json - /calculator/commission-calculator/llms.txt - /calculator/compound-interest-calculator/ — Project investment growth with regular monthly contributions and selectable compounding. [live] - /calculator/compound-interest-calculator/definition.json - /calculator/compound-interest-calculator/schema.json - /calculator/compound-interest-calculator/llms.txt - /calculator/credit-card-calculator/ — 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. [live] - /calculator/credit-card-calculator/definition.json - /calculator/credit-card-calculator/schema.json - /calculator/credit-card-calculator/llms.txt - /calculator/credit-card-payoff-calculator/ — Find payoff time from a payment or the payment needed for a chosen payoff period. [live] - /calculator/credit-card-payoff-calculator/definition.json - /calculator/credit-card-payoff-calculator/schema.json - /calculator/credit-card-payoff-calculator/llms.txt - /calculator/credit-cards-payoff-calculator/ — Calculate the fastest way to pay off multiple credit cards using the Avalanche or Snowball method. [live] - /calculator/credit-cards-payoff-calculator/definition.json - /calculator/credit-cards-payoff-calculator/schema.json - /calculator/credit-cards-payoff-calculator/llms.txt - /calculator/currency-appreciation-and-depreciation-calculator/ — Measure the appreciation or depreciation of a base currency when its quoted exchange rate changes. [live] - /calculator/currency-appreciation-and-depreciation-calculator/definition.json - /calculator/currency-appreciation-and-depreciation-calculator/schema.json - /calculator/currency-appreciation-and-depreciation-calculator/llms.txt - /calculator/currency-calculator/ — Convert an amount using an exchange rate you enter. No live API is required. [live] - /calculator/currency-calculator/definition.json - /calculator/currency-calculator/schema.json - /calculator/currency-calculator/llms.txt - /calculator/debt-consolidation-calculator/ — Determine if consolidating your debts into a single loan can save you money on interest or lower your monthly payments. [live] - /calculator/debt-consolidation-calculator/definition.json - /calculator/debt-consolidation-calculator/schema.json - /calculator/debt-consolidation-calculator/llms.txt - /calculator/debt-payoff-calculator/ — Create a debt payoff plan using the Snowball or Avalanche method to become debt-free faster. [live] - /calculator/debt-payoff-calculator/definition.json - /calculator/debt-payoff-calculator/schema.json - /calculator/debt-payoff-calculator/llms.txt - /calculator/debt-ratios-calculator/ — Calculate common solvency ratios from balance-sheet and income-statement figures. [live] - /calculator/debt-ratios-calculator/definition.json - /calculator/debt-ratios-calculator/schema.json - /calculator/debt-ratios-calculator/llms.txt - /calculator/debt-to-income-calculator/ — Calculate front-end and back-end monthly debt-to-income ratios. [live] - /calculator/debt-to-income-calculator/definition.json - /calculator/debt-to-income-calculator/schema.json - /calculator/debt-to-income-calculator/llms.txt - /calculator/debt-to-income-ratio-calculator/ — Calculate your DTI ratio to see if you qualify for a mortgage or other loans. [live] - /calculator/debt-to-income-ratio-calculator/definition.json - /calculator/debt-to-income-ratio-calculator/schema.json - /calculator/debt-to-income-ratio-calculator/llms.txt - /calculator/deferred-fixed-annuity-calculator/ — Estimate accumulation during a deferral period and level withdrawals during a fixed payout period. [live] - /calculator/deferred-fixed-annuity-calculator/definition.json - /calculator/deferred-fixed-annuity-calculator/schema.json - /calculator/deferred-fixed-annuity-calculator/llms.txt - /calculator/depreciation-calculator/ — Calculate the depreciation of an asset over its useful life using Straight-Line or Double-Declining Balance methods. [live] - /calculator/depreciation-calculator/definition.json - /calculator/depreciation-calculator/schema.json - /calculator/depreciation-calculator/llms.txt - /calculator/discount-calculator/ — Find the sale price, savings, optional tax, and effective discount. [live] - /calculator/discount-calculator/definition.json - /calculator/discount-calculator/schema.json - /calculator/discount-calculator/llms.txt - /calculator/down-payment-calculator/ — Convert a down payment between money and percent, then estimate loan and cash needed. [live] - /calculator/down-payment-calculator/definition.json - /calculator/down-payment-calculator/schema.json - /calculator/down-payment-calculator/llms.txt - /calculator/equivalent-interest-rate-calculator/ — Convert a nominal annual rate with one compounding frequency to an equivalent nominal rate with another frequency. [live] - /calculator/equivalent-interest-rate-calculator/definition.json - /calculator/equivalent-interest-rate-calculator/schema.json - /calculator/equivalent-interest-rate-calculator/llms.txt - /calculator/estate-tax-calculator/ — Estimate the federal estate-tax amount above the 2026 basic exclusion using a simplified top-rate model. [live] - /calculator/estate-tax-calculator/definition.json - /calculator/estate-tax-calculator/schema.json - /calculator/estate-tax-calculator/llms.txt - /calculator/fha-loan-calculator/ — Calculate FHA mortgage payments including Upfront and Annual Mortgage Insurance Premiums (MIP). [live] - /calculator/fha-loan-calculator/definition.json - /calculator/fha-loan-calculator/schema.json - /calculator/fha-loan-calculator/llms.txt - /calculator/finance-calculator/ — Analyze your monthly cash flow, savings rate, and potential annual savings. [live] - /calculator/finance-calculator/definition.json - /calculator/finance-calculator/schema.json - /calculator/finance-calculator/llms.txt - /calculator/fixed-declining-balance-depreciation-calculator/ — Calculate a fixed declining-balance depreciation rate and annual schedule that approaches salvage value. [live] - /calculator/fixed-declining-balance-depreciation-calculator/definition.json - /calculator/fixed-declining-balance-depreciation-calculator/schema.json - /calculator/fixed-declining-balance-depreciation-calculator/llms.txt - /calculator/future-value-calculator/ — Grow a present amount at a fixed rate with selectable compounding. [live] - /calculator/future-value-calculator/definition.json - /calculator/future-value-calculator/schema.json - /calculator/future-value-calculator/llms.txt - /calculator/future-value-of-dollar-1-annuity-table-calculator/ — Calculate future-value annuity factors for end- or beginning-of-period payments of $1. [live] - /calculator/future-value-of-dollar-1-annuity-table-calculator/definition.json - /calculator/future-value-of-dollar-1-annuity-table-calculator/schema.json - /calculator/future-value-of-dollar-1-annuity-table-calculator/llms.txt - /calculator/future-value-of-dollar-1-table-calculator/ — Calculate future-value interest factors and create a period-by-period FVIF table. [live] - /calculator/future-value-of-dollar-1-table-calculator/definition.json - /calculator/future-value-of-dollar-1-table-calculator/schema.json - /calculator/future-value-of-dollar-1-table-calculator/llms.txt - /calculator/future-value-of-cash-flows-calculator/ — Compound a series of dated-by-period cash flows to a common future period. [live] - /calculator/future-value-of-cash-flows-calculator/definition.json - /calculator/future-value-of-cash-flows-calculator/schema.json - /calculator/future-value-of-cash-flows-calculator/llms.txt - /calculator/gdp-calculator/ — Calculate Gross Domestic Product using the expenditure approach (C + I + G + NX). [live] - /calculator/gdp-calculator/definition.json - /calculator/gdp-calculator/schema.json - /calculator/gdp-calculator/llms.txt - /calculator/heloc-calculator/ — Estimate interest-only draw payments, repayment-period payments, fees, and an LTV-based HELOC limit. [live] - /calculator/heloc-calculator/definition.json - /calculator/heloc-calculator/schema.json - /calculator/heloc-calculator/llms.txt - /calculator/home-equity-loan-calculator/ — Estimate a fixed home equity loan payment, borrowing costs, amortization, and an LTV-based borrowing limit. [live] - /calculator/home-equity-loan-calculator/definition.json - /calculator/home-equity-loan-calculator/schema.json - /calculator/home-equity-loan-calculator/llms.txt - /calculator/house-affordability-calculator/ — Estimate a home price from income, debts, down payment, rate, and housing costs. [live] - /calculator/house-affordability-calculator/definition.json - /calculator/house-affordability-calculator/schema.json - /calculator/house-affordability-calculator/llms.txt - /calculator/how-much-car-can-i-afford-calculator/ — Estimate an affordable vehicle price from a monthly payment budget, financing terms, down payment, trade-in, taxes, and fees. [live] - /calculator/how-much-car-can-i-afford-calculator/definition.json - /calculator/how-much-car-can-i-afford-calculator/schema.json - /calculator/how-much-car-can-i-afford-calculator/llms.txt - /calculator/how-much-of-a-loan-can-i-afford-calculator/ — Calculate the maximum loan principal supported by a payment budget, rate, term, and financed fees. [live] - /calculator/how-much-of-a-loan-can-i-afford-calculator/definition.json - /calculator/how-much-of-a-loan-can-i-afford-calculator/schema.json - /calculator/how-much-of-a-loan-can-i-afford-calculator/llms.txt - /calculator/income-tax-calculator/ — Estimate 2026 U.S. federal income tax using the standard deduction and progressive brackets. [live] - /calculator/income-tax-calculator/definition.json - /calculator/income-tax-calculator/schema.json - /calculator/income-tax-calculator/llms.txt - /calculator/inflation-calculator/ — Estimate future cost, purchasing power, and cumulative inflation. [live] - /calculator/inflation-calculator/definition.json - /calculator/inflation-calculator/schema.json - /calculator/inflation-calculator/llms.txt - /calculator/interest-calculator/ — Project compound growth with a nominal annual rate, selected compounding frequency, and end-of-month contributions. [live] - /calculator/interest-calculator/definition.json - /calculator/interest-calculator/schema.json - /calculator/interest-calculator/llms.txt - /calculator/interest-only-mortgage-calculator/ — Estimate payments and total interest for a mortgage with an initial interest-only period followed by amortizing payments. [live] - /calculator/interest-only-mortgage-calculator/definition.json - /calculator/interest-only-mortgage-calculator/schema.json - /calculator/interest-only-mortgage-calculator/llms.txt - /calculator/interest-rate-calculator/ — Calculate the required annual interest rate to earn a specific amount of interest. [live] - /calculator/interest-rate-calculator/definition.json - /calculator/interest-rate-calculator/schema.json - /calculator/interest-rate-calculator/llms.txt - /calculator/interest-rate-on-table-creator/ — Create compound-interest factor tables across a range of periodic interest rates for a selected number of periods. [live] - /calculator/interest-rate-on-table-creator/definition.json - /calculator/interest-rate-on-table-creator/schema.json - /calculator/interest-rate-on-table-creator/llms.txt - /calculator/investment-calculator/ — Project the growth of your investments over time with compound interest. [live] - /calculator/investment-calculator/definition.json - /calculator/investment-calculator/schema.json - /calculator/investment-calculator/llms.txt - /calculator/irr-calculator/ — Calculate the Internal Rate of Return (IRR) for a series of annual cash flows. [live] - /calculator/irr-calculator/definition.json - /calculator/irr-calculator/schema.json - /calculator/irr-calculator/llms.txt - /calculator/layaway-plan-calculator/ — Calculate the financed layaway balance, periodic payment, fees, taxes, and total purchase cost. [live] - /calculator/layaway-plan-calculator/definition.json - /calculator/layaway-plan-calculator/schema.json - /calculator/layaway-plan-calculator/llms.txt - /calculator/lease-calculator/ — Calculate monthly lease payments for equipment or property given a residual value. [live] - /calculator/lease-calculator/definition.json - /calculator/lease-calculator/schema.json - /calculator/lease-calculator/llms.txt - /calculator/liquidity-ratios-calculator/ — Calculate current, quick, cash, working-capital, and operating-cash-flow liquidity measures. [live] - /calculator/liquidity-ratios-calculator/definition.json - /calculator/liquidity-ratios-calculator/schema.json - /calculator/liquidity-ratios-calculator/llms.txt - /calculator/list-price-markdown-calculator/ — Find the list price needed to offer a planned markdown while preserving a target gross margin. [live] - /calculator/list-price-markdown-calculator/definition.json - /calculator/list-price-markdown-calculator/schema.json - /calculator/list-price-markdown-calculator/llms.txt - /calculator/loan-calculator/ — Calculate payment, interest, total cost, and the effect of an optional extra payment. [live] - /calculator/loan-calculator/definition.json - /calculator/loan-calculator/schema.json - /calculator/loan-calculator/llms.txt - /calculator/loan-payment-table-generator/ — Generate a comparison grid of periodic payments across multiple interest rates and loan terms. [live] - /calculator/loan-payment-table-generator/definition.json - /calculator/loan-payment-table-generator/schema.json - /calculator/loan-payment-table-generator/llms.txt - /calculator/marriage-tax-calculator/ — Compare a simplified 2026 federal estimate for two single filers with married filing jointly. [live] - /calculator/marriage-tax-calculator/definition.json - /calculator/marriage-tax-calculator/schema.json - /calculator/marriage-tax-calculator/llms.txt - /calculator/money-calculator/ — Count U.S. bills and coins and calculate the total cash amount. [live] - /calculator/money-calculator/definition.json - /calculator/money-calculator/schema.json - /calculator/money-calculator/llms.txt - /calculator/money-change-calculator/ — Calculate change due and break it into common