Toby

GST and BAS · 2026-27

I sell goods for A$3,485 before GST. How much GST do I add to the invoice?

The answerCalculated
A$349 on the invoice

Add A$349 GST, making the invoice total A$3,834 including GST.

How it was computed

Sale value before GSTA$3,485
GST rate10%
GSTA$349
Invoice total including GSTA$3,834

Assumes the sale is a taxable supply and you are registered for GST. The page does not decide that.

Source

ATO: how GST works

Read on

How Toby covers GST and BAS · GST calculator · Questions about Toby

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