No processing of your file contents takes place on any server. You need no data-processing agreement with gottrix to handle confidential or business documents.
Hosted in GermanyGlobal Content Delivery
Origin servers at Hetzner in Germany, delivered worldwide through a content delivery network. Your file contents are never transmitted in the process - they never leave your device.
In Poland, an employment contract (umowa o pracę) first reduces gross pay by the ZUS social-security contributions: 9.76 percent pension insurance, 1.5 percent disability insurance and 2.45 percent sickness insurance, 13.71 percent together. From what remains, the 9 percent health contribution (składka zdrowotna) is deducted - it has not been tax-deductible since the 2022 tax reform.
The tax base is gross pay minus ZUS minus the monthly standard cost deduction (250 zloty, 300 zloty for commuters from another town). The Polish tax scale then applies: 12 percent up to the annual 120,000 zloty threshold, 32 percent above it - simplified onto a single month. If a PIT-2 has been filed with the employer, the monthly 300 zloty "kwota zmniejszająca podatek" further reduces the tax. Everything runs locally in your browser as plain JavaScript, with no upload and nothing stored.
An honest note: this is a model-based estimate for a standard umowa o pracę employment contract at a constant monthly salary - not tax advice. Not modelled are the annual ZUS contribution ceiling, PPK workplace pension, the "ulga dla młodych" tax exemption for employees under 26, umowa zlecenie/dzieło contracts, and an employer-specific accident-insurance risk class for the employer-cost figure.
Specifications
Specifications
Input formats
Form inputs (no file)
Processing
Locally in your browser (JavaScript)
File upload
None
In 3 steps
Enter the gross salary in zloty.
Choose the standard or commuter cost deduction.
Indicate whether a PIT-2 has been filed with the employer.
Read off net pay, ZUS, health contribution, PIT and employer cost.
Limitations: A model-based estimate for a standard employment contract at a constant monthly salary (2026 tax scale, ZUS rates, 9% health contribution). Not modelled: the annual ZUS contribution ceiling, PPK pension, the under-26 "ulga dla młodych" exemption, umowa zlecenie/dzieło contracts, an employer-specific accident-insurance risk class. Poland only. Not tax advice.
FAQ
Are my inputs uploaded?
No. The calculation runs entirely locally in the browser; nothing is sent or stored.
What is the "kwota zmniejszająca podatek"?
A monthly 300 zloty tax reduction (the 30,000 zloty annual tax-free amount times 12 percent), applied when a PIT-2 naming this employer as principal has been filed.
Why is the health contribution not tax-deductible?
Since the 2022 "Polski Ład" tax reform, the 9 percent składka zdrowotna no longer reduces the tax base - unlike before 2022.
Does this work for employees under 26?
No, that case has the separate "ulga dla młodych" exemption up to 85,528 zloty of annual income - this calculator only models the standard rules.