How do I add 10% GST to a price in Australia?
Multiply the ex-GST price by 1.1. For example, $100 ex-GST becomes $110 inc-GST. The GST component is $10.
GST Quick Calc
Add or strip Australia's 10% GST in one tap.
Frequently asked questions
How do I strip GST from a GST-inclusive price?
Divide the inc-GST price by 11 to get the GST component, or by 1.1 to get the ex-GST price. For example, $110 inc-GST contains $10 of GST and $100 ex-GST.