GST Calculator

Add or remove GST from an amount

Add or remove GST from an amount with your local GST rate.

Amount

GST %

Privacy: GST Calculator runs completely in your browser. Your input never leaves your device.

GST Calculator FAQ

Is GST Calculator free to use?

Yes, this tool is completely free. There are no fees, subscriptions, or limits — open the page and use it as much as you like.

Does GST Calculator upload my data?

No. GST Calculator runs entirely in your browser on your own device. Your text and numbers never leave your computer.

Does GST Calculator work on mobile?

Yes. The tool is fully responsive and works on Android, iPhone, tablets, laptops, and desktop computers.