U.S. bills and coins using the fewest pieces. [live] - /calculator/money-change-calculator/definition.json - /calculator/money-change-calculator/schema.json - /calculator/money-change-calculator/llms.txt - /calculator/money-math-calculator/ — Add, subtract, multiply, or divide monetary amounts using exact cent arithmetic where applicable. [live] - /calculator/money-math-calculator/definition.json - /calculator/money-math-calculator/schema.json - /calculator/money-math-calculator/llms.txt - /calculator/mortgage-amortization-calculator/ — View the complete amortization schedule for your mortgage. [live] - /calculator/mortgage-amortization-calculator/definition.json - /calculator/mortgage-amortization-calculator/schema.json - /calculator/mortgage-amortization-calculator/llms.txt - /calculator/mortgage-calculator/ — Estimate principal, interest, taxes, insurance, optional HOA fees, and extra payments. [live] - /calculator/mortgage-calculator/definition.json - /calculator/mortgage-calculator/schema.json - /calculator/mortgage-calculator/llms.txt - /calculator/mortgage-calculator-uk/ — Calculate monthly mortgage payments for UK properties, including Loan-to-Value (LTV). [live] - /calculator/mortgage-calculator-uk/definition.json - /calculator/mortgage-calculator-uk/schema.json - /calculator/mortgage-calculator-uk/llms.txt - /calculator/mortgage-payoff-calculator/ — See how much time and interest you can save by making extra payments on your mortgage. [live] - /calculator/mortgage-payoff-calculator/definition.json - /calculator/mortgage-payoff-calculator/schema.json - /calculator/mortgage-payoff-calculator/llms.txt - /calculator/mutual-fund-calculator/ — Project a mutual fund balance and net return after contributions, sales loads, deferred charges, and operating expenses. [live] - /calculator/mutual-fund-calculator/definition.json - /calculator/mutual-fund-calculator/schema.json - /calculator/mutual-fund-calculator/llms.txt - /calculator/net-present-value-calculator/ — Discount a sequence of periodic cash flows, calculate NPV, profitability index, and an estimated internal rate of return. [live] - /calculator/net-present-value-calculator/definition.json - /calculator/net-present-value-calculator/schema.json - /calculator/net-present-value-calculator/llms.txt - /calculator/net-worth-calculator/ — Calculate your total net worth by subtracting liabilities from assets. [live] - /calculator/net-worth-calculator/definition.json - /calculator/net-worth-calculator/schema.json - /calculator/net-worth-calculator/llms.txt - /calculator/nominal-interest-rate-calculator/ — Convert an effective annual interest rate to an equivalent nominal annual rate for a selected compounding frequency. [live] - /calculator/nominal-interest-rate-calculator/definition.json - /calculator/nominal-interest-rate-calculator/schema.json - /calculator/nominal-interest-rate-calculator/llms.txt - /calculator/operations-ratios-calculator/ — Calculate operating-efficiency ratios for assets, inventory, receivables, payables, and working capital. [live] - /calculator/operations-ratios-calculator/definition.json - /calculator/operations-ratios-calculator/schema.json - /calculator/operations-ratios-calculator/llms.txt - /calculator/payback-period-calculator/ — Calculate the time required to recoup an initial investment. [live] - /calculator/payback-period-calculator/definition.json - /calculator/payback-period-calculator/schema.json - /calculator/payback-period-calculator/llms.txt - /calculator/payment-calculator/ — Calculate your monthly loan payments and total interest for any type of loan. [live] - /calculator/payment-calculator/definition.json - /calculator/payment-calculator/schema.json - /calculator/payment-calculator/llms.txt - /calculator/pension-calculator/ — Estimate your defined benefit pension payout based on years of service and salary. [live] - /calculator/pension-calculator/definition.json - /calculator/pension-calculator/schema.json - /calculator/pension-calculator/llms.txt - /calculator/percent-off-calculator/ — Calculate the final price after applying one or more percentage discounts. [live] - /calculator/percent-off-calculator/definition.json - /calculator/percent-off-calculator/schema.json - /calculator/percent-off-calculator/llms.txt - /calculator/periodic-interest-rate-calculator/ — Calculate the periodic rate from a nominal annual rate or from an effective annual rate. [live] - /calculator/periodic-interest-rate-calculator/definition.json - /calculator/periodic-interest-rate-calculator/schema.json - /calculator/periodic-interest-rate-calculator/llms.txt - /calculator/personal-loan-calculator/ — Calculate monthly payments and total interest for a personal loan, including origination fees. [live] - /calculator/personal-loan-calculator/definition.json - /calculator/personal-loan-calculator/schema.json - /calculator/personal-loan-calculator/llms.txt - /calculator/present-value-calculator/ — Find the current value of a future amount at a chosen discount rate. [live] - /calculator/present-value-calculator/definition.json - /calculator/present-value-calculator/schema.json - /calculator/present-value-calculator/llms.txt - /calculator/present-value-of-dollar-1-annuity-table-calculator/ — Calculate present-value annuity factors for end- or beginning-of-period payments of $1. [live] - /calculator/present-value-of-dollar-1-annuity-table-calculator/definition.json - /calculator/present-value-of-dollar-1-annuity-table-calculator/schema.json - /calculator/present-value-of-dollar-1-annuity-table-calculator/llms.txt - /calculator/present-value-of-dollar-1-table-calculator/ — Calculate present-value interest factors and create a period-by-period PVIF table. [live] - /calculator/present-value-of-dollar-1-table-calculator/definition.json - /calculator/present-value-of-dollar-1-table-calculator/schema.json - /calculator/present-value-of-dollar-1-table-calculator/llms.txt - /calculator/present-value-of-annuity-calculator/ — Calculate the present value of level, growing, or perpetual periodic payments. [live] - /calculator/present-value-of-annuity-calculator/definition.json - /calculator/present-value-of-annuity-calculator/schema.json - /calculator/present-value-of-annuity-calculator/llms.txt - /calculator/present-value-of-cash-flows-calculator/ — Discount periodic cash flows to period zero and show each present-value contribution. [live] - /calculator/present-value-of-cash-flows-calculator/definition.json - /calculator/present-value-of-cash-flows-calculator/schema.json - /calculator/present-value-of-cash-flows-calculator/llms.txt - /calculator/price-calculator/ — Calculate selling price, gross profit, and markup from cost and a target gross margin. [live] - /calculator/price-calculator/definition.json - /calculator/price-calculator/schema.json - /calculator/price-calculator/llms.txt - /calculator/profit-goal-calculator/ — Calculate unit sales and revenue required to cover fixed costs and reach a target operating profit. [live] - /calculator/profit-goal-calculator/definition.json - /calculator/profit-goal-calculator/schema.json - /calculator/profit-goal-calculator/llms.txt - /calculator/margin-calculator/ — Find gross profit, margin, markup, and optional profit per unit. [live] - /calculator/margin-calculator/definition.json - /calculator/margin-calculator/schema.json - /calculator/margin-calculator/llms.txt - /calculator/profitability-ratios-calculator/ — Calculate gross, operating, and net margins plus return on assets, equity, and capital employed. [live] - /calculator/profitability-ratios-calculator/definition.json - /calculator/profitability-ratios-calculator/schema.json - /calculator/profitability-ratios-calculator/llms.txt - /calculator/property-depreciation-real-estate-calculator/ — Create a straight-line, mid-month-convention depreciation schedule for U.S. residential rental or nonresidential real property. [live] - /calculator/property-depreciation-real-estate-calculator/definition.json - /calculator/property-depreciation-real-estate-calculator/schema.json - /calculator/property-depreciation-real-estate-calculator/llms.txt - /calculator/property-tax-calculator/ — Estimate annual and periodic property tax from assessed value, exemptions, and either a percent rate or millage rate. [live] - /calculator/property-tax-calculator/definition.json - /calculator/property-tax-calculator/schema.json - /calculator/property-tax-calculator/llms.txt - /calculator/real-estate-calculator/ — Analyze a rental property investment. Calculate Cash Flow, Cap Rate, and Cash-on-Cash Return. [live] - /calculator/real-estate-calculator/definition.json - /calculator/real-estate-calculator/schema.json - /calculator/real-estate-calculator/llms.txt - /calculator/refinance-calculator/ — Determine if refinancing your mortgage or loan makes financial sense. [live] - /calculator/refinance-calculator/definition.json - /calculator/refinance-calculator/schema.json - /calculator/refinance-calculator/llms.txt - /calculator/rent-calculator/ — Determine how much rent you can afford based on your annual income. [live] - /calculator/rent-calculator/definition.json - /calculator/rent-calculator/schema.json - /calculator/rent-calculator/llms.txt - /calculator/rent-vs-buy-calculator/ — Compare the financial impact of buying a home versus renting over a specific period. [live] - /calculator/rent-vs-buy-calculator/definition.json - /calculator/rent-vs-buy-calculator/schema.json - /calculator/rent-vs-buy-calculator/llms.txt - /calculator/rental-property-calculator/ — Analyze the profitability of a rental property including Net Operating Income (NOI) and Cash Flow. [live] - /calculator/rental-property-calculator/definition.json - /calculator/rental-property-calculator/schema.json - /calculator/rental-property-calculator/llms.txt - /calculator/repayment-calculator/ — Calculate loan repayment schedules and see how much time and interest you can save by making extra monthly payments. [live] - /calculator/repayment-calculator/definition.json - /calculator/repayment-calculator/schema.json - /calculator/repayment-calculator/llms.txt - /calculator/retirement-calculator/ — Project retirement savings and compare them with an optional income target. [live] - /calculator/retirement-calculator/definition.json - /calculator/retirement-calculator/schema.json - /calculator/retirement-calculator/llms.txt - /calculator/reverse-sales-tax-calculator/ — Calculate the pre-tax price and tax amount when the total price including sales tax is known. [live] - /calculator/reverse-sales-tax-calculator/definition.json - /calculator/reverse-sales-tax-calculator/schema.json - /calculator/reverse-sales-tax-calculator/llms.txt - /calculator/rmd-calculator/ — Estimate a required minimum distribution using the IRS Uniform Lifetime Table. [live] - /calculator/rmd-calculator/definition.json - /calculator/rmd-calculator/schema.json - /calculator/rmd-calculator/llms.txt - /calculator/roi-calculator/ — Calculate profit, total return, return multiple, and optional annualized return. [live] - /calculator/roi-calculator/definition.json - /calculator/roi-calculator/schema.json - /calculator/roi-calculator/llms.txt - /calculator/roth-ira-calculator/ — Project the growth of your Roth IRA and see how much tax-free income you could have in retirement. [live] - /calculator/roth-ira-calculator/definition.json - /calculator/roth-ira-calculator/schema.json - /calculator/roth-ira-calculator/llms.txt - /calculator/rule-of-72-calculator/ — Estimate doubling time and compare it with the exact compound-growth result. [live] - /calculator/rule-of-72-calculator/definition.json - /calculator/rule-of-72-calculator/schema.json - /calculator/rule-of-72-calculator/llms.txt - /calculator/salary-calculator/ — Convert your salary between hourly, daily, weekly, monthly, and annual amounts. [live] - /calculator/salary-calculator/definition.json - /calculator/salary-calculator/schema.json - /calculator/salary-calculator/llms.txt - /calculator/sales-tax-calculator/ — Calculate subtotal, sales tax, and total for one or more items. [live] - /calculator/sales-tax-calculator/definition.json - /calculator/sales-tax-calculator/schema.json - /calculator/sales-tax-calculator/llms.txt - /calculator/savings-calculator/ — Estimate savings growth and check an optional savings goal. [live] - /calculator/savings-calculator/definition.json - /calculator/savings-calculator/schema.json - /calculator/savings-calculator/llms.txt - /calculator/selling-price-calculator/ — Calculate the marketplace selling price required for a target dollar profit, profit margin, or markup after fees and costs. [live] - /calculator/selling-price-calculator/definition.json - /calculator/selling-price-calculator/schema.json - /calculator/selling-price-calculator/llms.txt - /calculator/simple-interest-calculator/ — Calculate non-compounding interest, total value, and annual interest. [live] - /calculator/simple-interest-calculator/definition.json - /calculator/simple-interest-calculator/schema.json - /calculator/simple-interest-calculator/llms.txt - /calculator/social-security-calculator/ — Estimate a 2026 retirement benefit from average indexed annual earnings and claiming age. [live] - /calculator/social-security-calculator/definition.json - /calculator/social-security-calculator/schema.json - /calculator/social-security-calculator/llms.txt - /calculator/stock-ratios-calculator/ — Calculate per-share valuation, profitability, book-value, sales, and dividend ratios for a stock. [live] - /calculator/stock-ratios-calculator/definition.json - /calculator/stock-ratios-calculator/schema.json - /calculator/stock-ratios-calculator/llms.txt - /calculator/student-loan-calculator/ — Calculate monthly payments for student loans, including the impact of interest capitalization during deferment periods. [live] - /calculator/student-loan-calculator/definition.json - /calculator/student-loan-calculator/schema.json - /calculator/student-loan-calculator/llms.txt - /calculator/sum-of-years-digits-depreciation-calculator/ — Calculate accelerated depreciation