New Zealand GST Calculator (15%)
Add GST to a net price or reverse-calculate GST out of a tax-inclusive gross total in NZD ($), then open your exact calculation as a ready-to-download invoice.
Calculation Summary (NZD)
New Zealand 15% GST Quick-Reference Table (Plus GST & Reverse GST)
Instant lookup for common New Zealand invoice amounts showing both Plus 15% GST (adding tax to net) and Reverse GST (extracting tax from a tax-inclusive total).
| Amount (NZD) | Plus 15% GST | Total Incl. GST (Gross) | Reverse GST (Net Excl. GST) | Extracted GST | 1-Click Invoice |
|---|---|---|---|---|---|
| $20.00 | +$3.00 | $23.00 | $17.39 | -$2.61 | Bill $23.00 |
| $50.00 | +$7.50 | $57.50 | $43.48 | -$6.52 | Bill $57.50 |
| $75.00 | +$11.25 | $86.25 | $65.22 | -$9.78 | Bill $86.25 |
| $100.00 | +$15.00 | $115.00 | $86.96 | -$13.04 | Bill $115.00 |
| $150.00 | +$22.50 | $172.50 | $130.43 | -$19.57 | Bill $172.50 |
| $185.00 | +$27.75 | $212.75 | $160.87 | -$24.13 | Bill $212.75 |
| $200.00 | +$30.00 | $230.00 | $173.91 | -$26.09 | Bill $230.00 |
| $250.00 | +$37.50 | $287.50 | $217.39 | -$32.61 | Bill $287.50 |
| $300.00 | +$45.00 | $345.00 | $260.87 | -$39.13 | Bill $345.00 |
| $400.00 | +$60.00 | $460.00 | $347.83 | -$52.17 | Bill $460.00 |
| $500.00 | +$75.00 | $575.00 | $434.78 | -$65.22 | Bill $575.00 |
| $750.00 | +$112.50 | $862.50 | $652.17 | -$97.83 | Bill $862.50 |
| $1,000.00 | +$150.00 | $1,150.00 | $869.57 | -$130.43 | Bill $1,150.00 |
| $2,500.00 | +$375.00 | $2,875.00 | $2,173.91 | -$326.09 | Bill $2,875.00 |
| $5,000.00 | +$750.00 | $5,750.00 | $4,347.83 | -$652.17 | Bill $5,750.00 |
New Zealand GST Rate Schedule & Rules
| Region / Rate Tier | Rate | Statutory Scope |
|---|---|---|
| Standard New Zealand GST | 15% | Applies across NZ goods, trade work & professional services |
| Reverse NZ GST (From Gross) | Gross × 3 ÷ 23 | Extracts 15% GST from a GST-inclusive NZD amount |
| Zero-Rated Supplies | 0% | Exported services and qualifying land transactions |
| IRD Registration Threshold | $60,000 NZD | Mandatory GST registration once 12-month turnover exceeds $60k |
How to Add or Reverse 15% GST in New Zealand
0.15 to get the GST amount, or multiply by 1.15 for the gross invoice total.
1.15 (or multiply Gross by 3 and divide by 23 for 15% GST/VAT) to extract the pre-tax net amount.
Frequently Asked Questions
Multiply the pre-tax net amount by 0.15 to calculate the GST amount, then add it to the net price (or multiply Net by 1.15). For example, $100.00 plus 15% GST is $115.00 NZD.
Divide the tax-inclusive gross total by 1.15 to find the net amount excluding GST, then subtract the net amount from the gross total to get the exact GST. For example, $100.00 inclusive of 15% GST contains $13.04 in GST and $86.96 net.
Yes. Click 'Create NZD Invoice with These Numbers' (or any row in the Quick-Reference table above) to open the free Quickest Vector PDF Studio pre-loaded with your exact net, 15% GST, gross total, and New Zealand statutory footer.