Crypto Profit Calculator
Work out the profit or loss on a crypto position after exchange fees, find the break-even price, and stress-test the outcome across a range of future prices. Every number is computed in your browser.
Label only — no FX conversion is applied.
A 0.100% fee is charged on the buy and again on the sell.
Result
Net profit / loss
$4,895.00 profit
ROI on cost basis
+9.8%
Break-even per BTC
$50,100
At $55,000 you are already at or above break-even — the price move covers the fees.
| Quantity held | 1.0000 BTC |
|---|---|
| Total cost basis (incl. buy fee) | $50,050.00 |
| Buy fee paid | $50.00 |
| Sell fee at your sell price | $55.00 |
| Total fees paid | $105.00 |
| Gross proceeds | $55,000.00 |
| Net proceeds after the sell fee | $54,945.00 |
| Position value at that price | $55,000.00 |
| Profit % (net profit ÷ total cost incl. buy fee) | +9.8% |
| Fee drag | 0.21% of the amount invested |
| Fees as a share of gross profit | 2.10% of $5,000.00 |
What if the price moves?
Each row applies the change to your sell price of $55,000. The highlighted row is closest to break-even.
| Change | Price / BTC | Gross value | Fees | Net profit | ROI |
|---|---|---|---|---|---|
| -50.0% | $27,500 | $27,500.00 | $27.50 | $-22,577.50 | -45.1% |
| -25.0% | $41,250 | $41,250.00 | $41.25 | $-8,841.25 | -17.7% |
| -10.0% | $49,500 | $49,500.00 | $49.50 | $-599.50 | -1.2% |
| +0.0% | $55,000 | $55,000.00 | $55.00 | $4,895.00 | +9.8% |
| +10.0% | $60,500 | $60,500.00 | $60.50 | $10,389.50 | +20.8% |
| +25.0% | $68,750 | $68,750.00 | $68.75 | $18,631.25 | +37.2% |
| +50.0% | $82,500 | $82,500.00 | $82.50 | $32,367.50 | +64.7% |
| +100.0% | $110,000 | $110,000.00 | $110.00 | $59,840.00 | +119.6% |
| +200.0% | $165,000 | $165,000.00 | $165.00 | $114,785.00 | +229.3% |
Net profit against future price
Drawn by hand with the canvas 2D API — no chart library, no charting dependency. The dashed amber line is the break-even price and the dotted violet line is your sell price.
About this tool
This calculator turns your entry price (or your average cost across several buys), your sell price, your quantity and your exchange fee into net profit, ROI, fee drag and a break-even price that includes both sides of the trade. It also tables what happens to your profit at a range of future prices.
It runs entirely in your browser — nothing is uploaded and no exchange is contacted. Prices are the ones you type in yourself, and the currency setting is a display label only: no exchange-rate conversion is performed, and no other taxes or spreads are modelled.
- 100% free — no account needed
- Runs in your browser
- Nothing is uploaded
Frequently asked questions
Is Crypto Profit Calculator really free?
Yes. Crypto Profit Calculator is completely free on PureBrowser — every feature, with no account, no trial, and no credit card.
Does Crypto Profit Calculator upload my data?
No. Crypto Profit Calculator runs entirely inside your browser, so anything you type, paste, or open stays on your own device.
Do I need to sign up or install anything?
Neither. There is no account and nothing to download — open the page and Crypto Profit Calculator is ready to use on desktop or mobile.
Does Crypto Profit Calculator work offline?
Once the page has loaded, yes. All of the processing happens locally in your browser, so it keeps working without a connection.
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