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Calculate NZ GST at 15%
$
Subtotal
$0.00
GST
$0.00
Use this GST calculator NZ to quickly add or remove 15% Goods and Services Tax (GST) from any amount. Whether you're preparing invoices, pricing jobs, or checking totals, this tool gives you accurate results in seconds. Built for New Zealand businesses, tradies, and contractors, it supports both GST-inclusive and GST-exclusive calculations, helping you switch between values without needing manual formulas.
GST (Goods and Services Tax) is a 15% tax applied to most goods and services in New Zealand. It is managed by the Inland Revenue Department and is typically included in pricing unless stated otherwise.
To add GST in New Zealand, multiply the original amount by 1.15. For example, $100 becomes $115 including GST.
To remove GST, divide the total amount by 1.15. For example, $115 including GST becomes $100 excluding GST.
Yes, the standard GST rate in New Zealand is 15%. There are very few exceptions, and most goods and services are subject to this rate.
No. Only businesses registered for GST must charge it. If a business earns over the GST threshold set by the Inland Revenue Department, registration is required.
You should use a GST calculator when: