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Free Crypto Tax Calculator

100% Client-Side: Your data never leaves your browser. Zero server processing or data storage.

Crypto Capital Gains & Tax Calculator

Calculate trading net profit/loss and estimated short-term vs long-term capital gains tax.

Estimated Tax Owed
$3,840
Capital Gain / Profit: $16,000
Effective Tax Rate Applied: 24% (Short-Term)

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+ Math.round(tax).toLocaleString(); document.getElementById('cryProfit').textContent = ' + Math.round(profit).toLocaleString(); document.getElementById('cryEffRate').textContent = Math.round(appliedRate*100) + '% (' + (hold==='long'?'Long-Term':'Short-Term') + ')'; } catch(e) {} } document.addEventListener('DOMContentLoaded', calcCryptoTax);