German income tax (Einkommensteuer) and social security (Sozialabgaben) calculator.
Currently tested against the following assumptions:
- Public health and pension insurance
- West-German pension deduction
- Optional: Church tax
- Optional: Married
- Supported tax years: 2018-2024
- Calculate support for children (Kindergeld/Kinderfreibetrag)
- Implement correct pension deductible for East Germany
- German tax curve
- Wage tax (Lohnsteuer)
- Social security deductable (Vorsorgepauschale)
- Social security rates
- Taxable income calculator
- Solidarity tax (Solidaritätszuschlag)
Martin Klein, 2023