using the sum-of-the-years-digits method and create a full schedule. [live] - /calculator/sum-of-years-digits-depreciation-calculator/definition.json - /calculator/sum-of-years-digits-depreciation-calculator/schema.json - /calculator/sum-of-years-digits-depreciation-calculator/llms.txt - /calculator/take-home-paycheck-calculator/ — Estimate your net pay after federal, state, and FICA taxes. [live] - /calculator/take-home-paycheck-calculator/definition.json - /calculator/take-home-paycheck-calculator/schema.json - /calculator/take-home-paycheck-calculator/llms.txt - /calculator/ira-calculator/ — Calculate the growth of your Traditional IRA and estimate your after-tax retirement savings. [live] - /calculator/ira-calculator/definition.json - /calculator/ira-calculator/schema.json - /calculator/ira-calculator/llms.txt - /calculator/units-of-production-depreciation-calculator/ — Calculate depreciation per unit and depreciation for a production period, with a lifetime-usage schedule summary. [live] - /calculator/units-of-production-depreciation-calculator/definition.json - /calculator/units-of-production-depreciation-calculator/schema.json - /calculator/units-of-production-depreciation-calculator/llms.txt - /calculator/va-mortgage-calculator/ — Calculate VA loan payments including the VA Funding Fee. VA loans typically require no down payment and no PMI. [live] - /calculator/va-mortgage-calculator/definition.json - /calculator/va-mortgage-calculator/schema.json - /calculator/va-mortgage-calculator/llms.txt - /calculator/variable-declining-balance-depreciation-calculator/ — Calculate declining-balance depreciation with an optional switch to straight line when that produces more depreciation. [live] - /calculator/variable-declining-balance-depreciation-calculator/definition.json - /calculator/variable-declining-balance-depreciation-calculator/schema.json - /calculator/variable-declining-balance-depreciation-calculator/llms.txt - /calculator/vat-calculator/ — Add VAT to a net amount or remove VAT from a gross amount. [live] - /calculator/vat-calculator/definition.json - /calculator/vat-calculator/schema.json - /calculator/vat-calculator/llms.txt - /calculator/army-body-fat-calculator/ — Check the current U.S. Army waist-to-height standard and optionally calculate the legacy 2023 one-site body-fat estimate. [live] - /calculator/army-body-fat-calculator/definition.json - /calculator/army-body-fat-calculator/schema.json - /calculator/army-body-fat-calculator/llms.txt - /calculator/bac-calculator/ — Estimate blood alcohol concentration from detailed beer, wine, spirit, and custom beverage amounts using a Widmark-style model. [live] - /calculator/bac-calculator/definition.json - /calculator/bac-calculator/schema.json - /calculator/bac-calculator/llms.txt - /calculator/bench-press-calculator/ — Estimate your Bench Press 1RM and generate a pyramid training routine. [live] - /calculator/bench-press-calculator/definition.json - /calculator/bench-press-calculator/schema.json - /calculator/bench-press-calculator/llms.txt - /calculator/bmi-calculator/ — Calculate BMI, BMI Prime, ponderal index, adult category, and the corresponding healthy-weight range in metric or imperial units. [live] - /calculator/bmi-calculator/definition.json - /calculator/bmi-calculator/schema.json - /calculator/bmi-calculator/llms.txt - /calculator/bmr-calculator/ — Estimate basal metabolic rate with Mifflin–St Jeor, revised Harris–Benedict, or Katch–McArdle and view activity-adjusted daily energy needs. [live] - /calculator/bmr-calculator/definition.json - /calculator/bmr-calculator/schema.json - /calculator/bmr-calculator/llms.txt - /calculator/body-fat-calculator/ — Estimate body-fat percentage with the U.S. Navy circumference method and compare it with a BMI-based estimate. [live] - /calculator/body-fat-calculator/definition.json - /calculator/body-fat-calculator/schema.json - /calculator/body-fat-calculator/llms.txt - /calculator/body-surface-area-calculator/ — Calculate body surface area with Mosteller, Du Bois, Haycock, Gehan–George, Boyd, and Schlich formulas. [live] - /calculator/body-surface-area-calculator/definition.json - /calculator/body-surface-area-calculator/schema.json - /calculator/body-surface-area-calculator/llms.txt - /calculator/body-type-calculator/ — Classify seven female fashion-industry body-shape categories from bust, waist, high-hip, and hip measurements and calculate waist-to-hip ratio. [live] - /calculator/body-type-calculator/definition.json - /calculator/body-type-calculator/schema.json - /calculator/body-type-calculator/llms.txt - /calculator/calorie-calculator/ — Estimate BMR, total daily energy expenditure, a goal-adjusted calorie target, and a seven-day calorie-cycling schedule. [live] - /calculator/calorie-calculator/definition.json - /calculator/calorie-calculator/schema.json - /calculator/calorie-calculator/llms.txt - /calculator/calorie-needs-calculator/ — Estimate daily maintenance calories and apply an optional daily adjustment. [live] - /calculator/calorie-needs-calculator/definition.json - /calculator/calorie-needs-calculator/schema.json - /calculator/calorie-needs-calculator/llms.txt - /calculator/calories-burned-calculator/ — Estimate activity calories from body weight, duration, and metabolic equivalent (MET), with a time-projection table. [live] - /calculator/calories-burned-calculator/definition.json - /calculator/calories-burned-calculator/schema.json - /calculator/calories-burned-calculator/llms.txt - /calculator/carbohydrate-calculator/ — Estimate daily calorie needs and convert a selected carbohydrate share into grams, with a 45–65% reference interval and 130-gram adult comparison. [live] - /calculator/carbohydrate-calculator/definition.json - /calculator/carbohydrate-calculator/schema.json - /calculator/carbohydrate-calculator/llms.txt - /calculator/conception-calculator/ — Plan estimated fertile windows, highest-probability days, and possible due dates across upcoming menstrual cycles. [live] - /calculator/conception-calculator/definition.json - /calculator/conception-calculator/schema.json - /calculator/conception-calculator/llms.txt - /calculator/due-date-calculator/ — Estimate a pregnancy due date from the last menstrual period, conception, ultrasound dating, or IVF embryo transfer. [live] - /calculator/due-date-calculator/definition.json - /calculator/due-date-calculator/schema.json - /calculator/due-date-calculator/llms.txt - /calculator/earned-run-average-calculator/ — Calculate baseball earned run average from earned runs and innings pitched. [live] - /calculator/earned-run-average-calculator/definition.json - /calculator/earned-run-average-calculator/schema.json - /calculator/earned-run-average-calculator/llms.txt - /calculator/fat-intake-calculator/ — Estimate daily fat grams from total energy needs, show a 20–35% reference interval, and calculate a less-than-10% saturated-fat comparison. [live] - /calculator/fat-intake-calculator/definition.json - /calculator/fat-intake-calculator/schema.json - /calculator/fat-intake-calculator/llms.txt - /calculator/gestation-calculator/ — Estimate an animal due date or breeding date from a typical gestation period. [live] - /calculator/gestation-calculator/definition.json - /calculator/gestation-calculator/schema.json - /calculator/gestation-calculator/llms.txt - /calculator/gfr-calculator/ — Estimate race-free kidney filtration with the 2021 CKD-EPI creatinine equation for adults or the CKiD U25 creatinine equation for ages 1–25. [live] - /calculator/gfr-calculator/definition.json - /calculator/gfr-calculator/schema.json - /calculator/gfr-calculator/llms.txt - /calculator/healthy-weight-calculator/ — Calculate the adult weight interval corresponding to BMI 18.5 through 24.9 and compare adjacent BMI categories. [live] - /calculator/healthy-weight-calculator/definition.json - /calculator/healthy-weight-calculator/schema.json - /calculator/healthy-weight-calculator/llms.txt - /calculator/ideal-weight-calculator/ — Compare the Robinson, Miller, Devine, and Hamwi ideal-body-weight formulas and the healthy BMI weight range. [live] - /calculator/ideal-weight-calculator/definition.json - /calculator/ideal-weight-calculator/schema.json - /calculator/ideal-weight-calculator/llms.txt - /calculator/lean-body-mass-calculator/ — Estimate lean body mass with Boer, James, and Hume adult equations or the Peters pediatric equation. [live] - /calculator/lean-body-mass-calculator/definition.json - /calculator/lean-body-mass-calculator/schema.json - /calculator/lean-body-mass-calculator/llms.txt - /calculator/anorexic-bmi-calculator/ — Calculate adult BMI and show low-BMI screening ranges without diagnosing an eating disorder. [live] - /calculator/anorexic-bmi-calculator/definition.json - /calculator/anorexic-bmi-calculator/schema.json - /calculator/anorexic-bmi-calculator/llms.txt - /calculator/macro-calculator/ — Estimate a goal-adjusted calorie target and translate a balanced, high-protein, lower-carb, very-low-carb, or custom split into daily grams. [live] - /calculator/macro-calculator/definition.json - /calculator/macro-calculator/schema.json - /calculator/macro-calculator/llms.txt - /calculator/one-rep-max-calculator/ — Estimate one-repetition maximum with seven established formulas or their average and generate a percentage-based training table. [live] - /calculator/one-rep-max-calculator/definition.json - /calculator/one-rep-max-calculator/schema.json - /calculator/one-rep-max-calculator/llms.txt - /calculator/overweight-calculator/ — Calculate how much weight you need to lose to reach a normal BMI range. [live] - /calculator/overweight-calculator/definition.json - /calculator/overweight-calculator/schema.json - /calculator/overweight-calculator/llms.txt - /calculator/ovulation-calculator/ — Estimate ovulation dates and fertile windows for multiple cycles from the last period, average cycle length, and luteal phase. [live] - /calculator/ovulation-calculator/definition.json - /calculator/ovulation-calculator/schema.json - /calculator/ovulation-calculator/llms.txt - /calculator/pace-calculator/ — Calculate pace, elapsed time, or distance and generate cumulative split estimates in kilometers, miles, meters, or yards. [live] - /calculator/pace-calculator/definition.json - /calculator/pace-calculator/schema.json - /calculator/pace-calculator/llms.txt - /calculator/period-calculator/ — Forecast period start and end dates, estimated ovulation, and fertile windows for multiple cycles. [live] - /calculator/period-calculator/definition.json - /calculator/period-calculator/schema.json - /calculator/period-calculator/llms.txt - /calculator/pregnancy-calculator/ — Estimate due date, conception date, gestational age, trimester, term window, and pregnancy milestones from five dating methods. [live] - /calculator/pregnancy-calculator/definition.json - /calculator/pregnancy-calculator/schema.json - /calculator/pregnancy-calculator/llms.txt - /calculator/pregnancy-conception-calculator/ — Back-calculate an estimated conception date and possible intercourse window from a due date, LMP, ultrasound, conception record, or IVF transfer. [live] - /calculator/pregnancy-conception-calculator/definition.json - /calculator/pregnancy-conception-calculator/schema.json - /calculator/pregnancy-conception-calculator/llms.txt - /calculator/pregnancy-weight-gain-calculator/ — Compare current pregnancy weight gain with BMI- and pregnancy-type-based total and week-by-week reference ranges. [live] - /calculator/pregnancy-weight-gain-calculator/definition.json - /calculator/pregnancy-weight-gain-calculator/schema.json - /calculator/pregnancy-weight-gain-calculator/llms.txt - /calculator/protein-calculator/ — Estimate a weight-based daily protein range for general adult, older-adult, endurance, strength, calorie-deficit, or pregnancy contexts. [live] - /calculator/protein-calculator/definition.json - /calculator/protein-calculator/schema.json - /calculator/protein-calculator/llms.txt - /calculator/sleep-calculator/ — Calculate the best bedtimes to wake up feeling refreshed. [live] - /calculator/sleep-calculator/definition.json - /calculator/sleep-calculator/schema.json - /calculator/sleep-calculator/llms.txt - /calculator/target-heart-rate-calculator/ — Estimate maximum heart rate and five training zones with percentage-of-maximum or Karvonen heart-rate-reserve calculations. [live] - /calculator/target-heart-rate-calculator/definition.json - /calculator/target-heart-rate-calculator/schema.json - /calculator/target-heart-rate-calculator/llms.txt - /calculator/tdee-calculator/ — Estimate basal metabolic rate and total daily energy expenditure with multiple BMR equations and six activity levels. [live] - /calculator/tdee-calculator/definition.json - /calculator/tdee-calculator/schema.json - /calculator/tdee-calculator/llms.txt - /calculator/water-intake-calculator/ — Calculate your recommended daily water intake based on weight and activity level. [live] - /calculator/water-intake-calculator/definition.json - /calculator/water-intake-calculator/schema.json - /calculator/water-intake-calculator/llms.txt - /calculator/weight-watcher-points-calculator/ — Calculate an unofficial nutrient-based points estimate for educational comparison. [live] - /calculator/weight-watcher-points-calculator/definition.json - /calculator/weight-watcher-points-calculator/schema.json - /calculator/weight-watcher-points-calculator/llms.txt - /calculator/whip-calculator/ — Calculate baseball walks plus hits per inning pitched. [live] - /calculator/whip-calculator/definition.json - /calculator/whip-calculator/schema.json - /calculator/whip-calculator/llms.txt - /calculator/wilks-calculator/ — Calculate your Wilks Score to compare strength across different body weights. [live] - /calculator/wilks-calculator/definition.json - /calculator/wilks-calculator/schema.json - /calculator/wilks-calculator/llms.txt - /calculator/adding-machine-calculator/ — Add a signed list of amounts and show a running total like a tape calculator. [live] - /calculator/adding-machine-calculator/definition.json - /calculator/adding-machine-calculator/schema.json - /calculator/adding-machine-calculator/llms.txt - /calculator/algebra-word-problems-age-calculator/ — Solve two present ages from their sum and age difference, then project them to another year. [live] - /calculator/algebra-word-problems-age-calculator/definition.json - /calculator/algebra-word-problems-age-calculator/schema.json - /calculator/algebra-word-problems-age-calculator/llms.txt - /calculator/algebra-word-problems-coins-calculator/ — Solve how many coins of two denominations make a known coin count and total value. [live] - /calculator/algebra-word-problems-coins-calculator/definition.json - /calculator/algebra-word-problems-coins-calculator/schema.json - /calculator/algebra-word-problems-coins-calculator/llms.txt - /calculator/annulus-calculator/ — Calculate the area and boundary lengths of a ring between two concentric circles. [live] - /calculator/annulus-calculator/definition.json - /calculator/annulus-calculator/schema.json - /calculator/annulus-calculator/llms.txt - /calculator/area-calculator/ — Calculate area for rectangles, triangles, trapezoids, circles, sectors, ellipses, and parallelograms. [live] - /calculator/area-calculator/definition.json - /calculator/area-calculator/schema.json - /calculator/area-calculator/llms.txt - /calculator/average-calculator/ — Calculate count, sum, arithmetic mean, minimum, and maximum. [live] - /calculator/average-calculator/definition.json - /calculator/average-calculator/schema.json - /calculator/average-calculator/llms.txt - /calculator/basic-calculator/ — A simple standard calculator for everyday arithmetic. [live] - /calculator/basic-calculator/definition.json - /calculator/basic-calculator/schema.json - /calculator/basic-calculator/llms.txt - /calculator/big-number-calculator/ — Perform arithmetic on very large integers. [live] - /calculator/big-number-calculator/definition.json - /calculator/big-number-calculator/schema.json - /calculator/big-number-calculator/llms.txt - /calculator/binary-calculator/ — Convert between Binary and Decimal number systems. [live] - /calculator/binary-calculator/definition.json - /calculator/binary-calculator/schema.json - /calculator/binary-calculator/llms.txt - /calculator/circle-calculator/ — Provide a radius, diameter, circumference, or area to calculate every main circle measurement. [live] - /calculator/circle-calculator/definition.json - /calculator/circle-calculator/schema.json - /calculator/circle-calculator/llms.txt - /calculator/circular-permutation-calculator/ — Count arrangements of distinct objects around a circle when rotations are considered identical. [live] - /calculator/circular-permutation-calculator/definition.json - /calculator/circular-permutation-calculator/schema.json - /calculator/circular-permutation-calculator/llms.txt - /calculator/common-factor-calculator/ — Find all common factors of multiple numbers. [live] - /calculator/common-factor-calculator/definition.json - /calculator/common-factor-calculator/schema.json - /calculator/common-factor-calculator/llms.txt - /calculator/completing-the-square-calculator/ — Rewrite a quadratic in vertex form and calculate its vertex and roots. [live] - /calculator/completing-the-square-calculator/definition.json - /calculator/completing-the-square-calculator/schema.json - /calculator/completing-the-square-calculator/llms.txt - /calculator/complex-fraction-calculator/ — Divide one fraction by another and reduce the result to lowest terms. [live] - /calculator/complex-fraction-calculator/definition.json - /calculator/complex-fraction-calculator/schema.json - /calculator/complex-fraction-calculator/llms.txt - /calculator/confidence-interval-calculator/ — Calculate a two-sided normal confidence interval and margin of error for a population mean. [live] - /calculator/confidence-interval-calculator/definition.json - /calculator/confidence-interval-calculator/schema.json - /calculator/confidence-interval-calculator/llms.txt - /calculator/cubic-equation-3rd-order-polynomial-calculator/ — Solve a cubic polynomial ax³ + bx² + cx + d = 0 for all real or complex roots. [live] - /calculator/cubic-equation-3rd-order-polynomial-calculator/definition.json - /calculator/cubic-equation-3rd-order-polynomial-calculator/schema.json - /calculator/cubic-equation-3rd-order-polynomial-calculator/llms.txt - /calculator/decimal-to-fraction-calculator/ — Convert a terminating or repeating decimal approximation to a reduced fraction. [live] - /calculator/decimal-to-fraction-calculator/definition.json - /calculator/decimal-to-fraction-calculator/schema.json - /calculator/decimal-to-fraction-calculator/llms.txt - /calculator/decimal-to-percent-calculator/ — Convert a decimal number to a percentage. [live] - /calculator/decimal-to-percent-calculator/definition.json - /calculator/decimal-to-percent-calculator/schema.json - /calculator/decimal-to-percent-calculator/llms.txt - /calculator/diamond-problem-solver/ — Find two numbers whose product and sum match a diamond problem. [live] - /calculator/diamond-problem-solver/definition.json - /calculator/diamond-problem-solver/schema.json - /calculator/diamond-problem-solver/llms.txt - /calculator/difference-of-two-squares-calculator/ — Evaluate and factor a² − b². [live] - /calculator/difference-of-two-squares-calculator/definition.json - /calculator/difference-of-two-squares-calculator/schema.json - /calculator/difference-of-two-squares-calculator/llms.txt - /calculator/distance-calculator/ — Calculate distance in 2D, 3D, or between two latitude/longitude coordinates on Earth. [live] - /calculator/distance-calculator/definition.json - /calculator/distance-calculator/schema.json - /calculator/distance-calculator/llms.txt - /calculator/dot-product-calculator/ — Calculate the dot product, vector magnitudes, and angle between two numeric vectors. [live] - /calculator/dot-product-calculator/definition.json - /calculator/dot-product-calculator/schema.json - /calculator/dot-product-calculator/llms.txt - /calculator/estimating-sums-and-differences-of-fractions-calculator/ — Estimate a fraction sum or difference using benchmark fractions, and compare it with the exact result. [live] - /calculator/estimating-sums-and-differences-of-fractions-calculator/definition.json - /calculator/estimating-sums-and-differences-of-fractions-calculator/schema.json - /calculator/estimating-sums-and-differences-of-fractions-calculator/llms.txt - /calculator/even-permutations-calculator/ — Count the even permutations of a set of distinct elements. [live] - /calculator/even-permutations-calculator/definition.json - /calculator/even-permutations-calculator/schema.json - /calculator/even-permutations-calculator/llms.txt - /calculator/expanded-form-calculator/ — Write an integer or decimal as a sum of place-value terms. [live] - /calculator/expanded-form-calculator/definition.json - /calculator/expanded-form-calculator/schema.json - /calculator/expanded-form-calculator/llms.txt - /calculator/exponent-calculator/ — Calculate the value of a base raised to the power of an exponent. [live] - /calculator/exponent-calculator/definition.json - /calculator/exponent-calculator/schema.json - /calculator/exponent-calculator/llms.txt - /calculator/factor-calculator/ — Find all factors and factor pairs of a number. [live] - /calculator/factor-calculator/definition.json - /calculator/factor-calculator/schema.json - /calculator/factor-calculator/llms.txt - /calculator/factorial-calculator/ — Calculate the factorial of a non-negative integer (n!). [live] - /calculator/factorial-calculator/definition.json - /calculator/factorial-calculator/schema.json - /calculator/factorial-calculator/llms.txt - /calculator/five-number-summary-calculator/ — Calculate the minimum, first quartile, median, third quartile, maximum, and interquartile range. [live] - /calculator/five-number-summary-calculator/definition.json - /calculator/five-number-summary-calculator/schema.json - /calculator/five-number-summary-calculator/llms.txt - /calculator/foil-method-calculator/ — Expand two linear binomials using the FOIL method. [live] - /calculator/foil-method-calculator/definition.json - /calculator/foil-method-calculator/schema.json - /calculator/foil-method-calculator/llms.txt - /calculator/fraction-calculator/ — Perform addition, subtraction, multiplication, and division with fractions. [live] - /calculator/fraction-calculator/definition.json - /calculator/fraction-calculator/schema.json - /calculator/fraction-calculator/llms.txt - /calculator/fractions-averaging-calculator/ — Find the exact arithmetic mean of a list of integers, fractions, or mixed numbers. [live] - /calculator/fractions-averaging-calculator/definition.json - /calculator/fractions-averaging-calculator/schema.json - /calculator/fractions-averaging-calculator/llms.txt - /calculator/fractions-solve-for-unknown-calculator/ — Solve an unknown term in an equivalent-fractions proportion a/b = c/d. [live] - /calculator/fractions-solve-for-unknown-calculator/definition.json - /calculator/fractions-solve-for-unknown-calculator/schema.json - /calculator/fractions-solve-for-unknown-calculator/llms.txt - /calculator/greatest-common-factor-calculator/ — Calculate the Greatest Common Factor (GCF/GCD) of two or more numbers. [live] - /calculator/greatest-common-factor-calculator/definition.json - /calculator/greatest-common-factor-calculator/schema.json - /calculator/greatest-common-factor-calculator/llms.txt - /calculator/half-life-calculator/ — Calculate radioactive decay, half-life, or remaining quantity. [live] - /calculator/half-life-calculator/definition.json - /calculator/half-life-calculator/schema.json - /calculator/half-life-calculator/llms.txt - /calculator/hex-calculator/ — Convert between Hexadecimal, Decimal, and Binary values instantly. [live] - /calculator/hex-calculator/definition.json - /calculator/hex-calculator/schema.json - /calculator/hex-calculator/llms.txt - /calculator/improper-fractions-to-mixed-numbers-calculator/ — Convert an improper fraction to a reduced mixed number. [live] - /calculator/improper-fractions-to-mixed-numbers-calculator/definition.json - /calculator/improper-fractions-to-mixed-numbers-calculator/schema.json - /calculator/improper-fractions-to-mixed-numbers-calculator/llms.txt - /calculator/inverse-trigonometric-functions-calculator/ — Calculate arcsine, arccosine, or arctangent in degrees and radians. [live] - /calculator/inverse-trigonometric-functions-calculator/definition.json - /calculator/inverse-trigonometric-functions-calculator/schema.json - /calculator/inverse-trigonometric-functions-calculator/llms.txt - /calculator/lattice-multiplication-calculator/ — Multiply nonnegative integers and show digit-by-digit partial products used by a lattice method. [live] - /calculator/lattice-multiplication-calculator/definition.json - /calculator/lattice-multiplication-calculator/schema.json - /calculator/lattice-multiplication-calculator/llms.txt - /calculator/lcd-least-common-denominator-calculator/ — Find the least common denominator for two or more fractions or denominators. [live] - /calculator/lcd-least-common-denominator-calculator/definition.json - /calculator/lcd-least-common-denominator-calculator/schema.json - /calculator/lcd-least-common-denominator-calculator/llms.txt - /calculator/least-common-multiple-calculator/ — Calculate the Least Common Multiple (LCM) of two or more numbers. [live] - /calculator/least-common-multiple-calculator/definition.json - /calculator/least-common-multiple-calculator/schema.json - /calculator/least-common-multiple-calculator/llms.txt - /calculator/logarithm-calculator/ — Calculate the logarithm of a number with any base. [live] - /calculator/logarithm-calculator/definition.json - /calculator/logarithm-calculator/schema.json - /calculator/logarithm-calculator/llms.txt - /calculator/long-addition-calculator/ — Add a list of whole integers exactly and show a running total. [live] - /calculator/long-addition-calculator/definition.json - /calculator/long-addition-calculator/schema.json - /calculator/long-addition-calculator/llms.txt - /calculator/long-division-calculator/ — Calculate quotient and remainder for division problems. [live] - /calculator/long-division-calculator/definition.json - /calculator/long-division-calculator/schema.json - /calculator/long-division-calculator/llms.txt - /calculator/long-multiplication-calculator/ — Multiply whole integers exactly and display place-value partial products. [live] - /calculator/long-multiplication-calculator/definition.json - /calculator/long-multiplication-calculator/schema.json - /calculator/long-multiplication-calculator/llms.txt - /calculator/long-subtraction-calculator/ — Subtract one whole integer from another exactly. [live] - /calculator/long-subtraction-calculator/definition.json - /calculator/long-subtraction-calculator/schema.json - /calculator/long-subtraction-calculator/llms.txt - /calculator/math-equation-solver/ — Solve a linear equation ax + b = c or a quadratic equation ax² + bx + c = 0. [live] - /calculator/math-equation-solver/definition.json - /calculator/math-equation-solver/schema.json - /calculator/math-equation-solver/llms.txt - /calculator/math-word-problems-addition-and-multiplication-calculator/ — Model a common groups-times-items-plus-extra word problem. [live] - /calculator/math-word-problems-addition-and-multiplication-calculator/definition.json - /calculator/math-word-problems-addition-and-multiplication-calculator/schema.json - /calculator/math-word-problems-addition-and-multiplication-calculator/llms.txt - /calculator/math-word-problems-division-calculator/ — Solve equal-sharing and equal-grouping division word problems. [live] - /calculator/math-word-problems-division-calculator/definition.json - /calculator/math-word-problems-division-calculator/schema.json - /calculator/math-word-problems-division-calculator/llms.txt - /calculator/matrix-calculator/ — Perform addition, subtraction, and multiplication on 2x2 and 3x3 