GST calculator

Add GST to a price or work out the GST included in a price, at the New Zealand rate of 15%.

GST amount
$0
Amount excluding GST
Amount including GST

At 15%, the GST in a GST-inclusive price is 3/23 of that price. Results are rounded to the nearest cent.

Important: This calculator gives general estimates only. It is not tax, financial, lending or legal advice, and using it does not create a client relationship with Yugraj Singh Mahil Chartered Accountants Limited. Rates, thresholds and rules reflect the 2026–27 tax year and were last reviewed on 18 October 2026. They can change at any time, and the results may not reflect your circumstances. Please confirm current rates with Inland Revenue, ACC or your lender, and get advice before making decisions. To the extent permitted by law, we accept no liability for any loss arising from use of or reliance on this calculator. Questions? Call 021 0234 6659 or email ysm@yugrajca.co.nz.

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