GST Calculator Australia: Add or Remove 10% GST

About this tool

Add 10% GST to a price or work out how much GST is inside a GST-inclusive price, using the standard Australian method.

FAQ

Is it free?

Yes. No signup, no limits, no watermark.

Is my data private?

Yes. Everything runs in your browser, so your files and text are never uploaded.

How do I find the GST in a price?

Divide the GST-inclusive price by 11. The result is the GST, and the rest is the price before GST.

How do I add GST?

Multiply the price by 0.1 for the GST, or by 1.1 for the total price.

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