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.

About LuxTax Optimizer

Your intelligent tax optimization companion

What We Do

LuxTax Optimizer is a comprehensive tax optimization application designed specifically for Luxembourg residents. We help users with tax calculation, deduction tracking, investment tax optimization, and long-term tax strategy planning. Our platform also provides an AI-powered chatbot for financial coaching and advanced tools for scenario planning and historical tax analysis.

Tax Calculator

Calculate your Luxembourg tax liability with precision using our granular tax calculator based on official LIR rates that accounts for income, deductions, and family status.

Deduction Tracking

Track all your deductible expenses throughout the year with receipt uploads and automatic categorization to maximize your tax savings.

Investment Optimization

Analyze your investment portfolio for tax efficiency and receive personalized strategies to minimize your investment-related tax burden.

AI Tax Coach

Get instant answers to your tax questions with our AI-powered financial coach that understands Luxembourg tax law and your personal situation.

Scenario Planning

Model different financial scenarios to understand their tax implications before making major decisions like salary changes or investments.

Long-Term Planning

Receive personalized long-term tax strategies and wealth optimization advice tailored to your financial goals and situation.

Our Mission

Our mission is to empower Luxembourg residents with the tools and knowledge they need to optimize their taxes legally and efficiently. We believe that everyone should have access to professional-grade tax optimization tools without the complexity or cost of traditional services.

Disclaimer: LuxTax Optimizer provides general tax information and estimates for educational purposes based on official government sources. While we strive for accuracy, tax laws are complex and subject to change. For specific tax advice tailored to your unique situation, please consult with a qualified tax professional or visit the Luxembourg Tax Administration (ACD).