New Zealand GST Calculator — Add or Remove 15% GST

Add GST to a net price or take it out of a gross price at New Zealand’s rates: 15% standard.

Free, with no sign-up and no watermark. The file is processed in your browser and never uploaded.

Add GST to a net price or take it out of a gross price at New Zealand’s rates: 15% standard. Amounts are shown in NZD, and each rate lists what it typically covers.

To find the GST in a GST-inclusive price, multiply by 3 and divide by 23.

Step by step

  1. Choose the rate: The 15% standard rate is selected, or type another rate.
  2. Enter the amount: Type the price in NZD.
  3. Add or take out: Pick whether the amount is before GST or already includes it.
  4. Copy the result: Copy the gross amount or the GST for your invoice or bookkeeping.

Good to know

  • GST on $100.00 net at 15% is $15.00, making $115.00.

  • A gross price of $100.00 contains $13.04 GST; divide by 1.15 to get the net $86.96.

  • Invoicing in euros? Add a payment QR code with the EPC QR Code Generator.

Questions

How do I remove GST from a price in New Zealand?

Divide the gross price by 1.15 (1 + 15%). The difference between the two is the GST.

Which GST rate applies?

15%: most goods and services, including food; 0%: exports, sale of a business as a going concern. The exact rate depends on the product or service, so check with the tax authority when unsure.

Is anything I type sent anywhere?

No. The calculation runs in your browser on your own device; nothing is uploaded or stored, and the page keeps working offline once it has loaded.

More VAT, Invoices & Payments tools

  • IBAN Validator — Check an IBAN's length, country format and mod-97 check digits, see the bank and account parts, and copy it in print or electronic format.
  • EPC QR Code Generator — Make an EPC QR code (GiroCode) that banking apps scan to fill in a SEPA transfer — IBAN, name, amount and reference — and stamp it onto your invoice PDF.
  • Swiss QR-Bill Generator — Create a Swiss QR-bill payment part with receipt (CHF or EUR, QR reference, SCOR or none) and add it to the bottom of your own invoice PDF.
  • QR Platba Generator — Generate a Czech QR platba (SPAYD) code with account, amount, variable symbol and message, ready for invoices — the format every Czech banking app reads.
  • E-Invoice Viewer — Open XRechnung, ZUGFeRD/Factur-X PDFs, Peppol UBL and Italian FatturaPA (.xml or .p7m) invoices as a readable document and save them as PDF.

All VAT, Invoices & Payments tools