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Polish Sick Pay Calculator (L4 Benefit)

This calculator helps you estimate your sick-leave benefit (zasiłek chorobowy) under the Polish social insurance system. Enter your average monthly gross salary, the number of sick days and the applicable rate — we handle the rest. Results are indicative and do not replace an official ZUS determination.

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How we calculate sick pay

Benefit base = gross salary × (1 − 0.1371), where 13.71% is the total employee ZUS contribution (pension 9.76% + disability 1.5% + sickness 2.45%). Daily rate = base ÷ 30. Sick pay = daily rate × number of days × percentage rate (70%, 80% or 100%). The formula follows the Polish Act of 25 June 1999 on cash benefits from social insurance in case of sickness and maternity.

Sick pay calculation example

An employee earns 6,000 PLN gross per month and is on sick leave for 14 days at the standard 80% rate. Benefit base: 6,000 × (1 − 0.1371) = 5,177.40 PLN. Daily rate: 5,177.40 ÷ 30 = 172.58 PLN. Sick pay for 14 days: 172.58 × 14 × 80% = 1,932.90 PLN gross.

Frequently asked questions about sick pay

This calculator is for informational purposes only. The result is based on the data you entered and does not account for all individual circumstances (gaps in insurance coverage, bonuses, overtime, deductions). The exact benefit amount is determined by ZUS or your employer. This does not constitute legal or financial advice.

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