Free online calculators

Work out a percentage, a rule of three or VAT, convert a gross salary to net, estimate a loan or compound interest, and convert units or currencies. Every calculator explains its result so you can check it yourself.

Everyday calculations

Money, salary and loans

Frequently Asked Questions

Are the results reliable?

The calculations follow official or standard formulas. For an important decision, such as a loan, treat them as an estimate and compare with your bank.

Are the exchange rates up to date?

Yes. The currency converter uses the reference rates published every business day by the European Central Bank.

Do I need to create an account?

No. All the calculators are free and ready to use right away, on desktop or on your phone.