Frequently Asked Questions

Piggy.lu is a free financial calculator platform built for Luxembourg residents. It offers tools tailored to Luxembourg's tax system and financial regulations — including salary, loan, savings, and mortgage calculators — to help you make informed financial decisions.

Yes! All our financial calculators are completely free to use. There’s no registration required.

No, you can use our calculators without signing up.

Our calculators use standard financial formulas and assumptions, but results may vary based on market conditions and personal financial decisions. Always consult a financial advisor for precise planning.

No, we do not store any of your financial inputs. All calculations are done in real-time, and your data is not saved.

Yes! We take privacy and security seriously. Our site is SSL-encrypted, and we do not collect or sell your personal financial information.

You can contact us via our You can contact us via our page. We appreciate your feedback!

Yes! We’re always looking to improve. Send us your suggestions, and we’ll consider adding them in future updates.