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Free Bitcoin tax calculator. Estimate your US and UK capital gains tax on Bitcoin profits. Updated for 2026. No signup. Use the full calculator below, pre-loaded with live BTC price data from CoinGecko.
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Bitcoin (BTC) disposals are taxable events in both the US and UK. In the US, short-term gains on BTC held under 12 months are taxed as ordinary income (10–37%), while long-term gains are taxed at 0%, 15%, or 20% depending on your income bracket. In the UK, BTC profits above the £3,000 annual exempt amount are taxed at 18% (basic rate) or 24% (higher rate). Our calculator applies the correct 2026 rates automatically — just enter your Bitcoin purchase price, sale price, and holding period.