NZ GST Calculator

Add GST to a net price or work out the GST inside a GST-inclusive total.

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How to use the NZ GST Calculator

Enter the amount.
Pick the GST rate.
Choose whether to add GST to a net price or remove it from a GST-inclusive price.

Formula used

Add GST: GST = Net × rate, Gross = Net × (1 + rate)

Remove GST: Net = Gross ÷ (1 + rate), GST = Gross − Net

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NZ GST Calculator — FAQs

How do I calculate GST from a GST-inclusive price in NZ?▾

Multiply by 3 and divide by 23. NZ$115 × 3/23 = NZ$15 GST.

How do I add GST in New Zealand?▾

Multiply by 1.15. NZ$100 plus GST is NZ$115.

When do I have to register for GST?▾

When turnover is over NZ$60,000 in 12 months, or is expected to be.

What is zero-rated in NZ?▾

Exported goods and services, and the sale of a business as a going concern, are zero-rated.

How to use the NZ GST Calculator

Formula used

NZ GST Calculator — FAQs

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