Przejdź do treści
Liczbnik
Current for 2026Methodology

13th Salary Calculator (Trzynastka)

Enter monthly salary and months worked — the calculator returns the 13th salary gross and estimated net.

Na tej stronie

How we calculate

13th salary = average wage × months worked × 8.5%. Proportional for less than a full year. Subject to PIT income tax.

Example: 5000 PLN/month, 12 months

13th salary = 5000 × 12 × 8.5% = 5100 PLN gross. PIT ≈ 612 PLN. Net ≈ 4488 PLN.

Frequently asked questions

Who is entitled to the 13th salary?

Employees in the public sector (budgetary sphere) who worked at least 6 months in a calendar year.

What is the 13th salary rate?

8.5% of total remuneration earned during the calendar year.

When is the 13th salary paid?

By 31 March of the following year. Often paid in February or March.

Yes — for less than 12 months worked, it is calculated proportionally.

Not by law. However, some employers voluntarily pay an annual bonus — check your employment contract.

Yes — income tax applies at the same rate as regular salary (12% or 32%).

Yes — ZUS social and health contributions apply.

If they have at least 6 months of service, they are entitled to a proportional 13th salary.

Yes — employees dismissed for disciplinary reasons may lose entitlement.

No — the 13th salary is a statutory entitlement in the public sector. Christmas bonuses are voluntary.

Indicative result. Rules are governed by the Act on Additional Annual Remuneration.

  • Employer Cost Calculator

    Calculate the total cost of hiring an employee in Poland. Includes employer ZUS contributions: pension, disability, accident insurance, Labour Fund, and FGÅšP.