GST Calculator
Add or remove GST and see the tax amount instantly.
Enter the amount and calculate.
How to use GST Calculator
Enter an amount, select the GST rate, then choose whether GST should be added to a base amount or extracted from a GST-inclusive total.
Privacy
This tool runs in your browser. ToolHyv does not need to receive the values you enter to perform this calculation.
Frequently asked questions
Can this remove GST from an inclusive price?
Yes. Choose the remove GST option.
Does this determine tax compliance?
No. It only performs arithmetic and is not tax advice.