matrices. [live] - /calculator/matrix-calculator/definition.json - /calculator/matrix-calculator/schema.json - /calculator/matrix-calculator/llms.txt - /calculator/mean-median-mode-range-calculator/ — Calculate mean, median, mode, range, minimum, maximum, sum, and a sorted data table. [live] - /calculator/mean-median-mode-range-calculator/definition.json - /calculator/mean-median-mode-range-calculator/schema.json - /calculator/mean-median-mode-range-calculator/llms.txt - /calculator/mixed-number-to-decimal-calculator/ — Convert a mixed number to a decimal and improper fraction. [live] - /calculator/mixed-number-to-decimal-calculator/definition.json - /calculator/mixed-number-to-decimal-calculator/schema.json - /calculator/mixed-number-to-decimal-calculator/llms.txt - /calculator/mixed-number-to-percent-calculator/ — Convert a mixed number to a decimal percentage. [live] - /calculator/mixed-number-to-percent-calculator/definition.json - /calculator/mixed-number-to-percent-calculator/schema.json - /calculator/mixed-number-to-percent-calculator/llms.txt - /calculator/mixed-numbers-calculator/ — Add, subtract, multiply, or divide two mixed numbers with an exact reduced result. [live] - /calculator/mixed-numbers-calculator/definition.json - /calculator/mixed-numbers-calculator/schema.json - /calculator/mixed-numbers-calculator/llms.txt - /calculator/mixed-numbers-to-improper-fractions-calculator/ — Convert a mixed number to a reduced improper fraction. [live] - /calculator/mixed-numbers-to-improper-fractions-calculator/definition.json - /calculator/mixed-numbers-to-improper-fractions-calculator/schema.json - /calculator/mixed-numbers-to-improper-fractions-calculator/llms.txt - /calculator/multifactorial-n-to-n-calculator/ — Calculate n-factorials with step sizes from one through five using exact integer arithmetic. [live] - /calculator/multifactorial-n-to-n-calculator/definition.json - /calculator/multifactorial-n-to-n-calculator/schema.json - /calculator/multifactorial-n-to-n-calculator/llms.txt - /calculator/number-sequence-calculator/ — Find terms, partial sums, and a preview for arithmetic, geometric, or Fibonacci sequences. [live] - /calculator/number-sequence-calculator/definition.json - /calculator/number-sequence-calculator/schema.json - /calculator/number-sequence-calculator/llms.txt - /calculator/odd-permutations-calculator/ — Count the odd permutations of a set of distinct elements. [live] - /calculator/odd-permutations-calculator/definition.json - /calculator/odd-permutations-calculator/schema.json - /calculator/odd-permutations-calculator/llms.txt - /calculator/odds-calculator/ — Convert probability to odds for and against, or convert entered odds to probability. [live] - /calculator/odds-calculator/definition.json - /calculator/odds-calculator/schema.json - /calculator/odds-calculator/llms.txt - /calculator/ordering-fractions-calculator/ — Sort a list of integers, fractions, decimals, or mixed numbers from least to greatest or greatest to least. [live] - /calculator/ordering-fractions-calculator/definition.json - /calculator/ordering-fractions-calculator/schema.json - /calculator/ordering-fractions-calculator/llms.txt - /calculator/p-value-calculator/ — Calculate P-values from Z-scores (Normal Distribution). [live] - /calculator/p-value-calculator/definition.json - /calculator/p-value-calculator/schema.json - /calculator/p-value-calculator/llms.txt - /calculator/percent-error-calculator/ — Compare an observed value with an exact or accepted value. [live] - /calculator/percent-error-calculator/definition.json - /calculator/percent-error-calculator/schema.json - /calculator/percent-error-calculator/llms.txt - /calculator/percentage-calculator/ — Solve five common percentage problems without changing pages. [live] - /calculator/percentage-calculator/definition.json - /calculator/percentage-calculator/schema.json - /calculator/percentage-calculator/llms.txt - /calculator/percentage-change-word-problems-calculator/ — Calculate percentage increase or decrease and show the change relationship. [live] - /calculator/percentage-change-word-problems-calculator/definition.json - /calculator/percentage-change-word-problems-calculator/schema.json - /calculator/percentage-change-word-problems-calculator/llms.txt - /calculator/percentage-difference-calculator/ — Measure the absolute difference between two values relative to their average magnitude. [live] - /calculator/percentage-difference-calculator/definition.json - /calculator/percentage-difference-calculator/schema.json - /calculator/percentage-difference-calculator/llms.txt - /calculator/percentile-calculator/ — Calculate a requested percentile using linear interpolation and display a percentile table. [live] - /calculator/percentile-calculator/definition.json - /calculator/percentile-calculator/schema.json - /calculator/percentile-calculator/llms.txt - /calculator/permutation-and-combination-calculator/ — Calculate exact permutations and combinations with or without replacement. [live] - /calculator/permutation-and-combination-calculator/definition.json - /calculator/permutation-and-combination-calculator/schema.json - /calculator/permutation-and-combination-calculator/llms.txt - /calculator/permutation-calculator/ — Calculate Permutations (nPr) and Combinations (nCr). [live] - /calculator/permutation-calculator/definition.json - /calculator/permutation-calculator/schema.json - /calculator/permutation-calculator/llms.txt - /calculator/place-value-calculator/ — Identify each digit’s place name and value in an integer or decimal. [live] - /calculator/place-value-calculator/definition.json - /calculator/place-value-calculator/schema.json - /calculator/place-value-calculator/llms.txt - /calculator/prime-factorization-calculator/ — Break a positive integer into prime factors and identify prime numbers. [live] - /calculator/prime-factorization-calculator/definition.json - /calculator/prime-factorization-calculator/schema.json - /calculator/prime-factorization-calculator/llms.txt - /calculator/probability-calculator/ — Calculate independent-event relationships, repeated-event probabilities, normal-distribution areas, or binomial probabilities. [live] - /calculator/probability-calculator/definition.json - /calculator/probability-calculator/schema.json - /calculator/probability-calculator/llms.txt - /calculator/pyramid-frustum-calculator/ — Calculate volume and surface area for a square-pyramid frustum. [live] - /calculator/pyramid-frustum-calculator/definition.json - /calculator/pyramid-frustum-calculator/schema.json - /calculator/pyramid-frustum-calculator/llms.txt - /calculator/pythagorean-theorem-calculator/ — Provide any two sides of a right triangle to solve the third side, area, perimeter, and squared terms. [live] - /calculator/pythagorean-theorem-calculator/definition.json - /calculator/pythagorean-theorem-calculator/schema.json - /calculator/pythagorean-theorem-calculator/llms.txt - /calculator/quadratic-formula-calculator/ — Find real or complex roots, discriminant, vertex, and axis of symmetry. [live] - /calculator/quadratic-formula-calculator/definition.json - /calculator/quadratic-formula-calculator/schema.json - /calculator/quadratic-formula-calculator/llms.txt - /calculator/quartile-calculator/ — Calculate quartiles, the interquartile range, fences, and five-number summary. [live] - /calculator/quartile-calculator/definition.json - /calculator/quartile-calculator/schema.json - /calculator/quartile-calculator/llms.txt - /calculator/random-number-generator/ — Generate reproducible whole numbers from an inclusive range using a saved seed. [live] - /calculator/random-number-generator/definition.json - /calculator/random-number-generator/schema.json - /calculator/random-number-generator/llms.txt - /calculator/ratio-calculator/ — Simplify an integer ratio and optionally scale it from a new first value. [live] - /calculator/ratio-calculator/definition.json - /calculator/ratio-calculator/schema.json - /calculator/ratio-calculator/llms.txt - /calculator/regular-polygon-calculator/ — Calculate perimeter, area, apothem, circumradius, and angles from side count and side length. [live] - /calculator/regular-polygon-calculator/definition.json - /calculator/regular-polygon-calculator/schema.json - /calculator/regular-polygon-calculator/llms.txt - /calculator/rhombus-calculator/ — Calculate rhombus area and perimeter from diagonals or from side and height. [live] - /calculator/rhombus-calculator/definition.json - /calculator/rhombus-calculator/schema.json - /calculator/rhombus-calculator/llms.txt - /calculator/right-triangle-calculator/ — Solve a right triangle from two known values and calculate all sides, acute angles, altitude, area, and perimeter. [live] - /calculator/right-triangle-calculator/definition.json - /calculator/right-triangle-calculator/schema.json - /calculator/right-triangle-calculator/llms.txt - /calculator/root-calculator/ — Calculate the nth root of a number. [live] - /calculator/root-calculator/definition.json - /calculator/root-calculator/schema.json - /calculator/root-calculator/llms.txt - /calculator/round-to-nearest-multiple-calculator/ — Round a number to the nearest, lower, or upper multiple of another number. [live] - /calculator/round-to-nearest-multiple-calculator/definition.json - /calculator/round-to-nearest-multiple-calculator/schema.json - /calculator/round-to-nearest-multiple-calculator/llms.txt - /calculator/rounding-calculator/ — Round numbers to specific decimal places using various methods. [live] - /calculator/rounding-calculator/definition.json - /calculator/rounding-calculator/schema.json - /calculator/rounding-calculator/llms.txt - /calculator/sample-size-calculator/ — Calculate a required survey sample size or the margin of error for a proportion, including finite-population correction. [live] - /calculator/sample-size-calculator/definition.json - /calculator/sample-size-calculator/schema.json - /calculator/sample-size-calculator/llms.txt - /calculator/scientific-calculator/ — Perform complex mathematical operations including trigonometry, logarithms, and exponents. [live] - /calculator/scientific-calculator/definition.json - /calculator/scientific-calculator/schema.json - /calculator/scientific-calculator/llms.txt - /calculator/scientific-notation-calculator/ — Convert numbers between standard decimal and scientific notation. [live] - /calculator/scientific-notation-calculator/definition.json - /calculator/scientific-notation-calculator/schema.json - /calculator/scientific-notation-calculator/llms.txt - /calculator/significant-figures-calculator/ — Perform arithmetic and round the result using significant-figure rules. [live] - /calculator/significant-figures-calculator/definition.json - /calculator/significant-figures-calculator/schema.json - /calculator/significant-figures-calculator/llms.txt - /calculator/significant-figures-counter-calculator/ — Count significant figures and identify decimal-place precision in a written number. [live] - /calculator/significant-figures-counter-calculator/definition.json - /calculator/significant-figures-counter-calculator/schema.json - /calculator/significant-figures-counter-calculator/llms.txt - /calculator/significant-figures-rounding-calculator/ — Round a number to a selected number of significant figures. [live] - /calculator/significant-figures-rounding-calculator/definition.json - /calculator/significant-figures-rounding-calculator/schema.json - /calculator/significant-figures-rounding-calculator/llms.txt - /calculator/simplify-radical-expressions-calculator/ — Extract perfect powers from a nonnegative integer radical. [live] - /calculator/simplify-radical-expressions-calculator/definition.json - /calculator/simplify-radical-expressions-calculator/schema.json - /calculator/simplify-radical-expressions-calculator/llms.txt - /calculator/simplifying-complex-fractions-calculator/ — Simplify a complex fraction whose numerator and denominator each contain a sum or difference of two fractions. [live] - /calculator/simplifying-complex-fractions-calculator/definition.json - /calculator/simplifying-complex-fractions-calculator/schema.json - /calculator/simplifying-complex-fractions-calculator/llms.txt - /calculator/slope-calculator/ — Calculate line slope from two points, or project a second point from a starting point, distance, and slope or angle. [live] - /calculator/slope-calculator/definition.json - /calculator/slope-calculator/schema.json - /calculator/slope-calculator/llms.txt - /calculator/stadium-calculator/ — Calculate area and perimeter of a stadium shape: a rectangle capped by two semicircles. [live] - /calculator/stadium-calculator/definition.json - /calculator/stadium-calculator/schema.json - /calculator/stadium-calculator/llms.txt - /calculator/standard-deviation-calculator/ — Calculate population or sample standard deviation, variance, mean, sum, standard error, and margin of error. [live] - /calculator/standard-deviation-calculator/definition.json - /calculator/standard-deviation-calculator/schema.json - /calculator/standard-deviation-calculator/llms.txt - /calculator/statistics-calculator/ — Calculate comprehensive descriptive statistics for a numeric data set. [live] - /calculator/statistics-calculator/definition.json - /calculator/statistics-calculator/schema.json - /calculator/statistics-calculator/llms.txt - /calculator/surface-area-calculator/ — Calculate total and component surface areas for nine common three-dimensional shapes. [live] - /calculator/surface-area-calculator/definition.json - /calculator/surface-area-calculator/schema.json - /calculator/surface-area-calculator/llms.txt - /calculator/triangle-calculator/ — Solve a general triangle from three known values, including at least one side, and calculate sides, angles, area, radii, and medians. [live] - /calculator/triangle-calculator/definition.json - /calculator/triangle-calculator/schema.json - /calculator/triangle-calculator/llms.txt - /calculator/triangular-prism-calculator/ — Calculate volume and surface area of a triangular prism from triangle sides, triangle