New Zealand 15% GST Calculator

This New Zealand GST calculator works out the GST content of a GST Inclusive amount, the GST to add to an GST Exclusive amount and also works out the original prices based on the GST amount. Enter any known amount into the appropriate box and click the adjacent button to calculate the other 2 figures. For more info on working out GST figures please see How to correctly calculate GST

  1.   Add GST  
  2.   Get GST   
  3. Get Prices
  4. Clear

Like to make your GST super easy?

Kiwitax is an excellent choice for small business owners. Compared to the large accounting firms we're approachable, friendly, transparent and efficient. Most importantly we're effective at reducing your tax. We maintain a high level of quality control and our team regularly attend training courses to keep up to date with the latest tax changes.

Have any questions? We're always happy to help and talking with us is always free. Please ask us

How to Request a Quote

With fabulous customer service and attractive pricing we can look after your accounting and tax efficiently and cost effectively. Enjoy personal, friendly service as we recommend the right service to suit, provide a 100% guaranteed quote and all the information to get your accounting and tax returns prepared.

Have Questions?

We're always happy to help and talking with us is always free. Please ask us



Contact Us

Call In

  • 8.30am - 5pm Mon-Fri
  • 122 Taradale Road (Map)
  • Napier, Hawkes Bay
  • New Zealand

Mail To

  • Freepost Kiwitax
  • PO Box 3035
  • Napier 4142
  • New Zealand