Crypto Profit Calculator — Net Profit, ROI & Break-Even After Fees

Real-world use cases

• Check a closed Bitcoin trade after fees

  You bought 0.5 BTC at $60,000 and sold at $66,000, both legs at a 0.1% exchange fee. Enter the prices, set quantity to 0.5, and put 0.1 in each fee field. The tool returns about $2,937 net profit and a 9.78% ROI — meaningfully below the +10% the price moved, because the round-trip fee of roughly $63 came out of the gain. Now you know the real number to log, not the headline price change.

• Find the floor before placing a limit sell

  You hold a coin bought at $1.20 and you don't want to sell at a loss once fees are counted. Enter the buy price and your buy and sell fees, and read the break-even sell price line: for 0.1% fees on each side it lands near $1.2024. Set your limit order above that and you're guaranteed not to close red on fees alone, no mental math at 2 a.m.

• Size a position from a dollar budget

  You decided to put exactly $500 into a token at $0.85 and want to model the outcome at a $1.10 target. Switch to amount mode, enter 500 as the amount invested, set buy price 0.85 and sell price 1.10. The tool derives the coin count (~588) and reports net profit and ROI after fees, so you can compare it against other $500 ideas on equal footing.

• Compare a high-fee altcoin venue against a cheap one

  The same trade can pay very different fees on different venues. Run your buy and sell prices once with 0.1% fees and once with 0.5% on each side. Watching the net profit and break-even price shift between the two tells you, in real dollars, how much the cheaper venue is worth on this position — often more than the spread you were worried about.

• Sanity-check a screenshot of a "10x" claim

  A post claims a 10x but only shows the entry and exit price. Plug both in with realistic fees and a quantity, and see the actual ROI after costs. Frequently the "10x" is a price multiple, while the after-fee ROI on the cash committed is a different, smaller story — useful before you copy a trade.

Common pitfalls

• Entering the fee as a decimal instead of a percent. The fee fields expect a percent: a 0.1% maker fee is entered as 0.1, not 0.001. Typing 0.001 understates your fees by a factor of 100 and inflates the profit.

• Reading the raw price change as your return. A +10% price move is not a +10% ROI once both fees are paid and the buy fee is counted in your committed capital. Use the ROI line, not the price-change line, for what you actually earned.

• Forgetting the sell fee when planning an exit. Break-even is not your buy price; it's buy price × (1 + buy fee) ÷ (1 − sell fee). Selling exactly at your entry price still loses money because the sell-side fee was never recovered.

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