UK Crypto Tax Calculator
Work out how much Capital Gains Tax you owe on cryptocurrency profits. The annual exempt amount for 2025/26 is £3,000. CGT rates are 10% (basic rate) or 20% (higher rate) for crypto assets.
Capital Gain / Loss
£4,000.00
Annual exempt amount remaining: £0.00
Tax Breakdown
| Total cost basis | £1,000.00 |
| Total proceeds | £5,000.00 |
| Gain on this disposal | £4,000.00 |
| Other gains this year | £0.00 |
| Annual exempt amount (2025/26) | £3,000.00 |
| Taxable gain | £1,000.00 |
| CGT at 10% (basic rate) | £100.00 |
| CGT at 20% (higher rate) | £200.00 |
UK Crypto Tax Rules 2025/26
HMRC treats cryptocurrency as a capital asset. When you sell, swap, or spend crypto, you may owe Capital Gains Tax on the profit. The annual exempt amount was reduced to £3,000 from April 2024.
You pay 10% CGT if you are a basic rate taxpayer, or 20% if you are a higher rate taxpayer. Losses can be offset against gains. You must report to HMRC if your total proceeds exceed 4x the annual exempt amount (£12,000), even if you owe no tax.
This calculator shows a simple single-disposal scenario. For multiple trades, consider using HMRC's share pooling method (section 104 holding).
Last updated: May 2026. Uses 2025/26 CGT rates and thresholds.
Built by The NexoraOS Team