227 calculators · verified for 2026
The right calculator for every question
Taxes, finance, health and everyday life — precisely calculated, up to date for 2026, and everything stays in your browser.
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Taxes
Income tax, wage tax, gross-to-net calculator, property tax, VAT, solidarity surcharge and more German tax calculators for 2026.
Finance
Loans, interest rates, compound interest, mortgage financing, amortisation plans, inflation and savings calculators for personal finance in Germany.
Most used
Popular Calculators
Gross-to-Net Calculator
Calculate your net salary from gross salary. With tax class, church tax, social insurance and all deductions for 2026. Free online, no registration required.
Open calculatorIncome Tax Calculator
Calculate your income tax for 2026 according to Section 32a EStG including solidarity surcharge and church tax.
Open calculatorVAT Calculator
Calculate value-added tax (VAT) quickly and easily. Net to gross and gross to net with 19% and 7% VAT rates. Free online, no registration required, with 2026.
Open calculatorWage Tax Calculator
Calculate your monthly or annual wage tax based on your tax class and allowances. Free online, no registration required, with 2026 tax rates and allowances.
Open calculatorVehicle Tax Calculator
Calculate the motor vehicle tax for your car. With engine displacement, CO2 emissions and first registration. Quick, accurate calculation with all 2026.
Open calculatorTax Class Calculator
Find the optimal tax class combination for married couples. Comparison of all variants with net result. Free online, no registration required, with 2026 tax.
Open calculatorConsumer Loan Calculator
Calculate monthly payments, total costs and amortization schedule for your loan. With interest rate, term and extra payments.
Open calculatorInterest & Compound Interest Calculator 2026 — Free Online
Calculate compound interest with the Rule of 72: capital doubles in 14 years at 5% p.a. Add monthly savings, get full amortization. Free, no registration.
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All calculations run locally in your browser. No data is sent to any server.
Official Sources
Based on official data from the German Federal Ministry of Finance (BMF) and other authorities.
Updated for 2026
Regularly updated with the latest tax rates, contribution limits and exemptions.
About Calk24.de
Calk24.de is your comprehensive calculator portal for Germany, with over 227 free online calculators across 15 categories — from taxes and finance to health, law and everyday life. Every calculation runs entirely in your browser, so your inputs are never sent to a server. Available in four languages: German, English, Turkish and Russian. All figures without guarantee.