Numrova

Calculators that explain the numbers

Free, fast and private. Every result is worked out in your browser and comes with the formula and a clear explanation.

Finance

All finance calculators →

Loan Calculator
Enter the amount, interest rate and term to see your monthly payment, the total interest you will pay and how every payment splits between interest and principal.

Tax

All tax calculators →

VAT Calculator
Enter a price and choose whether to add or remove VAT: you get the net amount, the VAT and the gross total, with the working shown.