Contact

Write to us

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Email

You can reach us at: kontakt@liczbnik.pl

We reply within 48 hours.

Report a bug

If you noticed an incorrect result in one of our calculators, please send us an email with the following information:

• the calculator name and page URL,
• the language version (pl / en / uk),
• the input values you used,
• the result you got and the result you expected,
• optionally, the source on which you based your expected result.

Email subject: Calculator bug.

Suggest a calculator

Have an idea for a calculator we are missing? Tell us briefly what it should calculate, who would use it, and where the formulas or rates can be found. We will consider whether we can implement it.

Email subject: Calculator suggestion.