GST calculator

Type in any amount and see the GST straight away. Works both ways — whether your figure already includes GST or not. GST in Australia is a flat 10%.

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Tip: quoting a job? Quotes to homeowners must show the GST-inclusive price.

Before GST$2,400.00
GST (10%)$240.00
Total inc. GST$2,640.00

What this means

On $2,400.00 excluding GST, you add $240.00 GST, so the invoice total is $2,640.00. That $240.00 isn't yours to keep — you're collecting it for the ATO, and it gets squared up when your BAS is lodged.

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