{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/troy-weight-conversion-calculator/schema.json",
  "title": "Troy Weight Conversion Calculator inputs",
  "description": "Convert precious-metal weights between grains, pennyweights, troy ounces, troy pounds, grams, and kilograms.",
  "type": "object",
  "properties": {
    "value": {
      "title": "Weight",
      "type": "number",
      "default": 1,
      "x-step": 0.000001
    },
    "fromUnit": {
      "title": "From unit",
      "type": "string",
      "default": "ozt",
      "enum": [
        "grain",
        "dwt",
        "ozt",
        "lbt",
        "g",
        "kg"
      ],
      "x-optionLabels": {
        "grain": "Grain",
        "dwt": "Pennyweight (dwt)",
        "ozt": "Troy ounce (ozt)",
        "lbt": "Troy pound",
        "g": "Gram",
        "kg": "Kilogram"
      }
    },
    "toUnit": {
      "title": "To unit",
      "type": "string",
      "default": "g",
      "enum": [
        "grain",
        "dwt",
        "ozt",
        "lbt",
        "g",
        "kg"
      ],
      "x-optionLabels": {
        "grain": "Grain",
        "dwt": "Pennyweight (dwt)",
        "ozt": "Troy ounce (ozt)",
        "lbt": "Troy pound",
        "g": "Gram",
        "kg": "Kilogram"
      }
    }
  },
  "required": [
    "value",
    "fromUnit",
    "toUnit"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/troy-weight-conversion-calculator/",
    "queryExample": "https://askcalculators.com/calculator/troy-weight-conversion-calculator/?value=1&fromUnit=ozt&toUnit=g",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "grams = value × grams-per-source-unit; result = grams ÷ grams-per-target-unit"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/troy-weight-conversion-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": {
      "result": {
        "title": "Converted weight",
        "type": "number",
        "x-format": "number",
        "x-digits": 10,
        "x-primary": true
      },
      "grams": {
        "title": "Equivalent grams",
        "type": "number",
        "x-format": "number",
        "x-digits": 8
      }
    }
  }
}