Australia GST calculator (10 %)
Add GST to a price, or take it out of a total. Free, and nothing you type leaves your browser.
Standard Australia GST rate: 10 %. Amounts are rounded to 2 places. Nothing you type is stored or sent.
Australia GST formulas
Add GST
GST = price × 10 / 100
Total = price + GST
$10,000.00 → GST $1,000.00, total $11,000.00.
Remove GST
Price = total × 100 / (100 + 10)
GST = total - price
$11,000.00 incl. GST → price $10,000.00, GST $1,000.00.
10 % GST on common amounts
| Price | GST | Total |
|---|---|---|
| $100.00 | $10.00 | $110.00 |
| $500.00 | $50.00 | $550.00 |
| $1,000.00 | $100.00 | $1,100.00 |
| $5,000.00 | $500.00 | $5,500.00 |
| $10,000.00 | $1,000.00 | $11,000.00 |
| $50,000.00 | $5,000.00 | $55,000.00 |
Australia GST rates
| Rate | What it means |
|---|---|
| 10 % | GST rate on most goods and services. |
| GST-free | For example basic food, some health and education, and exports. No GST is charged and the seller can claim GST credits. |
| Input-taxed | For example residential rent and financial supplies. No GST is charged and GST credits are not claimed. |
Who must charge GST in Australia
- A business must register for GST when its GST turnover reaches $75,000 in any 12 months ($150,000 for non-profit organisations). Below that it can register voluntarily.
- A registered business gives a tax invoice for taxable sales of more than $82.50 including GST. The invoice shows the words "Tax invoice" and the seller's ABN.
- GST is reported on the Business Activity Statement (BAS) to the Australian Taxation Office (ATO).
Source: Australian Taxation Office (ATO) and the A New Tax System (Goods and Services Tax) Act 1999. Last checked 31 October 2026. General guidance, not tax advice: confirm with a local accountant or ATO.
Billing with GST?
This page only does the sum. To bill customers, Bizznify lets you set your own GST rate, keep prices with or without tax, and invoice in your own currency. It keeps your stock and what each customer owes in the same place. Need other countries? See the India GST calculator.
Questions, answered.
How do I add GST to a price in Australia?
GST = price x 10 / 100, and total = price + GST. Example: $10,000 at 10 % = $1,000 GST, total $11,000.
How do I remove GST from a total (a price that includes GST)?
Price without GST = total x 100 / (100 + 10). Example: $11,000 including 10 % GST = $10,000 + $1,000 GST.
What is the GST rate in Australia?
GST in Australia is 10 % on most goods and services. Some supplies are GST-free or input-taxed. Source: Australian Taxation Office (checked 31 October 2026).
Who must register for GST in Australia?
A business must register when its GST turnover reaches $75,000 in any 12 months ($150,000 for non-profit organisations). A tax invoice is needed for taxable sales of more than $82.50 including GST.
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