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RiverMath

Sole prop calendar — hourly year

Enter your net hourly client rate (ex-VAT), tax form (scale, 19% linear or ryczałt), social ZUS and whether you want a monthly or quarterly breakdown. The calculator counts Polish calendar workdays with public holidays and weekends, multiplies by 8 hours a day and your rate, then applies the same 2026 sole-prop sketch as the JDG page. You get annual net, an effective take-home hourly rate and a month or quarter table. A sketch, not a tax return.

What you invoice per hour before VAT — before your ZUS and PIT.
What you invoice per hour before VAT — before your ZUS and PIT.
zł/h
Default 8 h — change if you plan shorter working days.
Default 8 h — change if you plan shorter working days.
h
Average monthly business costs — reduce income on scale and linear, not ryczałt.
Average monthly business costs — reduce income on scale and linear, not ryczałt.
zł
Annual take-home net
216 979,61 złBooks — 19% linear
Effective net hourly
106,78 zł/h
Annual revenue from calendar
304 800,00 zł254 workdays × 8 h = 2032 h
Annual PIT
50 897,00 zł
Annual social ZUS
23 121,12 zł
Annual health contribution
13 802,27 zł

Annual take-home net: 216 979,61 zł. Books — 19% linear

Workdays in 2026
Jan20Feb20Mar22Apr21May20Jun21Jul23Aug21Sep22Oct22Nov20Dec22WorkdayWeekend and holiday
Revenue by calendar
PeriodWorkdaysHoursRevenue
Month 12016024 000,00 zł
Month 22016024 000,00 zł
Month 32217626 400,00 zł
Month 42116825 200,00 zł
Month 52016024 000,00 zł
Month 62116825 200,00 zł
Month 72318427 600,00 zł
Month 82116825 200,00 zł
Month 92217626 400,00 zł
Month 102217626 400,00 zł
Month 112016024 000,00 zł
Month 122217626 400,00 zł
Total2542032304 800,00 zł

Sketch only — not tax advice and not a substitute for an accountant.

Assumes work on every Polish workday of the year with a flat rate and costs; PIT and health are computed from the annual total like on the JDG calculator. Vacation, sick leave and days off are not subtracted.

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An educational estimate. Not medical, tax or credit advice.

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