Add or remove GST at New Zealand's standard rate of 15%. Pre-set to NZD — switch modes to work forwards from a net price or backwards from a GST-inclusive total.
NZ$300.00 × 1.15 = NZ$345.00
Adding 15% GST to a raincoat priced at NZ$300.00 (net) gives NZ$345.00 gross — that's NZ$45.00 of GST.
NZ$75.00 ÷ 1.15 = NZ$65.22
Removing 15% GST from a dinner for two marked NZ$75.00 (gross) leaves NZ$65.22 net — the GST portion is NZ$9.78.
| Rate | Applies to |
|---|---|
| 15% standard | Most goods and services |
| 0% | Zero-rated exports & some financial services; NZ applies a broad single rate |
Businesses in New Zealand generally must register for GST once taxable turnover reaches NZ$60,000 turnover. GST registration and returns are administered by Inland Revenue (IRD).
The standard GST rate in New Zealand is 15%. New Zealand applies broadly a single standard rate, with only limited zero-rated or exempt items. (Rates as of 2026-07-13.)
Divide the GST-inclusive price by 1.15 (that is, 1 + 15%). Removing 15% GST from a dinner for two marked NZ$75.00 (gross) leaves NZ$65.22 net — the GST portion is NZ$9.78.
Multiply the net price by 1.15. Adding 15% GST to a raincoat priced at NZ$300.00 (net) gives NZ$345.00 gross — that's NZ$45.00 of GST.
You must register for GST in New Zealand once your taxable turnover reaches NZ$60,000 turnover. Registration is handled by Inland Revenue (IRD).
Rates and thresholds shown as of 2026-07-13. Tax rules change — confirm current figures with Inland Revenue (IRD) before relying on them.