Bitcoin Profit Calculator

How the Bitcoin Profit Calculator Works

This calculator shows the profit or loss on a Bitcoin trade and the return on investment (ROI) as a percentage. Enter the amount of BTC you bought, your buy price, your sell price, and the fee rate your exchange charges. The result updates instantly and includes the full working so you can see exactly where the numbers come from.

The Formula

Trading fees apply to both the buy and the sell, so they are subtracted from each side:

Total cost = (buy price × amount) + buy fee Net proceeds = (sell price × amount) − sell fee Profit = net proceeds − total cost ROI = (profit ÷ total cost) × 100

The buy fee is the buy value multiplied by your fee rate, and the sell fee is the sell value multiplied by the same rate. A positive profit means a gain; a negative figure means a loss.

Worked Example

Suppose you bought 0.5 BTC at 40,000 dollars and later sold at 65,000 dollars, with a 0.5% fee on each side:

• Buy value = 40,000 × 0.5 = 20,000 dollars
• Buy fee = 20,000 × 0.5% = 100 dollars, so total cost = 20,100 dollars
• Sell value = 65,000 × 0.5 = 32,500 dollars
• Sell fee = 32,500 × 0.5% = 162.50 dollars, so net proceeds = 32,337.50 dollars
• Profit = 32,337.50 − 20,100 = 12,237.50 dollars
• ROI = 12,237.50 ÷ 20,100 = ≈ 60.9%

Why Fees Matter

Fees quietly erode returns, especially on frequent trades. A 0.5% fee on both ends of a round trip costs roughly 1% of the position before the price even moves. Always factor them in when you compare strategies.

Buy price	Sell price	Amount	Approx. profit (0.5% fee)
30,000	45,000	1 BTC	≈ 14,625
40,000	65,000	0.5 BTC	≈ 12,238
60,000	50,000	0.25 BTC	≈ −2,638

Profit and ROI shown here are pre-tax. Capital gains tax on crypto varies by country, so treat these figures as your gross trading result.