Tax calculations for Germany: income tax, crypto, commuter allowance, and more.
Rechner-Hub is a collection of free online calculators covering German tax, salary, and social benefits topics, operated by a single developer based in Münster. The site offers 126 calculators across categories including salary and wages, taxes, social benefits, pensions, and real estate/inheritance, covering tools such as gross-to-net salary calculators, tax class comparisons, cryptocurrency tax, Elterngeld (parental allowance), housing benefit (Wohngeld), severance pay, and company car benefits. Calculations are based on official sources including the Federal Ministry of Finance's (BMF) wage tax program schedule, published social insurance contribution rates, and state-level real estate transfer tax rates, with the relevant legal paragraphs listed on each calculator's page.
The calculators require no registration and the site states no data is stored. Content is dated as current for 2026, with figures last updated in June 2026. The site also offers downloadable PDF forms (such as rent certificates for housing benefit or job center applications) that can be filled out and generated without upload, along with a blog and an API.
This tool is aimed at individuals in Germany seeking quick estimates for tax and benefit calculations before consulting official sources like the tax office (Finanzamt) or a tax advisor, as well as employees, freelancers, and self-employed people handling salary, tax class, or social contribution questions.
Yes, it provides 126 free calculators with no registration required.
No, the site explicitly states it has no data storage ("Keine Datenspeicherung").
The calculators are based on official sources such as the BMF's wage tax program schedule, DRV pension values, and WoGG housing benefit coefficients.
It is aimed at anyone dealing with German tax and social law questions, including employees, freelancers, and crypto investors, and is built by a single developer based in Munster.
Yes, an API is offered and linked directly in the site's navigation.
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