Working out GST in New Zealand? This GST calculator for NZ applies the standard 15% rate — enter your amount below and get the net, tax and total in one click. New Zealand's GST is a flat 15% with almost no exemptions.
Results update live as you type. Amounts in NZD. Nothing leaves your browser.
Standard rate verified October 2026 · Source: VATupdate — Global VAT rates by country, July 2026
Getting the tax split wrong is how invoices turn into arguments: the net, the tax and the total must all be visible and correct. This calculator shows all three instantly, both ways — adding tax to a net price and extracting it from a gross total. When the numbers are right, drop them straight into the free invoice generator.
See all countries, try the tax calculator for any rate, or put the result on a free invoice. More country calculators: India · Pakistan.