{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/units-of-production-depreciation-calculator/schema.json",
  "title": "Units of Production Depreciation Calculator inputs",
  "description": "Calculate depreciation per unit and depreciation for a production period, with a lifetime-usage schedule summary.",
  "type": "object",
  "properties": {
    "cost": {
      "title": "Asset cost",
      "type": "number",
      "default": 100000,
      "minimum": 0.01,
      "x-step": 100,
      "multipleOf": 100,
      "x-unit": "currency"
    },
    "salvageValue": {
      "title": "Salvage value",
      "type": "number",
      "default": 10000,
      "minimum": 0,
      "x-step": 100,
      "multipleOf": 100,
      "x-unit": "currency"
    },
    "estimatedTotalUnits": {
      "title": "Estimated lifetime units",
      "type": "number",
      "default": 500000,
      "minimum": 0.000001,
      "x-step": 1,
      "multipleOf": 1
    },
    "unitsThisPeriod": {
      "title": "Units produced this period",
      "type": "number",
      "default": 60000,
      "minimum": 0,
      "x-step": 1,
      "multipleOf": 1
    },
    "unitsBeforePeriod": {
      "title": "Units produced before this period",
      "type": "number",
      "default": 120000,
      "minimum": 0,
      "x-step": 1,
      "multipleOf": 1
    }
  },
  "required": [
    "cost",
    "salvageValue",
    "estimatedTotalUnits",
    "unitsThisPeriod",
    "unitsBeforePeriod"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/units-of-production-depreciation-calculator/",
    "queryExample": "https://askcalculators.com/calculator/units-of-production-depreciation-calculator/?cost=100000&salvageValue=10000&estimatedTotalUnits=500000&unitsThisPeriod=60000&unitsBeforePeriod=120000",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "depreciation per unit = (cost − salvage) ÷ estimated total units"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/units-of-production-depreciation-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": {
      "depreciationPerUnit": {
        "title": "Depreciation per unit",
        "type": "number",
        "x-format": "currency",
        "x-digits": 8,
        "x-primary": true
      },
      "periodDepreciation": {
        "title": "Period depreciation",
        "type": "number",
        "x-format": "currency"
      },
      "accumulatedDepreciation": {
        "title": "Accumulated depreciation",
        "type": "number",
        "x-format": "currency"
      },
      "endingBookValue": {
        "title": "Ending book value",
        "type": "number",
        "x-format": "currency"
      },
      "remainingUnits": {
        "title": "Remaining estimated units",
        "type": "number",
        "x-format": "number",
        "x-digits": 2
      }
    }
  }
}