🇬🇧 United Kingdom · Tax Year 2025/26

Capital Gains Tax Calculator

Calculate CGT on shares, funds, or other assets, after your £3,000 annual exempt amount — rates depend on your income tax band.

Your Details

Used to determine how much of your gain falls in the basic vs higher rate band.
Both are taxed at the same rates since October 2024, but shown separately for clarity.

Your Result

Enter your gain and click "Calculate" to see your estimated CGT.