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Health contribution calculator — sole prop, flat tax

Calculate monthly health contribution for sole proprietorship on scale or flat tax. 4.9% or 9% of the base.

How does the calculator work?

The calculator computes the monthly health contribution for the self-employed (JDG). Choose the rate: 4.9% (deductible from PIT advance under scale/books/linear) or 9% (for ryczałt — not deductible). The base is revenue or income depending on the form; a minimum base may apply — check the regulations.

Health contribution rates

RateDescription
4,9%Deductible from PIT advance (tax scale, books, 19% linear).
9%Ryczałt — not deductible from tax advance.

As of: 2026-02-01.

Conditions and exceptions

  • • The contribution base depends on the form of taxation (revenue under ryczałt, income under scale/books).
  • • A minimum base may apply — check current regulations (ZUS, MF).
  • • The contribution is paid monthly.

Examples

• Base 10,000 PLN, rate 4.9%: contribution 490 PLN (deductible from PIT advance). • Base 10,000 PLN, rate 9%: contribution 900 PLN (ryczałt — not deductible). • Base 5,000 PLN, rate 9%: contribution 450 PLN.

FAQ

When do I pay 4.9% and when 9%?
4.9% — when you are on the general rules (scale), linear (19%) or with books; you deduct this contribution from the PIT advance. 9% — when you are on ryczałt; you do not deduct this from the advance.
What is the health contribution base?
Under ryczałt — on revenue. Under scale/books/linear — on income or on a statutory amount (e.g. minimum base), depending on the regulations. The calculator uses the amount you enter as the monthly base.
Do I pay the health contribution every month?
Yes. The self-employed pay the health contribution monthly (with ZUS or in the tax settlement, depending on the form).
Does the calculator include the minimum base?
No. The calculator multiplies the given base by the rate. In practice a minimum base may apply — check current regulations (ZUS, MF).
Where to check current rates and rules?
Act on healthcare benefits financed from public funds and PIT regulations (MF, gov.pl). Rates may change.

Legal basis

  • Ustawa o świadczeniach opieki zdrowotnej (Dz.U. 2004 nr 210 poz. 2135)
  • Ministerstwo Finansów — składka zdrowotna
  • ZUS — przedsiębiorcy

As of: 2026-02-01.

Legal information

Calculations are for information and estimation only. They do not constitute legal, tax or other professional advice. For individual matters, consultation with a lawyer, tax adviser or other specialist is recommended.

Legal basis

Act on healthcare benefits financed from public funds and PIT regulations. Contribution 4.9% (deductible from advance) or 9% (ryczałt). Base depends on the form of settlement.

Related calculators

  • Linear tax 19% calculator
  • Lump‑sum tax calculator — rates & advances
  • Net salary calculator — gross to net

Related guides

  • How to calculate lump‑sum tax — step by step
  • Linear tax — rules, eligibility and how it works
  • Linear tax vs scale and lump‑sum — comparison
  • Lump-sum tax — who it suits and when it makes sense
  • Health contribution for sole traders — rules, rates and settlement

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    Gdańsk0.0 (0 reviews)

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