Free tools for companies in Poland
Work out what you keep from a B2B invoice, check ZUS and the health contribution, company costs and how to write off a purchase, and issue a KSeF invoice. Everything runs in your browser, with no sign-up, under the 2026 rules.
Popular
- B2B calculator 2026
- Scale, flat tax or ryczałt
- ZUS calculator 2026
- Health contribution calculator
- B2B or employment contract
- Company cost calculator
- Dividend or salary
- Poland's Estonian CIT or standard CIT
- Depreciation calculator
- KSeF invoice generator
- NBP rate for an invoice
- Employer cost calculator
- VAT calculator
- VAT exemption limit
- Tax interest calculator
- Tax calendar
All tools
Sorted by task. Each tool works on its own.
Sole traders (JDG) and B2B
B2B calculator 2026
What you keep from an invoice under the scale, flat tax and ryczałt: ZUS, health contribution and PIT for the year.
Scale, flat tax or ryczałt
Tax, health contribution and ZUS under each form, break-even points and deadlines to change the form.
ZUS calculator 2026
Start-up relief, preferential ZUS, Mały ZUS Plus and full ZUS: every contribution with and without sickness insurance.
Health contribution calculator
The monthly amount under the scale, flat tax and ryczałt, the PIT deduction and the annual reconciliation.
B2B or employment contract
Take-home on employment and on B2B at the same cost to the company or the same gross, plus what B2B lacks.
Company (sp. z o.o.)
Company cost calculator
Founding cost via S24 or a notary and the monthly cost: shareholder ZUS, health contribution, accounting.
Dividend or salary
What the shareholder keeps from a dividend compared with a salary.
Poland's Estonian CIT or standard CIT
Total tax on profit paid out to shareholders under both regimes.
Expenses and depreciation
Invoicing
Payroll
VAT and deadlines
VAT calculator
Net, gross and VAT at 23%, 8%, 5% and 0%, plus an invoice with several rates rounded to the grosz.
VAT exemption limit
How much is left of 240,000 zł, the limit in your first year and the invoice from which you add VAT.
Tax interest calculator
Late payment interest on unpaid tax at each period's rate, with rounding and the 8.70 zł threshold.
Tax calendar
PIT, CIT, JPK_V7, ZUS, financial statement and KRS deadlines for a JDG or company, exportable to your calendar.
A calculator counts once. Norman counts every month.
The tools show an example. In Norman the same figures come from your own operations: the PIT advance, ZUS contributions, VAT and depreciation.
- 01
Connect KSeF and your bank
Invoices and payments arrive in Norman by themselves, with no numbers to retype into a calculator.
- 02
Norman calculates from your data
The PIT advance, ZUS contributions and VAT come from your operations, not from sample amounts.
- 03
Ask in the chat
Write it your way, and Norman answers from your books.
- What do I need to pay in November?
- How much VAT do I pay for October, and by when?
FAQ
Are the tools free?
Yes. Every tool works without sign-up and without charge.
Is my data stored anywhere?
No. Calculations and files are created in your browser. We do not send or store form data.
Which year do the calculations use?
2026. Where 2027 values are already known, the calculators show them too and mark the ones that rest on a forecast.
Are the results tax advice?
No. The tools are for information only. For tax decisions, consult a tax adviser or an accountant.