How do I calculate my Luxembourg income tax?

Enter your annual gross salary, marital status, and number of children in LuxTax Optimizer's free tax calculator. It uses official 2026 Luxembourg tax brackets and social security rates to give you an instant, accurate estimate.

Can frontier workers from France, Belgium or Germany use this calculator?

Yes. LuxTax Optimizer supports frontier workers (travailleurs frontaliers) from France, Belgium and Germany with specific tax residency handling.

Is LuxTax Optimizer free?

The basic tax calculator is completely free. Premium plans offer advanced features like AI optimization, scenario planning and deduction tracking.

What is LuxTax Optimizer?

Effortlessly manage your Luxembourg taxes. Get personalized suggestions to lower your tax burden based on your salary, marital status, and dependents.

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AI Financial Advisor
About — About on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Admin Panel — Admin Panel on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Calculator — Calculator on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Chat Bot — Chat Bot on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Deduction Tracker — Deduction Tracker on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Financial Dashboard — Financial Dashboard on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Financial Health Score — Financial Health Score on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Forgot Password — Forgot Password on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
History — History on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Home — Home on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
How It Works — How It Works on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Investment Optimization — Investment Optimization on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Learn — Learn on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Onboarding — Onboarding on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Portfolio — Portfolio on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Pricing — Pricing on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Privacy — Privacy on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Refund Policy — Refund Policy on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Scenario Planning — Scenario Planning on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Settings — Settings on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Support — Support on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.
Terms — Terms on LuxTax Optimizer. Effortlessly manage your Luxembourg taxes.