{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/mortgage-amortization-calculator/schema.json",
  "title": "Mortgage Amortization Calculator inputs",
  "description": "View the complete amortization schedule for your mortgage.",
  "type": "object",
  "properties": {
    "loanAmount": {
      "title": "Loan Amount ($)",
      "type": "number",
      "default": 300000
    },
    "interestRate": {
      "title": "Interest Rate (%)",
      "type": "number",
      "default": 4.5
    },
    "loanTerm": {
      "title": "Loan Term (Years)",
      "type": "number",
      "default": 30
    }
  },
  "required": [],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "20.1.0",
    "calculatorUrl": "https://askcalculators.com/calculator/mortgage-amortization-calculator/",
    "queryExample": "https://askcalculators.com/calculator/mortgage-amortization-calculator/?loanAmount=300000&interestRate=4.5&loanTerm=30",
    "migrationStatus": "migrated",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "migratedDate": "2026-08-18",
    "formula": {
      "expression": "Payment = P ÷ n when the monthly rate is zero; otherwise P·r ÷ [1 − (1+r)^(−n)]. Each row applies interest = balance × r and principal = payment − interest; the last payment is limited to the amount due."
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/mortgage-amortization-calculator.json",
      "qualifiedReview": "pending",
      "qualifiedReviewer": null,
      "qualifiedReviewDate": null,
      "formulaVersion": "20.1.0",
      "referenceCoverage": "references-listed",
      "releaseTestScope": "Flagship reference cases are specified in scripts/test-v20-1.mjs; consult release evidence for executed results.",
      "historicalMetadataDate": "2026-08-18",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "scheduledPayment": {
        "title": "Scheduled payment",
        "type": "number",
        "x-format": "currency",
        "x-primary": true
      },
      "totalInterest": {
        "title": "Total interest",
        "type": "number",
        "x-format": "currency"
      },
      "rowCount": {
        "title": "Payment count",
        "type": "number",
        "x-format": "number"
      },
      "lastBalance": {
        "title": "Final balance",
        "type": "number",
        "x-format": "currency"
      }
    }
  }
}