Poland tax calculators
Salary, business tax and VAT in English. Rates as of 2026-01-01.
B2B
Compare tax options
Tax scale vs flat tax vs lump sum
One input, three results side by side. The calculator shows which tax option gives your business the highest net income.
Open calculator →B2B
Employment contract or B2B?
Umowa o pracę vs own business
Compare take-home pay on a Polish employment contract with a B2B contract. Monthly and yearly difference.
Open calculator →B2B
IP Box calculator for developers
12 % lump sum vs 19 % flat vs IP Box 5 %
B2B software developer? See which tax option leaves you the most from your invoice, including the 5 % IP Box rate.
Open calculator →Payroll
Poland salary calculator
Gross → net
Take-home pay on an employment contract: social security, health insurance, income tax, PPK and the employer cost.
Open calculator →Payroll
Net to gross calculator
Net → gross + employer cost
Enter the take-home amount and the calculator finds the gross salary and shows the total cost of employment.
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Contract of mandate and specific work calculator
Zlecenie / dzieło gross → net
Convert a contract of mandate or a contract for specific work to net. Contributions, 20/50 % costs, exemption for students under 26.
Open calculator →Payroll
Domestic business trip calculator
Per diems, overnight stays, local transport
Work out business trip allowances: per diems, the overnight lump sum and local public transport.
Open calculator →B2B
Tax scale calculator (B2B)
General rules 12/32 %
Business income on the general rules. Includes the 30,000 PLN tax-free amount and the 120,000 PLN threshold.
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Flat tax calculator (B2B)
Fixed 19 % rate
Flat tax for a sole proprietorship. Compare the burden with the tax scale and the lump sum.
Open calculator →B2B
Lump-sum tax calculator
On recorded revenue
Lump-sum tax (ryczałt) at the rate for your line of business. Social contributions and the flat-rate health contribution by revenue band.
Open calculator →B2B
Lump-sum tax rate calculator
Which rate applies to your business
Enter your type of business or profession and the search shows the lump-sum rate that applies (2–17 %).
Open calculator →Payroll
Mileage allowance calculator
Reimbursement for vehicle use
Work out the reimbursement for using a private vehicle for business: rate per km × kilometres driven.
Open calculator →B2B
Start-up relief and small ZUS: until when
ZUS relief dates
Enter your business start date and the calculator works out how long your start-up relief and preferential ZUS last.
Open calculator →Tax
KSeF: when does it apply to me
E-invoicing timeline
Check when mandatory KSeF e-invoicing applies to your business under the current timeline.
Open calculator →Tax
VAT calculator
Net ↔ gross
Quickly convert a net amount to gross and back. Rates of 23, 8, 5 and 0 %.
Open calculator →Calculators are indicative and are not tax advice. The result depends on your individual situation (reliefs, joint filing, ZUS status). Want an exact calculation for your business?
Accounting for foreigners in Poland