CryptoTax UK · free UK crypto tax calculator
Free crypto tax calculator for the UK
Work out roughly what HMRC may expect you to pay on your crypto disposals — built around the same Section 104, same-day and 30-day matching rules HMRC uses. Educational only.
Open the free calculator → Learn more about CryptoTax UK- ✓ HMRC-aware matching engine — same-day rule, 30-day rule, Section 104 pool
- ✓ Covers Bitcoin, Ethereum, stablecoins and other crypto assets
- ✓ Built-in 2025/26 annual exempt amount and CGT rate bands
- ✓ Free core calculator — no sign-up, no credit card
- ✓ Premium adds CSV import (Coinbase, Binance, Kraken) and PDF accountant pack
Educational guidance only. CryptoTax UK is not a regulated tax adviser and the information above does not constitute tax, legal or financial advice. Always confirm your specific position with HMRC or a qualified accountant before filing. The full app is hosted at cryptotaxuk.app.