Free VAT & Sales Tax Calculator

Invoice Luxe free VAT calculator lets you add tax to a net amount or remove tax from a gross total in one click. Use standard rates or enter a custom percentage. Ideal for freelancers, sole traders and small businesses who need quick, accurate tax math without signup.

How to use this free VAT calculator

1. Enter the amount (net or gross).
2. Choose a tax rate or type a custom rate (e.g. 20%, 10%, 5%).
3. Tap Add tax (net → gross) or Remove tax (gross → net).
4. See net, tax and total instantly. History stays on your device.

VAT calculation, sales tax & manual modes

Whether you need a VAT calculator, sales tax calculator, or simple percentage tax tool, this app supports live calculation and a classic keypad mode. Work offline after installing as a Progressive Web App. No account required.

Related free tools on Invoice Luxe: invoice generator, discount calculator, tax analytics report, income–expense tracker, unit converter and more.