GST / VAT Calculator

Add or extract GST/VAT at any rate, with quick presets and your choice of currency.

Why use this tool?

Add GST or VAT to a price, or extract it from a tax-inclusive total, at any rate with quick presets.

How to use it

1. Choose Add GST or Extract GST.
2. Enter the amount and rate.
3. Read the base amount, tax and total.