Contact
Have a question about our calculators? Found an error? We'd love to hear from you. Use the email below to reach us — we try to respond on every working day.
What you can write about
- A bug or technical problem in the calculator
- Incorrect or outdated tax rates or ZUS values
- A suggestion for a new calculator or feature
- A business or partnership inquiry
- General feedback or a question about the tool
Important
Kalkulator.app does not provide individual tax or legal advice. All calculators are informational tools only. For personal tax decisions, please consult a licensed tax advisor or accountant.