About the GST Calculator
The GST Calculator is a free online tool that lets you add or remove GST/VAT from any amount. With it you can run accurate money calculations in seconds, there's nothing to install and no account to create. Just open the tool, do what you need, and you're done.
It's part of the Finance collection on OmniTools, a growing platform of 134+ free, privacy-first tools built for speed and a great experience on every device.
Also known as: tax, vat, gst.
Why use the GST Calculator?
- Instant, accurate results
- Clear breakdowns you can trust
- No sign-up required
- Works on any device
When to use it
- Planning a loan or budget
- Comparing financial options
- Double-checking a quote or bill
How to use the GST Calculator
- Open the GST Calculator. Open the GST Calculator on this page, there is nothing to install and no account needed.
- Add your input. Type or paste your input into the tool.
- Adjust options. Choose any options you need, the GST Calculator updates instantly.
- Get your result. Click the action button to download or copy your result. It is 100% free.