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Free calculators for the self-employed
Quick answers to everyday questions of self-employed life in Germany – right in your browser, no sign-up.
Small business calculator
Check in one minute whether you can use the small business scheme (Kleinunternehmerregelung, § 19 UStG).
VAT calculator
Convert net to gross and gross to net – with 19% or 7% VAT (Umsatzsteuer).
Hourly rate calculator
Work out which hourly rate you need to reach your target income.
Income tax calculator
Estimate your 2026 income tax (Einkommensteuer) as a self-employed person – with solidarity surcharge and church tax.
Trade tax calculator
Calculate the trade tax (Gewerbesteuer) with the allowance, your municipality’s Hebesatz and the credit against income tax.
Depreciation calculator
Calculate the straight-line depreciation (AfA) for a laptop, car or furniture – with a depreciation schedule.
Skonto calculator
Is the early payment discount (Skonto) worth it? Calculate the discount, the amount to pay and the effective annual interest rate.
E-invoice obligation calculator
From when do you have to issue e-invoices (E-Rechnung)? Find your deadline with three questions.
Invoices and taxes without a pocket calculator
KontoVexa calculates VAT, deadlines and profit automatically from your invoices and receipts.
The calculators give you a first orientation. The content is general information, not tax advice.