About

Making tax calculations clearer, verifiable and useful.

GlobalFiscalLab builds calculators and guides that explain their assumptions, keep rules separate from their sources and state their limitations clearly.

Roadmap updated on 24 August 2026

How we work

1

Traceable sources

Regulatory parameters are linked to official sources and an identifiable tax year.

2

Tested calculations

The engine, annual parameters and editorial content stay separate so each change can be checked.

3

Explicit limitations

Results are documented estimates, not tax advice tailored to an individual situation.

What is available today

Luxembourg is the first covered market, with a French foundation designed to expand to more languages and jurisdictions.

  • Luxembourg 2026 gross-to-net salary calculator
  • Luxembourg 2026 net-to-gross salary calculator
  • Luxembourg 2026 employer-cost calculator
  • Luxembourg 2026 bonus and additional-pay calculator
  • Luxembourg 2026 company-car and benefit-in-kind calculator
  • Simple and advanced modes with monthly and annual results
  • Eight guides covering salaries, contributions, tax and payslips
  • Official sources, review dates and automated tests
  • French, German and English versions of the Luxembourg pages

Future updates

A public roadmap without artificial promises

Priorities may change when official rules evolve or user feedback identifies a more important need.

Available

Luxembourg 2026 gross-to-net salary

Continuous improvement of explanations, reference cases and checks around the existing calculator.

Available

Luxembourg 2026 net-to-gross salary

Reverse calculation of the gross required to reach a regular-month net or annual-average net target.

Available

Luxembourg 2026 employer cost

Annual and monthly employee budget with employer contributions, benefits and documented settings.

Available

Bonuses and additional salary payments

A dedicated experience for non-periodic remuneration with explicit assumptions and limitations.

Available

Company car and benefit in kind

2026 rates, take-home-pay impact and estimated employer budget for the main powertrains.

Available

English Luxembourg coverage

Calculators, country page and eight guides available in English with the same official sources.

Available

German Luxembourg coverage

Calculators, country page and eight guides available in German with the same official sources.

Exploring

More countries and tax years

Potential expansion to other jurisdictions when the required sources and tests can be maintained sustainably.

A feature is only marked as available after its sources, assumptions and tests have been reviewed.

General information, not a personal tax file

GlobalFiscalLab does not replace an authority or qualified professional. Contact forms are for questions, corrections and partnerships; do not include payslips, declarations, identification numbers or other sensitive data.

  • ✓ No account required
  • ✓ No salary data requested in the contact form
  • ✓ Messages answered by email