GST on $60
Both answers, because "GST on $60" means two different things depending on whether that figure already includes GST.
How much GST is on $60?
- If $60 is before GST: GST is $9.00 and the total becomes $69.00.
- If $60 already includes GST: the GST portion is $7.83 and the price before GST is $52.17.
- Working: $60.00 × 1.15 = $69.00 · $60.00 ÷ 23 × 3 = $7.83
$60, worked both ways
| Treating $60 as… | GST | Ex GST | Inc GST |
|---|---|---|---|
| a price before GST | $9.00 | $60.00 | $69.00 |
| a total that includes GST | $7.83 | $52.17 | $60.00 |
| an Australian price at 10% | $6.00 | $60.00 | $66.00 |
The two NZ rows are the ones people mix up. Charging $9.00 of GST on an invoice whose total is meant to be $60 would leave you $1.17 short once Inland Revenue takes its cut — the GST inside $60 is only $7.83.
The two calculations
Adding GST to a GST-exclusive price.
Finding the GST already inside a total.
Stripping GST out to get the ex-GST price.
Taking 15% of a GST-inclusive figure is the common error — it overstates the GST every time. Full guide, with the registration rules and the $60,000 threshold →
Do the next bit too
The number is the easy part. These take it the rest of the way.
Make the invoice
Turn this figure into a compliant GST tax invoice with your logo and download the PDF. The amount carries across automatically.
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The rest of the toolkit
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