{
  "id": "credit-card-calculator",
  "version": "20.13.0",
  "name": "Payoff Time for One Credit-Card Balance",
  "shortName": "Single-card payoff time",
  "description": "Estimate how long one balance takes to clear at a stated monthly payment, without adding new purchases.",
  "category": "Finance",
  "categorySlug": "finance",
  "keywords": [
    "credit",
    "card"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "migrated",
  "migratedDate": "2026-09-10",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/credit-card-calculator.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "20.13.0",
    "referenceCoverage": "references-pending",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "2026-09-10",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "urls": {
    "page": "/us/credit-card/",
    "definition": "/us/credit-card/definition.json",
    "schema": "/us/credit-card/schema.json",
    "llms": "/us/credit-card/llms.txt",
    "legacyDefinition": "/us/credit-card/definition.json"
  },
  "queryExample": "https://askcalculators.com/us/credit-card/?balance=3600&rate=0&payment=225&mode=payment",
  "queryParameters": {
    "balance": {
      "label": "Credit Card Balance",
      "type": "number",
      "required": false,
      "default": 5000
    },
    "rate": {
      "label": "Interest Rate (APR)",
      "type": "number",
      "required": false,
      "default": 18.9
    },
    "payment": {
      "label": "Monthly Payment",
      "type": "number",
      "required": false,
      "default": 200,
      "showWhen": {
        "field": "mode",
        "equals": "payment"
      }
    },
    "monthsToPay": {
      "label": "Months to Payoff",
      "type": "number",
      "required": false,
      "default": 24,
      "showWhen": {
        "field": "mode",
        "equals": "months"
      }
    },
    "mode": {
      "label": "Mode",
      "type": "select",
      "required": false,
      "default": "payment"
    }
  },
  "inputs": [
    {
      "id": "balance",
      "label": "Credit Card Balance",
      "type": "number",
      "defaultValue": 5000
    },
    {
      "id": "rate",
      "label": "Interest Rate (APR)",
      "type": "number",
      "defaultValue": 18.9
    },
    {
      "id": "payment",
      "label": "Monthly Payment",
      "type": "number",
      "defaultValue": 200,
      "showWhen": {
        "field": "mode",
        "equals": "payment"
      }
    },
    {
      "id": "monthsToPay",
      "label": "Months to Payoff",
      "type": "number",
      "defaultValue": 24,
      "showWhen": {
        "field": "mode",
        "equals": "months"
      },
      "min": 1,
      "max": 1200,
      "step": 1
    },
    {
      "id": "mode",
      "label": "Mode",
      "type": "select",
      "defaultValue": "payment",
      "options": [
        {
          "label": "Months from my chosen payment",
          "value": "payment"
        },
        {
          "label": "Payment for a target term",
          "value": "months"
        }
      ]
    }
  ],
  "outputs": [
    {
      "id": "months",
      "label": "Months to repay this balance",
      "format": "integer",
      "primary": true,
      "digits": 2
    },
    {
      "id": "monthlyPayment",
      "label": "Monthly payment",
      "format": "currency",
      "primary": false,
      "currency": "USD"
    },
    {
      "id": "finalPayment",
      "label": "Final payment",
      "format": "currency",
      "primary": false,
      "currency": "USD"
    },
    {
      "id": "totalInterest",
      "label": "Total interest",
      "format": "currency",
      "primary": false,
      "currency": "USD"
    },
    {
      "id": "totalPayment",
      "label": "Total repaid",
      "format": "currency",
      "primary": false,
      "currency": "USD"
    }
  ],
  "formula": {
    "expression": "Each month: interest = opening balance × APR / 12; apply the payment to interest and principal.",
    "note": "Actual cards can use daily interest, changing rates, minimum-payment rules and fees. No new spending is assumed. A payment that does not reduce principal will not clear the balance."
  },
  "examples": [
    {
      "label": "Worked example: Sixteen zero-interest payments",
      "inputs": {
        "balance": 3600,
        "rate": 0,
        "payment": 225,
        "mode": "payment",
        "monthsToPay": 24
      }
    }
  ],
  "sources": [],
  "publicSlug": "credit-card",
  "namespace": "us",
  "countries": [
    "us"
  ]
}