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15% GST — Free tool

Free New Zealand GST Calculator

Calculate NZ GST at 15% — add GST to a net price or extract GST from an inclusive amount.

GST / Tax Rate

Enter a price above to see the calculation

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Rate: 15% Currency: NZD (NZ$)

How New Zealand GST works

New Zealand charges Goods and Services Tax at a flat 15% on most supplies. GST-registered businesses file returns with Inland Revenue. Add GST: Gross = Net × 1.15. Example: NZ$100 → NZ$15 GST → NZ$115. Remove: Net = Gross ÷ 1.15. GST from inclusive ≈ Gross × 3/23. Use this tool to calculate GST online, then create a professional NZD invoice with InvoBuzz.

Reverse charge & inclusive prices

NZ may require GST on certain imported remote services. Confirm with IRD whether reverse charge or offshore supplier rules apply.

Invoice requirements

A New Zealand tax invoice generally needs: supplier name and GST number, words 'tax invoice', date, description, and GST-inclusive or exclusive amounts as required.

Create a New Zealand invoice with GST

Pre-fill NZD and 15% GST in our free invoice generator.

New Zealand GST FAQ

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