{
  "id": "reverse-sales-tax-calculator",
  "version": "1.0.0",
  "name": "Reverse Sales Tax Calculator",
  "shortName": "Reverse Sales Tax",
  "description": "Calculate the pre-tax price and tax amount when the total price including sales tax is known.",
  "category": "Finance",
  "categorySlug": "finance",
  "keywords": [
    "reverse",
    "sales",
    "tax",
    "calculator",
    "reverse sales tax calculator"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/reverse-sales-tax-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."
  },
  "urls": {
    "page": "/calculator/reverse-sales-tax-calculator/",
    "definition": "/calculator/reverse-sales-tax-calculator/definition.json",
    "schema": "/calculator/reverse-sales-tax-calculator/schema.json",
    "llms": "/calculator/reverse-sales-tax-calculator/llms.txt",
    "legacyDefinition": "/calculator/reverse-sales-tax-calculator.json"
  },
  "queryExample": "https://askcalculators.com/calculator/reverse-sales-tax-calculator/?totalWithTax=106.25&salesTaxRate=6.25",
  "queryParameters": {
    "totalWithTax": {
      "label": "Total price including tax",
      "type": "money",
      "required": true,
      "default": 106.25
    },
    "salesTaxRate": {
      "label": "Sales tax rate",
      "type": "percent",
      "required": true,
      "default": 6.25
    }
  },
  "inputs": [
    {
      "id": "totalWithTax",
      "label": "Total price including tax",
      "type": "money",
      "required": true,
      "defaultValue": 106.25,
      "min": 0,
      "step": 0.01
    },
    {
      "id": "salesTaxRate",
      "label": "Sales tax rate",
      "type": "percent",
      "required": true,
      "defaultValue": 6.25,
      "min": 0,
      "max": 1000,
      "step": 0.001
    }
  ],
  "outputs": [
    {
      "id": "preTaxPrice",
      "label": "Price before tax",
      "format": "currency",
      "primary": true
    },
    {
      "id": "salesTaxAmount",
      "label": "Sales tax amount",
      "format": "currency"
    },
    {
      "id": "taxShareOfTotal",
      "label": "Tax as % of total",
      "format": "percent",
      "digits": 8
    },
    {
      "id": "verificationTotal",
      "label": "Recomputed total",
      "format": "currency"
    }
  ],
  "formula": {
    "expression": "pre-tax price = total ÷ (1 + tax rate); tax = total − pre-tax price"
  },
  "examples": [
    {
      "label": "Reproducible default-input example (not a personal recommendation)",
      "inputs": {
        "totalWithTax": 106.25,
        "salesTaxRate": 6.25
      }
    }
  ],
  "sources": []
}