Work out UK Capital Gains Tax on cryptoasset disposals: proceeds minus cost basis, less the annual exempt amount, taxed at the basic or higher CGT rate depending on your income.
Données vérifiées · July 2026
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HMRC treats most cryptoasset disposals — selling, swapping between coins, or spending crypto — as a capital gains event, not income. Your gain is proceeds minus allowable cost basis, combined with any other capital gains in the year, then reduced by the annual exempt amount (£3,000 for 2025/26). The remaining taxable gain is charged at 18% within your basic-rate band and 24% above it, with your other taxable income determining how much of the basic-rate band is already used up.
£20,000 proceeds and £12,000 cost basis, no other gains, £50,000 other taxable income: £8,000 gain less the £3,000 exempt amount gives £5,000 taxable, split across the basic and higher CGT rate bands.
Enter total proceeds from crypto disposals in the tax year.
Enter the total cost basis (what you originally paid) for those disposals.
Add any other capital gains and your taxable income, to place the gain in the right rate band.
Enter any annual exempt amount already used elsewhere.
Last data update
July 7, 2026
Sources and references
HMRC — Cryptoassets Manual (gov.uk/hmrc-internal-manuals/cryptoassets-manual); Capital Gains Tax rates 2025/26.
The data in this calculator is updated regularly to reflect the latest official rates. When in doubt, consult the official sources listed above.
No — receiving crypto from mining, staking rewards or airdrops is generally taxed as income at the point of receipt; CGT then applies separately when you later dispose of those coins.
You don't owe tax below the exempt amount, but you may still need to report disposals to HMRC via Self Assessment if your total proceeds (not just gains) exceed four times the exempt amount.