How German income tax (Einkommensteuer) is structured
Germany taxes individuals under the German Income Tax Act (EStG). The tariff in EStG section 32a tax tariff is a continuous formula, not a set of flat steps. There is a basic tax-free allowance (Grundfreibetrag), then rising rates, a 42% zone, and a 45% top rate for very high income.
Because the law uses a formula, any bracket table is only an approximation. The German Federal Ministry of Finance publishes official materials. This calculator lets you edit simplified bands so you can plan, then you should confirm the result with a Steuerberater or the Finanzamt.
What this estimate includes and what it leaves out
The tool applies a basic allowance, then tax by edited bands, and shows effective and marginal rates. That is useful for a first cash plan.
It does not apply solidarity surcharge, church tax, splitting for married couples, or every personal allowance. Treat the Excel export as a worksheet for your adviser, not as a tax assessment.
How to use this Germany income tax calculator
Enter income in euros, keep or change the allowance, add extra deductions if they apply, then review the breakdown. If you have a more precise tariff table, replace the bands before you rely on the number.
For the legal wording of the tariff, read EStG section 32a tax tariff. For ministry guidance, start at the German Federal Ministry of Finance.