Belka Tax Calculator
Calculate the Belka tax (19%) on interest, dividends, and capital gains from securities. Find out how much you will pay and how much you keep after tax.
Tax calculators
Current for 2026How we verify data: Methodology →
Stock Profit Calculator
Calculate the profit from selling shares, taking into account purchase costs and commission. The calculator works out the Belka tax (19%) and the net payout.
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How we calculate stock profit
Profit = (sale price - purchase price) x number of shares - commissions. Belka tax = profit x 19%.
Example: buy 100 shares at 50 PLN, sell at 70 PLN
Gross profit: 2,000 PLN. Belka tax: 380 PLN. Net profit: 1,620 PLN.
Frequently asked questions
What is the Belka tax?
It is a 19% Polish tax on capital gains, including profit from selling shares.
How do I calculate profit from shares?
Profit = (sale price - purchase price) x number of shares, minus broker commissions.
Is broker commission deductible?
Yes, buying and selling commissions reduce the taxable profit.
When do I pay the Belka tax?
You settle it in your annual PIT-38 return for the year in which you sold the shares.
Can I offset losses against gains?
Yes, losses can be set against gains and carried forward, so a tax adviser is worth consulting.
Is the calculator free?
Yes, the stock profit calculator is free and works online.
The result is indicative. Consult a tax adviser regarding loss offsetting.
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ResultPLN 2,421.90zyskNetto
- zyskBrutto
- PLN 2,990.00
- podatekBelki
- PLN 568.10
- roi
- 29.9
- kosztCalkowity
- PLN 10,010.00