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Free Calculators for United Kingdom

Free calculators for UK — Income Tax, Mortgage, Stamp Duty, VAT, and more with HMRC rates. All calculations use GBP (£) and United Kingdom-specific tax rules.

7 calculators available

Finance

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finance

UK Income Tax Calculator

Calculate your UK income tax and National Insurance with 2025/26 HMRC rates.

finance

UK Mortgage Calculator

Calculate your UK mortgage monthly repayment, total interest, and compare deals.

finance

UK VAT Calculator

Calculate UK VAT at 20%, add or remove VAT from any price.

finance

UK Stamp Duty Calculator

Calculate Stamp Duty Land Tax on UK property purchases.

finance

UK Stamp Duty (SDLT) Calculator

Calculate Stamp Duty Land Tax for property purchases in England & Northern Ireland.

finance

UK PAYE Tax Calculator

Calculate UK take-home pay after income tax, National Insurance, and student loan.

Health

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health

BMI Calculator (UK)

Calculate your BMI using stones/pounds and feet/inches.