height, and prism length. [live] - /calculator/triangular-prism-calculator/definition.json - /calculator/triangular-prism-calculator/schema.json - /calculator/triangular-prism-calculator/llms.txt - /calculator/volume-calculator/ — Calculate volume and related surface measurements for eleven common three-dimensional shapes. [live] - /calculator/volume-calculator/definition.json - /calculator/volume-calculator/schema.json - /calculator/volume-calculator/llms.txt - /calculator/z-score-calculator/ — Calculate a z-score, convert between z and normal probability, or find probability between two z-scores. [live] - /calculator/z-score-calculator/definition.json - /calculator/z-score-calculator/schema.json - /calculator/z-score-calculator/llms.txt - /calculator/bandwidth-calculator/ — Calculate download/upload time. [live] - /calculator/bandwidth-calculator/definition.json - /calculator/bandwidth-calculator/schema.json - /calculator/bandwidth-calculator/llms.txt - /calculator/base64-converter/ — Encode and decode Base64 strings. [live] - /calculator/base64-converter/definition.json - /calculator/base64-converter/schema.json - /calculator/base64-converter/llms.txt - /calculator/braille-translator/ — Translate text to Braille symbols. [live] - /calculator/braille-translator/definition.json - /calculator/braille-translator/schema.json - /calculator/braille-translator/llms.txt - /calculator/color-converter/ — Convert colors between HEX, RGB, and HSL formats. [live] - /calculator/color-converter/definition.json - /calculator/color-converter/schema.json - /calculator/color-converter/llms.txt - /calculator/ip-subnet-calculator/ — Professional tool to calculate network range, broadcast address, and usable host capacity. [live] - /calculator/ip-subnet-calculator/definition.json - /calculator/ip-subnet-calculator/schema.json - /calculator/ip-subnet-calculator/llms.txt - /calculator/json-formatter/ — Format and validate JSON data. [live] - /calculator/json-formatter/definition.json - /calculator/json-formatter/schema.json - /calculator/json-formatter/llms.txt - /calculator/lorem-ipsum-generator/ — Generate placeholder text for your designs. [live] - /calculator/lorem-ipsum-generator/definition.json - /calculator/lorem-ipsum-generator/schema.json - /calculator/lorem-ipsum-generator/llms.txt - /calculator/morse-code-translator/ — Convert standard text into Morse code signals for communication or learning. [live] - /calculator/morse-code-translator/definition.json - /calculator/morse-code-translator/schema.json - /calculator/morse-code-translator/llms.txt - /calculator/password-generator/ — Generate a cryptographically secure password locally; bookmarkable URLs save settings, not the password. [live] - /calculator/password-generator/definition.json - /calculator/password-generator/schema.json - /calculator/password-generator/llms.txt - /calculator/qr-code-generator/ — Create instant QR codes for website URLs, plain text, or contact information. [live] - /calculator/qr-code-generator/definition.json - /calculator/qr-code-generator/schema.json - /calculator/qr-code-generator/llms.txt - /calculator/uuid-generator/ — Generate cryptographically secure version 4 UUIDs locally; bookmarkable URLs save the quantity, not generated UUIDs. [live] - /calculator/uuid-generator/definition.json - /calculator/uuid-generator/schema.json - /calculator/uuid-generator/llms.txt - /calculator/age-calculator/ — Find exact age, total days, and the next birthday from two dates. [live] - /calculator/age-calculator/definition.json - /calculator/age-calculator/schema.json - /calculator/age-calculator/llms.txt - /calculator/date-calculator/ — Calculate duration between dates or add/subtract days from a starting point. [live] - /calculator/date-calculator/definition.json - /calculator/date-calculator/schema.json - /calculator/date-calculator/llms.txt - /calculator/date-difference-calculator/ — Find the exact calendar difference and total days between two dates. [live] - /calculator/date-difference-calculator/definition.json - /calculator/date-difference-calculator/schema.json - /calculator/date-difference-calculator/llms.txt - /calculator/day-counter/ — Quickly calculate the exact number of days between two specific dates. [live] - /calculator/day-counter/definition.json - /calculator/day-counter/schema.json - /calculator/day-counter/llms.txt - /calculator/day-of-week-calculator/ — Find the weekday, day of year, ISO week number, and leap-year status. [live] - /calculator/day-of-week-calculator/definition.json - /calculator/day-of-week-calculator/schema.json - /calculator/day-of-week-calculator/llms.txt - /calculator/decimal-to-time-calculator/ — Convert decimal hours to days, hours, minutes, and seconds. [live] - /calculator/decimal-to-time-calculator/definition.json - /calculator/decimal-to-time-calculator/schema.json - /calculator/decimal-to-time-calculator/llms.txt - /calculator/hours-to-days-converter/ — Convert hours to decimal days and days plus remaining hours. [live] - /calculator/hours-to-days-converter/definition.json - /calculator/hours-to-days-converter/schema.json - /calculator/hours-to-days-converter/llms.txt - /calculator/hours-to-minutes-converter/ — Convert hours to minutes. [live] - /calculator/hours-to-minutes-converter/definition.json - /calculator/hours-to-minutes-converter/schema.json - /calculator/hours-to-minutes-converter/llms.txt - /calculator/hours-calculator/ — Quickly calculate total shift duration minus break time for payroll or time tracking. [live] - /calculator/hours-calculator/definition.json - /calculator/hours-calculator/schema.json - /calculator/hours-calculator/llms.txt - /calculator/leap-year-calculator/ — Quickly determine if a specific year is a leap year according to the Gregorian calendar. [live] - /calculator/leap-year-calculator/definition.json - /calculator/leap-year-calculator/schema.json - /calculator/leap-year-calculator/llms.txt - /calculator/military-time-converter/ — Convert between 24-hour military time and 12-hour time with AM or PM. [live] - /calculator/military-time-converter/definition.json - /calculator/military-time-converter/schema.json - /calculator/military-time-converter/llms.txt - /calculator/milliseconds-calculator/ — Quickly convert milliseconds into standard time units like seconds and minutes. [live] - /calculator/milliseconds-calculator/definition.json - /calculator/milliseconds-calculator/schema.json - /calculator/milliseconds-calculator/llms.txt - /calculator/minutes-calculator/ — Easily convert minutes into hours or seconds for scheduling and timing. [live] - /calculator/minutes-calculator/definition.json - /calculator/minutes-calculator/schema.json - /calculator/minutes-calculator/llms.txt - /calculator/moon-phase-calculator/ — Visualize and track the current phase of the moon for any given date. [live] - /calculator/moon-phase-calculator/definition.json - /calculator/moon-phase-calculator/schema.json - /calculator/moon-phase-calculator/llms.txt - /calculator/seconds-calculator/ — Convert seconds to minutes and hours. [live] - /calculator/seconds-calculator/definition.json - /calculator/seconds-calculator/schema.json - /calculator/seconds-calculator/llms.txt - /calculator/sunrise-sunset-times-calculator/ — Estimate sunrise, sunset, solar noon, and day length from date, latitude, longitude, and UTC offset. [live] - /calculator/sunrise-sunset-times-calculator/definition.json - /calculator/sunrise-sunset-times-calculator/schema.json - /calculator/sunrise-sunset-times-calculator/llms.txt - /calculator/time-and-date-difference-calculator/ — Calculate signed elapsed time between two dates and clock times. [live] - /calculator/time-and-date-difference-calculator/definition.json - /calculator/time-and-date-difference-calculator/schema.json - /calculator/time-and-date-difference-calculator/llms.txt - /calculator/time-calculator/ — Quickly add or subtract time values using a 24-hour clock format. [live] - /calculator/time-calculator/definition.json - /calculator/time-calculator/schema.json - /calculator/time-calculator/llms.txt - /calculator/time-conversion-calculator/ — Convert time intervals between subsecond, second, minute, hour, day, week, month, and year units. [live] - /calculator/time-conversion-calculator/definition.json - /calculator/time-conversion-calculator/schema.json - /calculator/time-conversion-calculator/llms.txt - /calculator/time-duration-calculator/ — Calculate elapsed time between two clock times, including an optional next day. [live] - /calculator/time-duration-calculator/definition.json - /calculator/time-duration-calculator/schema.json - /calculator/time-duration-calculator/llms.txt - /calculator/time-card-calculator/ — Track your weekly work hours, breaks, and estimated earnings accurately. [live] - /calculator/time-card-calculator/definition.json - /calculator/time-card-calculator/schema.json - /calculator/time-card-calculator/llms.txt - /calculator/work-hours-calculator/ — Calculate daily billable hours and total pay for a shift. [live] - /calculator/work-hours-calculator/definition.json - /calculator/work-hours-calculator/schema.json - /calculator/work-hours-calculator/llms.txt - /calculator/time-zone-calculator/ — Quickly convert your local time to any major global time zone. [live] - /calculator/time-zone-calculator/definition.json - /calculator/time-zone-calculator/schema.json - /calculator/time-zone-calculator/llms.txt - /calculator/btu-calculator/ — Estimate BTU requirement for heating or cooling a room. [live] - /calculator/btu-calculator/definition.json - /calculator/btu-calculator/schema.json - /calculator/btu-calculator/llms.txt - /calculator/concrete-calculator/ — Estimate concrete quantities, explicit waste, supplier bag yields and optional material/labor cost. [live] - /calculator/concrete-calculator/definition.json - /calculator/concrete-calculator/schema.json - /calculator/concrete-calculator/llms.txt - /calculator/gravel-calculator/ — Estimate the amount of gravel needed for your driveway, path, or landscaping project. [live] - /calculator/gravel-calculator/definition.json - /calculator/gravel-calculator/schema.json - /calculator/gravel-calculator/llms.txt - /calculator/mulch-calculator/ — Estimate the volume of mulch or soil needed for your garden beds and landscaping projects. [live] - /calculator/mulch-calculator/definition.json - /calculator/mulch-calculator/schema.json - /calculator/mulch-calculator/llms.txt - /calculator/paint-calculator/ — Estimate paint quantity from wall area, openings, coats, coverage, and waste allowance. [live] - /calculator/paint-calculator/definition.json - /calculator/paint-calculator/schema.json - /calculator/paint-calculator/llms.txt - /calculator/roofing-calculator/ — Estimate the required amount of roofing 'squares' and shingle bundles based on footprint area and roof pitch. [live] - /calculator/roofing-calculator/definition.json - /calculator/roofing-calculator/schema.json - /calculator/roofing-calculator/llms.txt - /calculator/square-footage-calculator/ — Calculate area for repeated rectangular spaces in square feet, yards, and acres. [live] - /calculator/square-footage-calculator/definition.json - /calculator/square-footage-calculator/schema.json - /calculator/square-footage-calculator/llms.txt - /calculator/stair-calculator/ — Determine the riser height, number of steps, and total run for a stair stringer. [live] - /calculator/stair-calculator/definition.json - /calculator/stair-calculator/schema.json - /calculator/stair-calculator/llms.txt - /calculator/tile-calculator/ — Determine the number of tiles needed for your flooring project, including a waste factor. [live] - /calculator/tile-calculator/definition.json - /calculator/tile-calculator/schema.json - /calculator/tile-calculator/llms.txt - /calculator/acceleration-calculator/ — Calculate acceleration from change in velocity over time. [live] - /calculator/acceleration-calculator/definition.json - /calculator/acceleration-calculator/schema.json - /calculator/acceleration-calculator/llms.txt - /calculator/density-calculator/ — Calculate density in kilograms per cubic meter and grams per cubic centimeter. [live] - /calculator/density-calculator/definition.json - /calculator/density-calculator/schema.json - /calculator/density-calculator/llms.txt - /calculator/dew-point-calculator/ — Calculate the dew point temperature from current air temperature and relative humidity. [live] - /calculator/dew-point-calculator/definition.json - /calculator/dew-point-calculator/schema.json - /calculator/dew-point-calculator/llms.txt - /calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/ — Solve displacement, average velocity, or time from s = v̄t. [live] - /calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/definition.json - /calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/schema.json - /calculator/displacement-as-a-function-of-average-velocity-and-time-calculator/llms.txt - /calculator/displacement-as-a-function-of-velocity-and-time-calculator/ — Calculate displacement from initial velocity, final velocity, and elapsed time. [live] - /calculator/displacement-as-a-function-of-velocity-and-time-calculator/definition.json - /calculator/displacement-as-a-function-of-velocity-and-time-calculator/schema.json - /calculator/displacement-as-a-function-of-velocity-and-time-calculator/llms.txt - /calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/ — Calculate displacement from initial velocity, constant acceleration, and time. [live] - /calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/definition.json - /calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/schema.json - /calculator/displacement-as-a-function-of-velocity-acceleration-and-time-calculator/llms.txt - /calculator/e-mc2-calculator/ — Convert mass to rest energy with Einstein’s mass-energy equivalence. [live] - /calculator/e-mc2-calculator/definition.json - /calculator/e-mc2-calculator/schema.json - /calculator/e-mc2-calculator/llms.txt - /calculator/elastic-potential-energy-calculator/ — Calculate energy stored in a