GST Calculator
Calculate GST inclusive and exclusive amounts.
Quickly calculate GST amounts, both added to or removed from a base price.
Base amount
1,000.00
GST amount
180.00
Total
1,180.00
How to use this tool
- 1
Choose add or remove
Depending on whether your amount includes GST already.
- 2
Enter amount and rate
The breakdown updates automatically.
Frequently asked questions
Related tools
This tool runs entirely in your browser. Your data is never uploaded or sent to our servers.