Profit / ROI Calculator
Runs in your browser
Calculate net profit, loss and ROI for a trade, including fees.
%
Net profit / loss
+4,975
ROI
+49.7%
Total fees
25
Enter your buy price, sell price, quantity and optional fee percentage to see net profit or loss and return on investment (ROI). Because you type the prices yourself, the calculation is fully offline and private. Use it to plan exits, review closed trades, or compare scenarios.
Frequently asked questions
Profit is the sell price minus the buy price, times the quantity, minus the trading fees you pay on the buy and on the sell. ROI is that net profit divided by the total you invested, shown as a percentage.
Yes. Enter your fee percentage per side (e.g. 0.1%) and the calculator subtracts it from both the entry and the exit to give net profit.
No. You enter the buy and sell prices yourself, so the tool runs fully in your browser with no live data and works offline.