stretched or compressed ideal spring. [live] - /calculator/elastic-potential-energy-calculator/definition.json - /calculator/elastic-potential-energy-calculator/schema.json - /calculator/elastic-potential-energy-calculator/llms.txt - /calculator/electricity-calculator/ — Estimate the electricity cost of running appliances based on their wattage and usage time. [live] - /calculator/electricity-calculator/definition.json - /calculator/electricity-calculator/schema.json - /calculator/electricity-calculator/llms.txt - /calculator/electricity-cost-calculator/ — Estimate energy use and electricity cost for one or more devices. [live] - /calculator/electricity-cost-calculator/definition.json - /calculator/electricity-cost-calculator/schema.json - /calculator/electricity-cost-calculator/llms.txt - /calculator/engine-horsepower-calculator/ — Estimate peak engine horsepower based on displacement, RPM, and volumetric efficiency. [live] - /calculator/engine-horsepower-calculator/definition.json - /calculator/engine-horsepower-calculator/schema.json - /calculator/engine-horsepower-calculator/llms.txt - /calculator/force-calculator/ — Calculate net force, mass, or acceleration from Newton’s second law. [live] - /calculator/force-calculator/definition.json - /calculator/force-calculator/schema.json - /calculator/force-calculator/llms.txt - /calculator/friction-calculator/ — Calculate friction force from a coefficient of friction and normal force or mass. [live] - /calculator/friction-calculator/definition.json - /calculator/friction-calculator/schema.json - /calculator/friction-calculator/llms.txt - /calculator/gravitational-potential-energy-calculator/ — Calculate gravitational potential energy near a planet’s surface. [live] - /calculator/gravitational-potential-energy-calculator/definition.json - /calculator/gravitational-potential-energy-calculator/schema.json - /calculator/gravitational-potential-energy-calculator/llms.txt - /calculator/heat-index-calculator/ — Calculate the 'feels like' temperature by combining air temperature and relative humidity. [live] - /calculator/heat-index-calculator/definition.json - /calculator/heat-index-calculator/schema.json - /calculator/heat-index-calculator/llms.txt - /calculator/hookes-law-calculator/ — Solve spring force, spring constant, or displacement using Hooke’s law. [live] - /calculator/hookes-law-calculator/definition.json - /calculator/hookes-law-calculator/schema.json - /calculator/hookes-law-calculator/llms.txt - /calculator/horsepower-calculator/ — Determine an engine's mechanical horsepower by providing its torque output and rotational speed (RPM). [live] - /calculator/horsepower-calculator/definition.json - /calculator/horsepower-calculator/schema.json - /calculator/horsepower-calculator/llms.txt - /calculator/ideal-gas-law-calculator/ — Solve pressure, volume, amount, or absolute temperature for an ideal gas in SI units. [live] - /calculator/ideal-gas-law-calculator/definition.json - /calculator/ideal-gas-law-calculator/schema.json - /calculator/ideal-gas-law-calculator/llms.txt - /calculator/impulse-calculator/ — Calculate impulse, average force, or contact time from J = FΔt. [live] - /calculator/impulse-calculator/definition.json - /calculator/impulse-calculator/schema.json - /calculator/impulse-calculator/llms.txt - /calculator/impulse-momentum-calculator/ — Calculate impulse and momentum change from mass and initial/final velocity. [live] - /calculator/impulse-momentum-calculator/definition.json - /calculator/impulse-momentum-calculator/schema.json - /calculator/impulse-momentum-calculator/llms.txt - /calculator/kinetic-energy-calculator/ — Calculate translational kinetic energy, mass, or speed. [live] - /calculator/kinetic-energy-calculator/definition.json - /calculator/kinetic-energy-calculator/schema.json - /calculator/kinetic-energy-calculator/llms.txt - /calculator/mass-calculator/ — Calculate the total mass of an object based on its density and volume. [live] - /calculator/mass-calculator/definition.json - /calculator/mass-calculator/schema.json - /calculator/mass-calculator/llms.txt - /calculator/molarity-calculator/ — Calculate the molar concentration of a solute in a solution by mass, volume, and molar mass. [live] - /calculator/molarity-calculator/definition.json - /calculator/molarity-calculator/schema.json - /calculator/molarity-calculator/llms.txt - /calculator/molecular-weight-calculator/ — Calculate molar mass from a neutral molecular formula, including nested groups and hydrate notation. [live] - /calculator/molecular-weight-calculator/definition.json - /calculator/molecular-weight-calculator/schema.json - /calculator/molecular-weight-calculator/llms.txt - /calculator/momentum-p-mv-calculator/ — Calculate linear momentum, mass, or velocity. [live] - /calculator/momentum-p-mv-calculator/definition.json - /calculator/momentum-p-mv-calculator/schema.json - /calculator/momentum-p-mv-calculator/llms.txt - /calculator/ohms-law-calculator/ — Calculate voltage, current, resistance, and power from a selected known pair. [live] - /calculator/ohms-law-calculator/definition.json - /calculator/ohms-law-calculator/schema.json - /calculator/ohms-law-calculator/llms.txt - /calculator/pressure-calculator/ — Calculate pressure, force, or area using P = F/A. [live] - /calculator/pressure-calculator/definition.json - /calculator/pressure-calculator/schema.json - /calculator/pressure-calculator/llms.txt - /calculator/resistor-calculator/ — Decode the resistance value and tolerance of axial resistors using the standard electronic color code system. [live] - /calculator/resistor-calculator/definition.json - /calculator/resistor-calculator/schema.json - /calculator/resistor-calculator/llms.txt - /calculator/speed-calculator/ — Calculate average speed and pace from distance and elapsed time. [live] - /calculator/speed-calculator/definition.json - /calculator/speed-calculator/schema.json - /calculator/speed-calculator/llms.txt - /calculator/uniformly-accelerated-motion-calculator/ — Solve one constant-acceleration motion variable from standard one-dimensional kinematic equations. [live] - /calculator/uniformly-accelerated-motion-calculator/definition.json - /calculator/uniformly-accelerated-motion-calculator/schema.json - /calculator/uniformly-accelerated-motion-calculator/llms.txt - /calculator/velocity-as-a-function-of-acceleration-and-time-calculator/ — Calculate final velocity from initial velocity, acceleration, and elapsed time. [live] - /calculator/velocity-as-a-function-of-acceleration-and-time-calculator/definition.json - /calculator/velocity-as-a-function-of-acceleration-and-time-calculator/schema.json - /calculator/velocity-as-a-function-of-acceleration-and-time-calculator/llms.txt - /calculator/velocity-calculator/ — Calculate average velocity based on displacement and time. [live] - /calculator/velocity-calculator/definition.json - /calculator/velocity-calculator/schema.json - /calculator/velocity-calculator/llms.txt - /calculator/voltage-drop-calculator/ — Calculate voltage drop in a wire run (Single Phase). [live] - /calculator/voltage-drop-calculator/definition.json - /calculator/voltage-drop-calculator/schema.json - /calculator/voltage-drop-calculator/llms.txt - /calculator/wavelength-calculator/ — Calculate wavelength, wave speed, or frequency. [live] - /calculator/wavelength-calculator/definition.json - /calculator/wavelength-calculator/schema.json - /calculator/wavelength-calculator/llms.txt - /calculator/physics-weight-calculator/ — Calculate weight force, mass, or gravitational acceleration. [live] - /calculator/physics-weight-calculator/definition.json - /calculator/physics-weight-calculator/schema.json - /calculator/physics-weight-calculator/llms.txt - /calculator/weight-calculator/ — Calculate your weight on different celestial bodies in our solar system. [live] - /calculator/weight-calculator/definition.json - /calculator/weight-calculator/schema.json - /calculator/weight-calculator/llms.txt - /calculator/wind-chill-calculator/ — Calculate the perceived temperature due to wind cooling effect. [live] - /calculator/wind-chill-calculator/definition.json - /calculator/wind-chill-calculator/schema.json - /calculator/wind-chill-calculator/llms.txt - /calculator/work-calculator/ — Calculate mechanical work from force, displacement, and the angle between them. [live] - /calculator/work-calculator/definition.json - /calculator/work-calculator/schema.json - /calculator/work-calculator/llms.txt - /calculator/acceleration-conversion-calculator/ — Convert acceleration between SI, imperial, Gal, and standard-gravity units. [live] - /calculator/acceleration-conversion-calculator/definition.json - /calculator/acceleration-conversion-calculator/schema.json - /calculator/acceleration-conversion-calculator/llms.txt - /calculator/angle-conversion-calculator/ — Convert angles among degrees, radians, gradians, turns, arcminutes, and arcseconds. [live] - /calculator/angle-conversion-calculator/definition.json - /calculator/angle-conversion-calculator/schema.json - /calculator/angle-conversion-calculator/llms.txt - /calculator/aspect-ratio-calculator/ — Calculate aspect ratios and resize dimensions. [live] - /calculator/aspect-ratio-calculator/definition.json - /calculator/aspect-ratio-calculator/schema.json - /calculator/aspect-ratio-calculator/llms.txt - /calculator/aspect-ratio-image-calculator/ — Calculate aspect ratios and resize dimensions. [live] - /calculator/aspect-ratio-image-calculator/definition.json - /calculator/aspect-ratio-image-calculator/schema.json - /calculator/aspect-ratio-image-calculator/llms.txt - /calculator/belt-size-calculator/ — Calculate belt size from waist size. [live] - /calculator/belt-size-calculator/definition.json - /calculator/belt-size-calculator/schema.json - /calculator/belt-size-calculator/llms.txt - /calculator/bike-frame-size-calculator/ — Calculate bike frame size based on inseam. [live] - /calculator/bike-frame-size-calculator/definition.json - /calculator/bike-frame-size-calculator/schema.json - /calculator/bike-frame-size-calculator/llms.txt - /calculator/bra-size-calculator/ — Estimate bra size based on band and bust measurements. [live] - /calculator/bra-size-calculator/definition.json - /calculator/bra-size-calculator/schema.json - /calculator/bra-size-calculator/llms.txt - /calculator/camera-lens-calculator/ — Calculate 35mm equivalent focal length for different sensor sizes. [live] - /calculator/camera-lens-calculator/definition.json - /calculator/camera-lens-calculator/schema.json - /calculator/camera-lens-calculator/llms.txt - /calculator/celsius-to-rankine-calculator/ — Convert temperatures from degrees Celsius to degrees Rankine. [live] - /calculator/celsius-to-rankine-calculator/definition.json - /calculator/celsius-to-rankine-calculator/schema.json - /calculator/celsius-to-rankine-calculator/llms.txt - /calculator/height-calculator/ — Estimate a child's adult height based on the mid-parental height method. [live] - /calculator/height-calculator/definition.json - /calculator/height-calculator/schema.json - /calculator/height-calculator/llms.txt - /calculator/cloth-size-calculator/ — Convert clothing sizes between international regions (Men's Tops). [live] - /calculator/cloth-size-calculator/definition.json - /calculator/cloth-size-calculator/schema.json - /calculator/cloth-size-calculator/llms.txt - /calculator/computer-storage-units-conversion-calculator/ — Convert bits and bytes using decimal SI or binary IEC storage units. [live] - /calculator/computer-storage-units-conversion-calculator/definition.json - /calculator/computer-storage-units-conversion-calculator/schema.json - /calculator/computer-storage-units-conversion-calculator/llms.txt - /calculator/conversion-calculator/ — Convert between different units for length, weight, and temperature. [live] - /calculator/conversion-calculator/definition.json - /calculator/conversion-calculator/schema.json - /calculator/conversion-calculator/llms.txt - /calculator/cooking-conversion-calculator/ — Convert common cooking volume and weight units, including optional volume-to-weight conversion by density. [live] - /calculator/cooking-conversion-calculator/definition.json - /calculator/cooking-conversion-calculator/schema.json - /calculator/cooking-conversion-calculator/llms.txt - /calculator/cubic-feet-to-cubic-yards-calculator/ — Convert cubic feet to cubic yards. [live] - /calculator/cubic-feet-to-cubic-yards-calculator/definition.json - /calculator/cubic-feet-to-cubic-yards-calculator/schema.json - /calculator/cubic-feet-to-cubic-yards-calculator/llms.txt - /calculator/cubic-yards-to-cubic-feet-calculator/ — Convert cubic yards to cubic feet. [live] - /calculator/cubic-yards-to-cubic-feet-calculator/definition.json - /calculator/cubic-yards-to-cubic-feet-calculator/schema.json - /calculator/cubic-yards-to-cubic-feet-calculator/llms.txt - /calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/ — Convert a decimal angle or coordinate to degrees, minutes, and seconds. [live] - /calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/definition.json - /calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/schema.json - /calculator/decimal-degrees-to-degrees-minutes-seconds-calculator/llms.txt - /calculator/energy-conversion-calculator/ — Convert energy between joules, watt-hours, calories, BTU, foot-pounds, and electronvolts. [live] - /calculator/energy-conversion-calculator/definition.json - /calculator/energy-conversion-calculator/schema.json - /calculator/energy-conversion-calculator/llms.txt - /calculator/fahrenheit-to-rankine-calculator/ — Convert temperatures from degrees Fahrenheit to degrees Rankine. [live] - /calculator/fahrenheit-to-rankine-calculator/definition.json - /calculator/fahrenheit-to-rankine-calculator/schema.json - /calculator/fahrenheit-to-rankine-calculator/llms.txt - /calculator/feet-and-inches-calculator/ — Add, subtract, multiply, or divide measurements expressed in feet and inches. [live] - /calculator/feet-and-inches-calculator/definition.json - /calculator/feet-and-inches-calculator/schema.json - /calculator/feet-and-inches-calculator/llms.txt - /calculator/force-conversion-calculator/ — Convert force between newtons, pound-force, kilogram-force, dynes, and related units. [live] - /calculator/force-conversion-calculator/definition.json - /calculator/force-conversion-calculator/schema.json - /calculator/force-conversion-calculator/llms.txt - /calculator/glove-size-calculator/ — Determine your standard glove size based on the circumference of your hand. [live] - /calculator/glove-size-calculator/definition.json - /calculator/glove-size-calculator/schema.json - /calculator/glove-size-calculator/llms.txt - /calculator/golden-ratio-calculator/ — Calculate dimensions based on the mathematical beauty of the Golden Ratio (φ ≈ 1.618). [live] - /calculator/golden-ratio-calculator/definition.json - /calculator/golden-ratio-calculator/schema.json - /calculator/golden-ratio-calculator/llms.txt - /calculator/hat-size-calculator/ — Calculate your standard US hat size from your head circumference. [live] - /calculator/hat-size-calculator/definition.json - /calculator/hat-size-calculator/schema.json - /calculator/hat-size-calculator/llms.txt - /calculator/jacket-size-calculator/ — Find your standard jacket size based on your chest circumference measurement. [live] - /calculator/jacket-size-calculator/definition.json - /calculator/jacket-size-calculator/schema.json - /calculator/jacket-size-calculator/llms.txt - /calculator/kelvin-to-rankine-calculator/ — Convert temperatures from kelvin to degrees Rankine. [live] - /calculator/kelvin-to-rankine-calculator/definition.json - /calculator/kelvin-to-rankine-calculator/schema.json - /calculator/kelvin-to-rankine-calculator/llms.txt - /calculator/momentum-unit-converter/ — Convert linear momentum and impulse-equivalent units. [live] - /calculator/momentum-unit-converter/definition.json - /calculator/momentum-unit-converter/schema.json - /calculator/momentum-unit-converter/llms.txt - /calculator/paper-size-calculator/ — Find exact millimeter and inch dimensions for international standard paper formats. [live] - /calculator/paper-size-calculator/definition.json - /calculator/paper-size-calculator/schema.json - /calculator/paper-size-calculator/llms.txt - /calculator/percent-to-decimal-calculator/ — Convert a percentage to decimal form. [live] - /calculator/percent-to-decimal-calculator/definition.json - /calculator/percent-to-decimal-calculator/schema.json - /calculator/percent-to-decimal-calculator/llms.txt - /calculator/percent-to-fraction-calculator/ — Convert a percentage to a simplified fraction and decimal. [live] - /calculator/percent-to-fraction-calculator/definition.json - /calculator/percent-to-fraction-calculator/schema.json - /calculator/percent-to-fraction-calculator/llms.txt - /calculator/pixel-density-calculator/ — Calculate the PPI (Pixels Per Inch) and evaluate the sharpness of any display based on resolution and size. [live] - /calculator/pixel-density-calculator/definition.json - /calculator/pixel-density-calculator/schema.json - /calculator/pixel-density-calculator/llms.txt - /calculator/power-conversion-calculator/ — Convert power between watts, horsepower, BTU per hour, and foot-pounds per second. [live] - /calculator/power-conversion-calculator/definition.json - /calculator/power-conversion-calculator/schema.json - /calculator/power-conversion-calculator/llms.txt - /calculator/pressure-conversion-calculator/ — Convert pressure between pascals, bar, atmospheres, psi, torr, and millimeters of mercury. [live] - /calculator/pressure-conversion-calculator/definition.json - /calculator/pressure-conversion-calculator/schema.json - /calculator/pressure-conversion-calculator/llms.txt - /calculator/ring-size-calculator/ — Convert physical ring diameter measurements into standard US Ring Sizes for accurate jewelry shopping. [live] - /calculator/ring-size-calculator/definition.json - /calculator/ring-size-calculator/schema.json - /calculator/ring-size-calculator/llms.txt - /calculator/roman-numeral-converter/ — Seamlessly convert between standard Arabic numerals and classical Roman numeral notations. [live] - /calculator/roman-numeral-converter/definition.json - /calculator/roman-numeral-converter/schema.json - /calculator/roman-numeral-converter/llms.txt - /calculator/shoe-size-conversion/ — Convert shoe sizes between US, UK, and EU standards. [live] - /calculator/shoe-size-conversion/definition.json - /calculator/shoe-size-conversion/schema.json - /calculator/shoe-size-conversion/llms.txt - /calculator/skateboard-size-calculator/ — Calculate recommended deck width based on your shoe size. [live] - /calculator/skateboard-size-calculator/definition.json - /calculator/skateboard-size-calculator/schema.json - /calculator/skateboard-size-calculator/llms.txt - /calculator/ski-size-calculator/ — Calculate recommended ski length based on height and skill level. [live] - /calculator/ski-size-calculator/definition.json - /calculator/ski-size-calculator/schema.json - /calculator/ski-size-calculator/llms.txt - /calculator/snowboard-size-calculator/ — Calculate target snowboard length based on your measurements. [live] - /calculator/snowboard-size-calculator/definition.json - /calculator/snowboard-size-calculator/schema.json - /calculator/snowboard-size-calculator/llms.txt - /calculator/speed-conversion-calculator/ — Convert speed between metric, imperial, nautical, and Mach units. [live] - /calculator/speed-conversion-calculator/definition.json - /calculator/speed-conversion-calculator/schema.json - /calculator/speed-conversion-calculator/llms.txt - /calculator/square-feet-to-square-meters-calculator/ — Convert area from square feet to square meters. [live] - /calculator/square-feet-to-square-meters-calculator/definition.json - /calculator/square-feet-to-square-meters-calculator/schema.json - /calculator/square-feet-to-square-meters-calculator/llms.txt - /calculator/square-meters-to-square-feet-calculator/ — Convert area from square meters to square feet. [live] - /calculator/square-meters-to-square-feet-calculator/definition.json - /calculator/square-meters-to-square-feet-calculator/schema.json - /calculator/square-meters-to-square-feet-calculator/llms.txt - /calculator/surfboard-size-calculator/ — Calculate your ideal surfboard volume based on weight and experience level. [live] - /calculator/surfboard-size-calculator/definition.json - /calculator/surfboard-size-calculator/schema.json - /calculator/surfboard-size-calculator/llms.txt - /calculator/troy-weight-conversion-calculator/ — Convert precious-metal weights between grains, pennyweights, troy ounces, troy pounds, grams, and kilograms. [live] - /calculator/troy-weight-conversion-calculator/definition.json - /calculator/troy-weight-conversion-calculator/schema.json - /calculator/troy-weight-conversion-calculator/llms.txt - /calculator/tv-size-calculator/ — Estimate a practical viewing-distance range from TV size and resolution. [live] - /calculator/tv-size-calculator/definition.json - /calculator/tv-size-calculator/schema.json - /calculator/tv-size-calculator/llms.txt - /calculator/volume-conversion-calculator/ — Convert liquid and solid volume across metric, US customary, and cubic units. [live] - /calculator/volume-conversion-calculator/definition.json - /calculator/volume-conversion-calculator/schema.json - /calculator/volume-conversion-calculator/llms.txt - /calculator/wetsuit-size-calculator/ — Get a recommended wetsuit size based on your height and weight. [live] - /calculator/wetsuit-size-calculator/definition.json - /calculator/wetsuit-size-calculator/schema.json - /calculator/wetsuit-size-calculator/llms.txt - /calculator/grade-calculator/ — Determine the score you need on your final exam to achieve your target overall grade. [live] - /calculator/grade-calculator/definition.json - /calculator/grade-calculator/schema.json - /calculator/grade-calculator/llms.txt - /calculator/gpa-calculator/ — Calculate your weighted Grade Point Average based on course credits and grades. [live] - /calculator/gpa-calculator/definition.json - /calculator/gpa-calculator/schema.json - /calculator/gpa-calculator/llms.txt - /calculator/weighted-grade-calculator/ — Calculate a course grade from matching lists of assessment scores and weights. [live] - /calculator/weighted-grade-calculator/definition.json - /calculator/weighted-grade-calculator/schema.json - /calculator/weighted-grade-calculator/llms.txt - /calculator/quarter-mile-calculator/ — Estimate your vehicle's 1/4 mile elapsed time (ET) and terminal trap speed based on power-to-weight ratio. [live] - /calculator/quarter-mile-calculator/definition.json - /calculator/quarter-mile-calculator/schema.json - /calculator/quarter-mile-calculator/llms.txt - /calculator/fuel-cost-calculator/ — Estimate fuel used and trip cost from distance, efficiency, and fuel price. [live] - /calculator/fuel-cost-calculator/definition.json - /calculator/fuel-cost-calculator/schema.json - /calculator/fuel-cost-calculator/llms.txt - /calculator/gas-mileage-calculator/ — Convert a trip into MPG, liters per 100 km, and kilometers per liter. [live] - /calculator/gas-mileage-calculator/definition.json - /calculator/gas-mileage-calculator/schema.json - /calculator/gas-mileage-calculator/llms.txt - /calculator/mileage-calculator/ — Calculate reimbursement from business miles and an editable per-mile rate, defaulted to the current 2026 U.S. business rate. [live] - /calculator/mileage-calculator/definition.json - /calculator/mileage-calculator/schema.json - /calculator/mileage-calculator/llms.txt - /calculator/tire-size-calculator/ — Calculate exact tire dimensions from standard sidewall codes. [live] - /calculator/tire-size-calculator/definition.json - /calculator/tire-size-calculator/schema.json - /calculator/tire-size-calculator/llms.txt - /calculator/dice-roller/ — Roll reproducible virtual dice using a saved seed. [live] - /calculator/dice-roller/definition.json - /calculator/dice-roller/schema.json - /calculator/dice-roller/llms.txt - /calculator/golf-handicap-calculator/ — Calculate your handicap differential for a single round of golf. [live] - /calculator/golf-handicap-calculator/definition.json - /calculator/golf-handicap-calculator/schema.json - /calculator/golf-handicap-calculator/llms.txt - /calculator/love-calculator/ — Discover your potential compatibility score based on the magic of names. [live] - /calculator/love-calculator/definition.json - /calculator/love-calculator/schema.json - /calculator/love-calculator/llms.txt - /calculator/nfl-draft-pick-value-calculator/ — Compare packages of NFL draft picks using the traditional draft-pick trade value chart. [live] - /calculator/nfl-draft-pick-value-calculator/definition.json - /calculator/nfl-draft-pick-value-calculator/schema.json - /calculator/nfl-draft-pick-value-calculator/llms.txt - /calculator/tip-calculator/ — Calculate gratuity, total bill, and an optional split per person. [live] - /calculator/tip-calculator/definition.json - /calculator/tip-calculator/schema.json - /calculator/tip-calculator/llms.txt - /calculator/bird-age-calculator/ — Convert bird years to human years (Small Birds). [live] - /calculator/bird-age-calculator/definition.json - /calculator/bird-age-calculator/schema.json - /calculator/bird-age-calculator/llms.txt - /calculator/cat-age-calculator/ — Convert your cat's age to human years equivalent. [live] - /calculator/cat-age-calculator/definition.json - /calculator/cat-age-calculator/schema.json - /calculator/cat-age-calculator/llms.txt - /calculator/dog-age-calculator/ — Convert your dog's age to human years equivalent based on standard development milestones. [live] - /calculator/dog-age-calculator/definition.json - /calculator/dog-age-calculator/schema.json - /calculator/dog-age-calculator/llms.txt - /calculator/fish-age-calculator/ — Convert your fish's calendar age to the equivalent human years. [live] - /calculator/fish-age-calculator/definition.json - /calculator/fish-age-calculator/schema.json - /calculator/fish-age-calculator/llms.txt - /calculator/guinea-pig-age-calculator/ — Convert your guinea pig's calendar age to the equivalent human years. [live] - /calculator/guinea-pig-age-calculator/definition.json - /calculator/guinea-pig-age-calculator/schema.json - /calculator/guinea-pig-age-calculator/llms.txt - /calculator/hamster-age-calculator/ — Convert your hamster's calendar age to the equivalent human years. [live] - /calculator/hamster-age-calculator/definition.json - /calculator/hamster-age-calculator/schema.json - /calculator/hamster-age-calculator/llms.txt - /calculator/horse-age-calculator/ — Convert your horse's calendar age into the equivalent human years for health and development tracking. [live] - /calculator/horse-age-calculator/definition.json - /calculator/horse-age-calculator/schema.json - /calculator/horse-age-calculator/llms.txt - /calculator/pet-cost-calculator/ — Estimate the financial commitment of owning a pet, including food, healthcare, and supplies over their lifetime. [live] - /calculator/pet-cost-calculator/definition.json - /calculator/pet-cost-calculator/schema.json - /calculator/pet-cost-calculator/llms.txt - /calculator/rabbit-age-calculator/ — Convert your rabbit's biological age into equivalent human years to better understand their life stage. [live] - /calculator/rabbit-age-calculator/definition.json - /calculator/rabbit-age-calculator/schema.json - /calculator/rabbit-age-calculator/llms.txt - /calculator/turtle-age-calculator/ — Convert your pet turtle's age to human-equivalent maturity years. [live] - /calculator/turtle-age-calculator/definition.json - /calculator/turtle-age-calculator/schema.json - /calculator/turtle-age-calculator/llms.txt ## Rules - Query-string parameters restore calculator inputs on live calculators. - Empty optional inputs are not treated as zero unless a calculator states that rule. - Each calculator has one canonical URL independent of category. - Pages marked coming-soon retain reference material but do not provide a reviewed interactive result.