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Maternity benefit calculator — ZUS Poland

Maternity benefit (zasiłek macierzyński) is a cash benefit paid by ZUS (the Polish Social Insurance Institution) during maternity and parental leave. It is available to anyone covered by sickness insurance — employees, contractors and self-employed individuals who pay the sickness contribution. The benefit amount depends on three factors: the assessment base (average gross salary over 12 months minus 13.71% in ZUS employee contributions), the chosen leave variant (maternity at 100%, parental variant A at 81.5%, or variant B at 100% + 70%), and the number of calendar days in the month. This calculator will show you the gross monthly benefit and the net amount after 12% income tax (PIT) is withheld. Results are indicative — ZUS determines the actual amount based on your employment documentation.

Reviewed byRedakcja Liczbnik
Calculator
PLN
Your maternity benefitGross monthly benefit5,177.40PLN
Net monthly benefit
4,556.11 PLN
Assessment base after ZUS
5,177.40 PLN
Daily benefit rate
172.58 PLN
Percentage rate (%)
100

How the maternity benefit calculator works

The calculator performs the following steps: 1. Base after ZUS = grossSalary × (1 − 0.1371) — deducting pension (9.76%), disability (1.5%) and sickness (2.45%) contributions paid by the employee. 2. Gross monthly benefit = base after ZUS × percentage rate: - Maternity leave (20 weeks): 100% - Parental leave variant A (32 weeks): 81.5% - Parental leave variant B (32 weeks): weighted average 6 weeks × 100% + 26 weeks × 70% = 75.625% 3. Net benefit = gross benefit × (1 − 12% PIT) — ZUS withholds income tax advance. 4. Daily rate = base after ZUS / 30. All results are rounded to 2 decimal places.

Example: employee earning PLN 6,000 gross

An employee has an average gross salary of PLN 6,000 over 12 months. Assessment base after ZUS deductions (13.71%): 6,000 × 0.8629 = PLN 5,177.40. On maternity leave (100%): gross benefit = PLN 5,177.40/month, net after 12% PIT = PLN 4,556.11. If she chooses parental leave variant A (81.5%): gross = PLN 5,177.40 × 0.815 = PLN 4,219.58, net = PLN 3,713.23. Under variant B (100% for 6 weeks + 70% for 26 weeks) the average monthly benefit = PLN 5,177.40 × 0.75625 = PLN 3,915.84 gross.

Frequently asked questions

Who is entitled to maternity benefit in Poland?

Maternity benefit is available to insured persons covered by the sickness insurance scheme: employees on employment contracts, contractors who have voluntarily joined sickness insurance, and self-employed individuals paying the sickness contribution. There is no waiting period — entitlement arises from the first day of insurance cover.

How is the maternity benefit assessment base calculated?

The assessment base is the average gross monthly salary earned over the 12 calendar months preceding the month of childbirth (or the shorter period of employment), reduced by the employee's ZUS contributions of 13.71% (pension 9.76% + disability 1.5% + sickness 2.45%). Bonuses, overtime and other salary components are included if they are normally paid during sick leave.

How long is maternity leave and parental leave?

Maternity leave lasts 20 weeks (for one child born in a single birth). After it ends, both parents together are entitled to 32 weeks of parental leave, of which 9 weeks are reserved exclusively for the father or the other parent and cannot be transferred. In total, parents can take up to 52 weeks of paid leave funded by ZUS.

What is the difference between parental leave variant A and variant B?

Variant A: 81.5% of the assessment base for all 32 weeks of parental leave — a fixed, steady payment. Variant B: 100% for the first 6 weeks, then 70% for the remaining 26 weeks — the total payout is lower. Variant A is generally more financially advantageous for the full duration. The choice is made before or at the start of the maternity leave by submitting the appropriate application to the employer or ZUS.

Is maternity benefit subject to income tax?

Yes. Maternity benefit is subject to personal income tax (PIT) at the standard rate (12% up to the threshold of PLN 120,000 per year, 32% above). ZUS acts as the tax withholder and deducts the monthly tax advance. The benefit is declared in the annual tax return (PIT-37). It is not subject to social security contributions (pension, disability, sickness).

Can the father take maternity benefit?

Yes. The father (or other parent) can claim maternity benefit during paternity leave (2 weeks, 100% of the base) and during their share of parental leave. Both parents may take parental leave simultaneously, but the combined duration cannot exceed 32 weeks, with each parent's 9-week non-transferable portion counted separately.

Indicative result

Indicative result only. This does not constitute legal or financial advice. The actual benefit is determined by ZUS based on individual documentation. Consult a lawyer or ZUS specialist if in doubt.
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