How to find GST in Australia

Australia Tax Calculator

GST Calculator Australia

Add or remove 10% GST and check whether your turnover requires GST registration.

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Calculation type
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Leave at 0 to skip registration check.
Business type
GST amount $0 10% GST on taxable supplies.
Amount ex-GST $0
GST (10%) $0
Amount inc-GST $0
GST registration required? N/A
Registration threshold $75,000
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Uses the standard 10% GST rate for taxable supplies. Registration thresholds: $75,000 for most businesses, $150,000 for non-profit organisations. Taxi and ride-sourcing drivers must register regardless of turnover.

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Calculate 10% GST on an amount or remove GST from a GST-inclusive price. Enter the amount and select the calculation type to estimate the GST component and the amount before or after GST.

Annual GST turnover

Check your GST registration requirement
Enter your annual GST turnover to check whether your business may need to register for GST. Leave the field at 0 if you only want to calculate the GST amount.

Business type

Select your business type
Choose the business type that applies to your situation to help provide a relevant GST registration estimate.

How your GST estimate is calculated
The calculator uses the entered amount and selected calculation type to work out the 10% GST amount or remove GST from a GST-inclusive amount. Where annual turnover is entered, the calculator can also indicate whether GST registration may be required.

Important: This calculator provides an estimate only. GST registration requirements and GST treatment can depend on your business activities, turnover and individual circumstances. Check the current Australian GST rules for your situation.