UK Tax Calculator

Free, professional tax calculation tools for the UK. Calculate your tax liability, take-home pay, dividend tax, capital gains and stamp duty with our HMRC-compliant calculators updated for 2025-26.

Income Tax Calculator

Calculate UK income tax and National Insurance for employed individuals. Get accurate take-home pay calculations for the 2025-26 tax year with latest HMRC rates including 8% NI contributions.

Self-Employed Tax Calculator

Calculate tax for self-employed and sole traders including Class 2 and Class 4 National Insurance. Updated with 2025-26 rates: Class 2 at £3.45 per week and Class 4 NI on profits.

Dividend Tax Calculator

Calculate dividend tax including allowances and rates for all tax bands. Works with employment income to determine your tax position on dividend income for 2025-26.

Capital Gains Tax Calculator

Calculate CGT on shares, property and other assets with £3,000 annual exemption for 2025-26. Includes basic rate (10%/18%) and higher rate (20%/24%) calculations for all asset types.

Stamp Duty Calculator

Calculate Stamp Duty Land Tax for property purchases across England, Wales, Scotland and Northern Ireland. Includes first-time buyer relief and additional property surcharge rates.

Why Choose Our Tax Calculators?

  • Always Up to Date: Updated with current and historical HMRC tax rates for multiple tax years including 2025-26, 2024-25, 2023-24, and earlier years.
  • Completely Free: No hidden costs, registration, or usage limits. Use our calculators as many times as you need for accurate tax planning.
  • HMRC Compliant: All calculations based on official HMRC rates and government guidelines for complete accuracy and compliance.
  • Comprehensive Coverage: Calculate income tax, National Insurance, dividend tax, capital gains tax, and stamp duty all in one place.
  • Multi-Tax Year Support: Compare tax calculations across different tax years to plan your finances effectively.
  • Detailed Breakdowns: See exactly how your tax is calculated with full breakdowns by income band, tax type, and deductions.

All calculators include detailed tax breakdowns, support for multiple tax years, and provide HMRC-compliant calculations. Use our free tools to understand your UK tax liability for salary, self-employment, dividends, capital gains, and property purchases.