Tax / VAT / GST Calculator

Add tax to a net amount or remove included tax from a gross amount at any rate. Free to use online with no sign-up. Fast and mobile-friendly.

This international calculator does not assume a country. Enter the VAT, GST or sales-tax rate that applies to you.

Formula

Gross = net × (1 + rate). Net from gross = gross ÷ (1 + rate).

Example

100 plus 20% tax is 120; 120 including 20% tax contains 20 tax.

Frequently asked questions

Is the tax / vat / gst calculator free to use?: Yes. The tool is free to use and does not require an account.
Is my input stored?: For browser-based tools, your input stays on your device. The URL shortener is the exception because short links must be stored to redirect later.