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VAT calculator › New Zealand

GST calculator for New Zealand

Add or remove GST at 15% or any other New Zealand rate.

%
$

Without GST

$100.00

GST at 15%

$15.00

With GST

$115.00

$100.00 × 15% = $15.00 GST. $100.00 × 1.15 = $115.00.

GST rates in New Zealand

Rate$100.00 net becomesGST inside $100.00 gross
15% (standard)$115.00$13.04
0%$100.00$0.00

Worked examples at 15%

  • Adding GST: $250.00 × 1.15 = $287.50 ($37.50 GST).
  • Removing GST: $250.00 ÷ 1.15 = $217.39 ($32.61 GST).

Invoicing with GST

If you're registered for GST, your invoices need to show the amount without tax, the rate and the GST separately. Our free invoice generator works it out and lays it out for you. See also what an invoice must include in New Zealand.

Questions people ask

›What is the GST rate in New Zealand?

The standard rate is 15%. Reduced rates of 0% apply to some goods and services. Rates checked October 2026.

›How do I add 15% GST?

Multiply the net price by 1.15. For example, $100.00 becomes $115.00, of which $15.00 is GST.

›How do I remove 15% GST from a price?

Divide the gross price by 1.15. For example, $100.00 including GST is $86.96 without it, so the GST is $13.04.