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Tools
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Gross to net?
contact_support Nowy Ład changes
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UoP salary calculator 2026
B2B calculator 2026
Also check out: Showloan - mortgage calculator
ladnepodatki.pl

Tools and pages:

calculate B2B Calculator

See how much you earn running a business, self-employment, or sole proprietorship (JDG)

calculate Employment contract (UoP) calculator

Calculate your salary for an employment contract (UoP)

leaderboard B2B vs UoP comparison

Compare B2B vs UoP and choose the optimal tax form!

health_and_safety B2B health insurance contribution calculator

Calculate B2B health insurance contribution for 2026

emoji_objects Gross to net?

Check how much a gross amount is net on UoP and B2B

contact_support Nowy Ład changes

A list of the most important changes for entrepreneurs introduced under the Nowy Polski Ład program, effective from January 1, 2022.

menu_book B2B glossary

A glossary of the most important Polish business and tax terms explained in plain language.

update

Changelog

We keep improving ladnepodatki.pl,
so that calculating taxes is simpler and more accurate.

Language versions added

31.07.2026
  • The site is now available in English, Ukrainian and Russian.
  • Added a language switcher with flags in the page header.
  • Changing the language keeps you on the same calculator or page.

PPE in UoP calculator and refreshed design

27.07.2026
  • The UoP calculator now supports PPE — the employee pension program alongside PPK.
  • The annual summary includes a new Savings section with PPK and PPE contributions.
  • We refreshed the app design and typography — results are easier to read on mobile and desktop.