Legal tools
Free calculators to help you understand costs and interest
Statutory interest calculator
Calculate statutory interest for late payment. Select the interest type, enter the amount due and dates to get a precise result with a rate breakdown.
Rates as of July 2026 (NBP reference rate: 3.75%). Commercial transaction rates are set semi-annually. This calculator is for informational purposes only: the result does not constitute legal advice.
Court fee estimator
Estimated costs of filing a claim in a civil court based on the value of the dispute, under the Act on Court Costs in Civil Cases (Art. 46).
The result is an estimate. Labor law cases are exempt from first-instance fees. The appeal fee equals the filing fee, but no more than 100,000 zł.