Crypto Profit Calculator

Calculate your cryptocurrency trading profits and losses including fees. This tool processes all data locally in your browser. No information is ever sent to any server. Completely free, no registration required.

How to Use the Crypto Profit Calculator

1. Enter your input values above
2. Results update automatically
3. Copy or download the output

What is a Crypto Profit Calculator?

A Crypto Profit Calculator computes your profit or loss on cryptocurrency investments, including the effects of trading fees, gas fees (for on-chain transactions), and different cost-basis methods. With Bitcoin and Ethereum prices fluctuating significantly — from Bitcoin's $15K-$100K+ range in recent years — understanding your real P&L after fees is critical. In 2026, with the crypto market maturing and institutional involvement growing (Bitcoin ETF approvals, stablecoin regulations), crypto remains a major asset class that requires the same disciplined tracking as stocks.

How Does It Work?

Enter your buy price, sell price (or current price for unrealized P&L), investment amount, and any fees (exchange trading fees typically 0.1-0.6%, or gas fees for on-chain transactions). The calculator computes: Profit/Loss = (Sell Price − Buy Price) × Coins − Fees; ROI% = (Profit / Total Investment) × 100. For multiple trades, it supports FIFO and average cost basis methods.

Formula

Coins Purchased = Investment ÷ Buy Price\nProceeds = Coins × Sell Price\n\nGross Profit = Proceeds − Investment\nFees = (Investment × Buy Fee%) + (Proceeds × Sell Fee%)\nNet Profit = Gross Profit − Fees\n\nROI% = (Net Profit ÷ (Investment + Fees)) × 100%\n\nHODL Return = (Current Price − Entry Price) ÷ Entry Price × 100%\n\nBreak-Even Price = Entry Price × (1 + Total Fee%)

Who Uses This Tool?

• Crypto investors calculating realized gains/losses for tax reporting
• Traders evaluating whether a trade was profitable after accounting for fees
• HODLers tracking unrealized gains at current market prices
• Tax preparation: determining cost basis and capital gains
• Comparing crypto investment returns to traditional assets (stocks, bonds)

Pro Tips

• Track every trade — crypto exchanges don't always provide cost basis to the IRS, but you're still responsible for reporting. Use crypto tax software like Koinly or CoinTracker
• Fees matter for small trades: a 0.5% buy fee + 0.5% sell fee on a 5% profitable trade eats 20% of your profit. Use limit orders (lower fees) and low-fee exchanges
• Gas fees on Ethereum can be $5-200+ depending on network congestion. Always check gas before transacting — weekends and early morning US time are typically cheapest
• The IRS treats crypto as property, not currency — every trade (crypto-to-crypto, not just crypto-to-USD) is a taxable event. Wash sale rules don't currently apply to crypto

Frequently Asked Questions about Crypto Profit Calculator

Do I have to pay taxes on crypto profits?

Yes. In the US, crypto is treated as property for tax purposes. Every sale, trade, or conversion is a taxable event. Short-term gains (<1 year) are taxed as ordinary income (10-37%); long-term gains (>1 year) at 0-20%. Crypto-to-crypto trades ARE taxable.

How do gas fees work?

Gas fees are transaction fees paid to blockchain validators/miners for processing transactions. On Ethereum, gas is denominated in gwei (1 gwei = 0.000000001 ETH). Complex transactions (smart contracts, swaps) cost more gas than simple transfers. Layer 2 solutions (Arbitrum, Optimism, Base) offer much lower fees.

Free online Crypto Profit Calculator — no signup, 100% client-side processing. All data stays in your browser.