How do I calculate GST on a price?

To add 10% GST to a price, multiply by 1.1. For example, $100 + GST = $100 × 1.1 = $110. The GST component is $10. To find the GST amount separately, multiply the price by 0.1.

How do I remove GST from a GST-inclusive price?

To remove GST from an inclusive price, divide by 1.1. For example, $110 including GST ÷ 1.1 = $100 excluding GST. The GST component is $110 - $100 = $10, or simply divide the inclusive price by 11.

What is the GST rate in Australia?

The Australian GST rate is 10% and has been since its introduction on 1 July 2000. This rate applies to most goods and services, though some items like fresh food, healthcare, and education are GST-free.

Do I need to register for GST?

You must register for GST if your business has a GST turnover of $75,000 or more ($150,000 for non-profits). Registration is optional below these thresholds. Once registered, you must charge GST and lodge Business Activity Statements (BAS).

What items are GST-free in Australia?

GST-free items include: most basic food (fresh fruit, vegetables, meat, bread, milk), healthcare services, some education courses, childcare, exports, and some charitable activities. These should not have GST added to their prices.

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GST Calculator (Australia)

Free Australian GST calculator. Add or remove 10% GST instantly. Calculate GST-inclusive and GST-exclusive prices for invoices, quotes, and tax returns.