{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://askcalculators.com/calculator/vat-calculator/schema.json",
  "title": "VAT Calculator inputs",
  "description": "Add VAT to a net amount or remove VAT from a gross amount.",
  "type": "object",
  "properties": {
    "mode": {
      "title": "Calculation",
      "type": "string",
      "default": "add",
      "enum": [
        "add",
        "remove"
      ],
      "x-optionLabels": {
        "add": "Add VAT",
        "remove": "Remove VAT"
      }
    },
    "amount": {
      "title": "Amount",
      "type": "number",
      "default": 100,
      "minimum": 0,
      "x-step": 0.01,
      "x-unit": "currency"
    },
    "vatRate": {
      "title": "VAT rate",
      "type": "number",
      "default": 20,
      "minimum": 0,
      "maximum": 100,
      "x-step": 0.1,
      "x-unit": "percent",
      "x-control": "slider-number"
    }
  },
  "required": [
    "mode",
    "amount",
    "vatRate"
  ],
  "additionalProperties": false,
  "x-askcalculators": {
    "version": "1.0.0",
    "calculatorUrl": "https://askcalculators.com/calculator/vat-calculator/",
    "queryExample": "https://askcalculators.com/calculator/vat-calculator/?mode=add&amount=100&vatRate=20",
    "migrationStatus": "new",
    "reviewStatus": "pending",
    "pageStatus": "live",
    "workStatus": "pending",
    "formula": {
      "expression": "Add: gross = net × (1 + rate); remove: net = gross ÷ (1 + rate)"
    },
    "quality": {
      "availability": "live",
      "technicalReviewRecord": "/reviews/vat-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": "2026-08-18",
      "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
    },
    "outputs": {
      "grossAmount": {
        "title": "Gross amount",
        "type": "number",
        "x-format": "currency",
        "x-primary": true
      },
      "netAmount": {
        "title": "Net amount",
        "type": "number",
        "x-format": "currency"
      },
      "vatAmount": {
        "title": "VAT amount",
        "type": "number",
        "x-format": "currency"
      }
    }
  }
}