{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/future-value-of-dollar-1-annuity-table-calculator/schema.json",
  "title": "Future Value of $1 Annuity Table (FVIFA) Calculator inputs",
  "description": "Calculate future-value annuity factors for end- or beginning-of-period payments of $1.",
  "type": "object",
  "properties": {
    "ratePerPeriod": {
      "title": "Interest rate per period",
      "type": "number",
      "default": 5,
      "minimum": -99.99,
      "maximum": 1000,
      "x-step": 0.01,
      "x-unit": "percent"
    },
    "periods": {
      "title": "Number of periods",
      "type": "number",
      "default": 20,
      "minimum": 1,
      "maximum": 500,
      "x-step": 1,
      "multipleOf": 1
    },
    "paymentTiming": {
      "title": "Payment timing",
      "type": "string",
      "default": "end",
      "enum": [
        "end",
        "begin"
      ],
      "x-optionLabels": {
        "end": "End of each period (ordinary)",
        "begin": "Beginning of each period (annuity due)"
      }
    }
  },
  "required": [
    "ratePerPeriod",
    "periods",
    "paymentTiming"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/future-value-of-dollar-1-annuity-table-calculator/",
    "queryExample": "https://askcalculators.com/calculator/future-value-of-dollar-1-annuity-table-calculator/?ratePerPeriod=5&periods=20&paymentTiming=end",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "FVIFA = [(1+i)^n − 1] ÷ i, multiplied by (1+i) for an annuity due"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/future-value-of-dollar-1-annuity-table-calculator.json",
      "qualifiedReview": "pending",
      "qualifiedReviewer": null,
      "qualifiedReviewDate": null,
      "formulaVersion": "1.0.0",
      "referenceCoverage": "references-pending",
      "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
      "historicalMetadataDate": "2026-09-01",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "fvifa": {
        "title": "FV annuity factor",
        "type": "number",
        "x-format": "number",
        "x-digits": 10,
        "x-primary": true
      },
      "futureValue": {
        "title": "Future value of $1 payments",
        "type": "number",
        "x-format": "currency",
        "x-digits": 10
      },
      "totalContributions": {
        "title": "Total $1 payments",
        "type": "number",
        "x-format": "currency"
      }
    }
  }
}