{
  "id": "v20-uk-income-tax",
  "version": "20.16.0",
  "name": "Income Tax Planning Calculator — United Kingdom",
  "shortName": "Income Tax Planning",
  "description": "Estimate ordinary annual employment income tax with dated country rules, separating deductions, basic credits, Canadian provincial calculations, Irish USC and separately entered other local tax. GBP planning view; stated limitations apply.",
  "category": "Finance",
  "categorySlug": "finance",
  "keywords": [
    "income-tax",
    "uk",
    "tax-authority"
  ],
  "status": "live",
  "workStatus": "pending",
  "reviewStatus": "pending",
  "migrationStatus": "new",
  "engine": "native",
  "creator": null,
  "reviewer": null,
  "quality": {
    "availability": "live",
    "technicalReviewRecord": "/reviews/v20-uk-income-tax.json",
    "qualifiedReview": "pending",
    "qualifiedReviewer": null,
    "qualifiedReviewDate": null,
    "formulaVersion": "20.16.0",
    "referenceCoverage": "references-listed",
    "releaseTestScope": "Catalog and regression checks are not a professional formula audit; consult release evidence.",
    "historicalMetadataDate": "",
    "historicalMetadataNotice": "The imported date is not evidence of a completed human review."
  },
  "notice": "Illustrative defaults are not local quotes or verified legal rules. Dated reference components and user-entered assumptions are explicitly distinguished. Professional review is pending.",
  "urls": {
    "page": "/uk/income-tax/",
    "definition": "/uk/income-tax/definition.json",
    "schema": "/uk/income-tax/schema.json",
    "llms": "/uk/income-tax/llms.txt",
    "legacyDefinition": "/uk/income-tax/definition.json"
  },
  "queryExample": "https://askcalculators.com/uk/income-tax/?grossIncome=60000&deductions=0&credits=0&nation=england&localIncomeTax=0",
  "queryParameters": {
    "grossIncome": {
      "label": "Annual gross income",
      "type": "money",
      "required": true,
      "default": 60000
    },
    "deductions": {
      "label": "Additional deductible amount (not a tax credit)",
      "type": "money",
      "required": true,
      "default": 0
    },
    "credits": {
      "label": "Additional verified nonrefundable national credits",
      "type": "money",
      "required": true,
      "default": 0
    },
    "nation": {
      "label": "UK nation",
      "type": "select",
      "required": true,
      "default": "england"
    },
    "localIncomeTax": {
      "label": "Other state/local income tax not automatically included",
      "type": "money",
      "required": true,
      "default": 0
    }
  },
  "inputs": [
    {
      "id": "grossIncome",
      "label": "Annual gross income",
      "type": "money",
      "defaultValue": 60000,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "deductions",
      "label": "Additional deductible amount (not a tax credit)",
      "type": "money",
      "defaultValue": 0,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "credits",
      "label": "Additional verified nonrefundable national credits",
      "type": "money",
      "defaultValue": 0,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    },
    {
      "id": "nation",
      "label": "UK nation",
      "type": "select",
      "required": true,
      "defaultValue": "england",
      "options": [
        {
          "value": "england",
          "label": "England"
        },
        {
          "value": "wales",
          "label": "Wales"
        },
        {
          "value": "northern-ireland",
          "label": "Northern Ireland"
        },
        {
          "value": "scotland",
          "label": "Scotland"
        }
      ]
    },
    {
      "id": "localIncomeTax",
      "label": "Other state/local income tax not automatically included",
      "type": "money",
      "defaultValue": 0,
      "required": true,
      "min": 0,
      "max": 1000000000000,
      "step": 0.01,
      "prefix": "GBP",
      "help": "Illustrative starting value; replace with your own evidence."
    }
  ],
  "outputs": [
    {
      "id": "automaticCredits",
      "label": "Supported basic national credits before final tax limitations",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "provincialTax",
      "label": "Canadian provincial/territorial tax (zero outside Canada)",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "taxable",
      "label": "Taxable income used",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "baseTax",
      "label": "National bracket tax before credits",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "tax",
      "label": "Income tax after supported credits and local/provincial tax",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "usc",
      "label": "Irish USC (zero outside Ireland)",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "total",
      "label": "Total modeled taxes",
      "format": "currency",
      "digits": 2,
      "primary": true,
      "currency": "GBP"
    },
    {
      "id": "net",
      "label": "Gross income less modeled taxes",
      "format": "currency",
      "digits": 2,
      "currency": "GBP"
    },
    {
      "id": "effectiveRate",
      "label": "Modeled effective rate",
      "format": "percent",
      "digits": 2
    }
  ],
  "formula": {
    "expression": "Dated national/provincial marginal tax − supported automatic and entered credits + entered other local tax; Irish USC is separate.",
    "note": "Inputs are converted to canonical units before evaluating this stated formula."
  },
  "examples": [
    {
      "label": "Illustrative defaults; required verification checks remain unconfirmed",
      "inputs": {
        "unitSystem": "metric",
        "grossIncome": 60000,
        "deductions": 0,
        "credits": 0,
        "nation": "england",
        "localIncomeTax": 0
      }
    }
  ],
  "sources": [
    {
      "label": "HMRC 2026/27 employer thresholds",
      "url": "https://www.gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027"
    },
    {
      "label": "HMRC Personal Allowance",
      "url": "https://www.gov.uk/income-tax-rates"
    },
    {
      "label": "HMRC self-employed NI",
      "url": "https://www.gov.uk/self-employed-national-insurance-rates"
    },
    {
      "label": "HMRC voluntary NI",
      "url": "https://www.gov.uk/voluntary-national-insurance-contributions/rates"
    },
    {
      "label": "HMRC dividend tax",
      "url": "https://www.gov.uk/tax-on-dividends"
    },
    {
      "label": "HMRC savings allowances",
      "url": "https://www.gov.uk/apply-tax-free-interest-on-savings/how-much-is-tax-free"
    }
  ],
  "publicSlug": "income-tax",
  "namespace": "uk",
  "countries": [
    "us",
    "ca",
    "uk",
    "ie"
  ]
}