{
  "id": "repayment-calculator",
  "version": "20.13.0",
  "name": "When Will This Balance Be Paid Off?",
  "shortName": "Repayment time",
  "description": "Estimate payoff months from an outstanding balance and the monthly payment you can make.",
  "category": "Finance",
  "categorySlug": "finance",
  "keywords": [
    "payoff time",
    "repayment term",
    "balance payoff"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/repayment-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/repayment/",
    "definition": "/us/repayment/definition.json",
    "schema": "/us/repayment/schema.json",
    "llms": "/us/repayment/llms.txt",
    "legacyDefinition": "/us/repayment/definition.json"
  },
  "queryExample": "https://askcalculators.com/us/repayment/?amount=9000&rate=0&monthlyPayment=300&extraPayment=0",
  "queryParameters": {
    "amount": {
      "label": "Outstanding balance",
      "type": "money",
      "required": true,
      "default": 20000
    },
    "rate": {
      "label": "Annual interest rate",
      "type": "percent",
      "required": true,
      "default": 6
    },
    "monthlyPayment": {
      "label": "Chosen monthly payment (optional)",
      "type": "money",
      "required": false
    },
    "term": {
      "label": "Original scheduled term, when payment is blank (years)",
      "type": "number",
      "required": false,
      "default": 5
    },
    "extraPayment": {
      "label": "Additional monthly payment",
      "type": "money",
      "required": false,
      "default": 0
    }
  },
  "inputs": [
    {
      "id": "amount",
      "label": "Outstanding balance",
      "type": "money",
      "defaultValue": 20000,
      "required": true,
      "min": 0
    },
    {
      "id": "rate",
      "label": "Annual interest rate",
      "type": "percent",
      "defaultValue": 6,
      "required": true,
      "min": 0,
      "max": 100
    },
    {
      "id": "monthlyPayment",
      "label": "Chosen monthly payment (optional)",
      "type": "money",
      "min": 0,
      "help": "Enter a payment to solve for payoff time. Leave blank to use the original scheduled-term fallback."
    },
    {
      "id": "term",
      "label": "Original scheduled term, when payment is blank (years)",
      "type": "number",
      "defaultValue": 5,
      "min": 0.01
    },
    {
      "id": "extraPayment",
      "label": "Additional monthly payment",
      "type": "money",
      "defaultValue": 0,
      "min": 0
    }
  ],
  "outputs": [
    {
      "id": "months",
      "label": "Months to payoff",
      "format": "integer",
      "primary": true
    },
    {
      "id": "monthlyPayment",
      "label": "Total monthly payment",
      "format": "currency",
      "currency": "USD"
    },
    {
      "id": "finalPayment",
      "label": "Final payment",
      "format": "currency",
      "currency": "USD"
    },
    {
      "id": "totalInterest",
      "label": "Total interest",
      "format": "currency",
      "currency": "USD"
    },
    {
      "id": "totalPaid",
      "label": "Total repaid",
      "format": "currency",
      "currency": "USD"
    }
  ],
  "formula": {
    "expression": "For positive r, n = −ln(1 − P × r / M) / ln(1 + r); round up the payment count and adjust the final payment."
  },
  "examples": [
    {
      "label": "Thirty zero-interest payments",
      "inputs": {
        "amount": 9000,
        "rate": 0,
        "monthlyPayment": 300,
        "extraPayment": 0
      }
    }
  ],
  "sources": [],
  "publicSlug": "repayment",
  "namespace": "us",
  "countries": [
    "us"
  ]
}