Finance calculators for Poland
Free calculators for anyone living and working in Poland — no sign-up. Everything is calculated in your browser using current Polish tax rules.
Compound interest
How much your savings grow with monthly contributions
Loan calculatorMonthly payment and total cost of a loan
Deposit calculatorInterest on a bank deposit after the 19% Belka tax
Passive incomeHow much capital you need to live off returns
Polish treasury bondsEDO, COI, TOS or ROR — which pays most after tax
Loan overpaymentHow much interest you save and how much sooner you pay off
IKZE calculatorTax refund for IKZE retirement account contributions in 2026
Gross to net salaryYour take-home pay on a Polish employment contract
Sick pay calculator (L4)How much you get on sick leave in Poland (80%, 70%, 100%)
Holiday leave calculatorHow many days of leave you are entitled to and your payout for unused leave
B2B / sole trader calculatorTax scale, flat 19% or lump-sum — which pays off