UK Tax Calculators
Free tools for income tax, VAT, and self-assessment. Updated with official HMRC rates for the 2025/26 tax year.
Income Tax Calculator 2025/26
See your income tax breakdown by band, marginal rate, and effective tax rate. Includes personal allowance taper and Scottish rates.
Calculate taxVAT Calculator
Add or remove VAT at 20%, 5%, or 0%. Essential for invoices, quotes, and checking receipts. Works both ways.
Calculate VATSelf Assessment Calculator 2025/26
Estimate your tax bill as a sole trader or freelancer. Includes Class 2 and Class 4 National Insurance, payment on account.
Calculate self-assessmentUnderstanding UK Tax
The UK tax system can seem complicated, but our calculators break it down step by step. All figures use the official HMRC rates for the 2025/26 tax year (6 April 2025 to 5 April 2026). Whether you are employed, self-employed, or running a small business, our tools help you estimate your tax obligations quickly and accurately.