Stock Profit Calculator
Calculate profit from selling shares, the Belka tax (19%) and the net amount. Includes broker commission. Free online stock profit calculator.
Investment Calculators
Current for 2026How we verify data: Methodology →
Cryptocurrency profit calculator
Calculate the profit from a cryptocurrency investment. Enter the buy price, sell price and quantity — the calculator works out the profit in PLN and as a percentage.
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How we calculate crypto profit
Profit = (sell price − buy price) × quantity. ROI = profit / acquisition cost × 100%.
Example: buy 0.5 BTC at 150 000 zł, sell at 200 000 zł
Profit: (200 000 − 150 000) × 0,5 = 25 000 zł. ROI: 33%.
Frequently asked questions
How is crypto profit calculated?
Subtract the buy price from the sell price and multiply by the quantity held to get the profit in PLN.
What is ROI?
ROI (return on investment) is your profit divided by the acquisition cost, expressed as a percentage.
Does this include taxes?
No, this calculator shows gross profit; crypto gains in Poland are taxed at 19% via the PIT-38 form.
Does it account for fees?
Not by default — exchange and transaction fees reduce real profit, so include them in your buy and sell prices.
Why is crypto so volatile?
Cryptocurrency prices can swing sharply due to speculation, sentiment and low liquidity compared with traditional assets.
Is this investment advice?
No, the calculator is for information only; crypto carries high risk and you should do your own research.
Result is indicative. Cryptocurrency prices are highly volatile. This is not investment advice.
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ResultPLN 50,000.00zysk
- zyskNetto
- PLN 40,500.00
- podatekPit38
- PLN 9,500.00
- zyskProc
- 50