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Australia GST Calculator

Calculate Australian GST with a default 10% rate for adding or removing GST from prices.

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Result

Enter values above and click Calculate to see your result.

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Formula

Tax = Price x GST Rate / 100

The calculator supports ex-GST to incl-GST and incl-GST to ex-GST operations.

Worked Example

Ex-GST 100 at 10% gives GST 10 and total 110.

Frequently Asked Questions

Is this different from the existing GST calculator?

This is the country-specific Australia page with localized intent and the same correct GST math.

Can I remove GST from an inclusive invoice total?

Yes. Choose Remove mode to extract the ex-GST amount and GST component.

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All calculations run locally. Your tax data never leaves your browser.

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