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🇦🇺
GST Calculator — Australia
ATO-Aligned · 10% GST · Add or Extract · AUD · Free
Free No Login 🇦🇺 AUD
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10%
Australia GST

🇦🇺 Australia's Single GST Rate

Australia has one flat GST rate of 10%, introduced on 1 July 2000. It applies to most goods and services. Use Add GST for ex-GST prices, or Extract GST to find the GST hidden in a GST-inclusive price (divide by 11).

Add GST mode: Enter a price before GST — we'll multiply by 1.1 and show the full GST breakdown.
Enter Price (Ex-GST)
A$
Ex-GST Price
A$0.00
Before GST
GST Amount
A$0.00
@ 10%
Inc-GST Price
A$0.00
Including GST
Full GST Breakdown
Ex-GST (Base) PriceA$0.00
GST (10%)A$0.00
Inc-GST TotalA$0.00
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About Australian GST

GST Calculator Australia — 10% ATO-Aligned

Australia's Goods and Services Tax (GST) is a broad-based tax of 10% on most goods, services and other items sold or consumed in Australia. It was introduced on 1 July 2000, replacing the old wholesale sales tax. Unlike many countries, Australia has just one GST rate — 10% — making calculations simple. The ATO's official formula to extract GST from an inclusive price is to divide by 11.

Supply TypeRateExamples
Taxable Supplies10%Most goods, services, software, rent, accommodation, commercial property
GST-Free0%Basic food, health services, childcare, education, exports, water, sewerage
Input TaxedN/AFinancial supplies, residential rent, residential property sales

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FAQ

Australian GST Frequently Asked Questions

How do I add 10% GST in Australia?
Multiply the ex-GST price by 1.10. Example: A$200 × 1.10 = A$220. The GST is A$20. Use our Add GST tab above for instant calculation.
How do I extract GST from a GST-inclusive price?
Divide the GST-inclusive price by 11. That's the ATO-approved shortcut. Example: A$330 ÷ 11 = A$30 GST. The ex-GST price is A$300.
When do I need to register for GST in Australia?
You must register for GST if your annual GST turnover is A$75,000 or more. For non-profits, the threshold is A$150,000. Taxi and ride-share operators must register regardless of turnover.
Are groceries subject to GST in Australia?
Most basic food and groceries are GST-free. However, hot food, soft drinks, confectionery, biscuits, and some snack foods are taxable at 10%.
What is a BAS (Business Activity Statement)?
A BAS is a form lodged with the ATO to report and pay GST, PAYG withholding, and other tax obligations. Most businesses lodge quarterly; some lodge monthly.
Is this calculator aligned with the ATO?
Yes. We use the ATO's approved 1/11th rule to extract GST and the × 1.1 formula to add GST. For complex tax matters, consult a registered tax agent or BAS agent.