New Zealand GST Calculator

Add or remove GST at New Zealand’s 15% standard rate — net, GST and gross, instantly. Free, no signup.

GST rate
Net
$1,000.00
GST @ 15%
$150.00
Gross
$1,150.00

GST in New Zealand: the essentials

  • Standard rate: 15%
  • Registration: NZ$60,000 in any 12 months
  • Return: GST return, filed every two months (or six-monthly) with Inland Revenue (IRD)
  • Corporate tax: 28%

How to calculate GST in New Zealand

  1. Enter the amount. Type the amount — your net figure to add GST, or a tax-inclusive figure to remove it.
  2. Choose add or remove GST. Switch between adding GST to a net price and backing it out of a gross price.
  3. Pick the rate. Select the GST rate (default 15%).
  4. Read the result. See the net, GST amount and gross total update instantly.

Stop calculating GST by hand

KARR applies New Zealand’s GST automatically on every invoice, tracks the registration threshold, and prepares the return — flagging non-compliance before you file.

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Frequently asked questions

What is the GST rate in New Zealand?

The standard GST rate in New Zealand is 15%.

How do I calculate GST in New Zealand?

To add GST, multiply the net amount by the rate. At 15%, a 1000 net becomes 1150.00 gross. To remove GST from a tax-inclusive price, divide it by 1.150. This calculator does both instantly.

When must I register for GST in New Zealand?

Registration: NZ$60,000 in any 12 months, filed with Inland Revenue (IRD).

Is this New Zealand GST calculator free?

Yes — it is completely free, needs no signup, and runs entirely in your browser. For automatic GST on every invoice and one-click returns, try KARR.

Read the full New Zealand GST & tax guides →

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Rates shown reflect New Zealand’s published GST rates and are provided for guidance only — confirm the rate for your specific supply. Not tax advice.