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ETF Calculator — return after TER and tax

Estimate the projected return on an ETF investment. Enter your capital, monthly contribution, expected return and the TER fee — the calculator shows the portfolio value after a chosen number of years.

Reviewed byRedakcja Liczbnik
Calculator
PLN
PLN
%
%
lat
ETF portfolio valueNet portfolio value (PLN)293,790.21PLN
Gross portfolio value (PLN)
332,210.14 PLN
Total contributions (PLN)
130,000.00 PLN
Net profit (PLN)
163,790.21 PLN
Belka tax (PLN)
38,419.93 PLN

How we calculate the ETF return

We apply compound interest reduced by the TER (annual management fee). At the end we deduct the capital gains tax on the profit.

Example: 10,000 zł, 500 zł/month, 8% return, TER 0.2%, 20 years

Value after 20 years: about 330,000 zł gross. After the 19% capital gains tax: about 278,000 zł.

Frequently asked questions

What is the TER fee?

TER (Total Expense Ratio) is the annual cost of managing the fund, expressed as a percentage of assets. It lowers your net return each year.

What is the capital gains tax in Poland?

It is a 19% flat tax on investment profit, known as the "Belka tax". The calculator deducts it at the end.

Does the calculator include the monthly contribution?

Yes. You can add a regular monthly deposit on top of the starting capital, and the tool compounds both.

Is the return guaranteed?

No. Market returns vary year to year; this tool assumes a constant rate for a simplified projection only.

Why does TER matter so much over time?

Even a small annual fee compounds over decades, so a 0.2% versus 1% TER can mean tens of thousands of zł difference.

Can I use it for accumulating ETFs?

Yes. For accumulating ETFs the tax is typically paid on sale, which the end-of-period calculation reflects.

Indicative result

The result is a forecast based on a fixed rate of return — actual results may differ.

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