Tax tools
Australian GST Calculator
Add GST, remove GST, or find the GST amount — instantly. Supports custom rates, BAS quarter estimates, and a quick reference table.
Calculator
Enter amount (ex-GST)
$
GST rate
%
Calculates the GST-inclusive price by multiplying your amount by 1.10.
📋 BAS Quarter Helper
Quarterly revenue
$100.00
GST you owe the ATO
$9.09
Net revenue (kept)
$90.91
If your input amount is your GST-inclusive quarterly revenue, the GST component above is what you must remit on your BAS. Ensure you are registered for GST if annual turnover exceeds $75,000.
Note: Standard Australian GST rate is 10%. These calculations are estimates for general guidance only. Consult a registered tax agent or accountant for business tax obligations.
Ex-GST (net)
$100.00
GST amount
$10.00
GST inclusive
$110.00
Ex-GST amount
$100.00
GST component
$10.00
GST is 9.09% of the total
Quick Reference Table
| Amount | Ex-GST | GST | Inc. GST |
|---|
GST-Free Items in Australia
These goods and services are exempt from GST under Australian tax law.
🍇
Fresh Food
Fruit, veg, meat, bread, milk
💊
Medical
Medicines, health services, hospitals
🏫
Education
School fees, TAFE, university
😉
Childcare
Approved childcare services
📦
Exports
Goods and services exported
🏠
Residential Rent
Long-term residential leases
💰
Financial Services
Interest, insurance premiums
💏
Precious Metals
Gold, silver (investment grade)