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New Zealand 15% GST Calculator

These New Zealand GST calculators can work 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 to calculate the other 2 figures.

  • Add 15% GST to a GST Exclusive Price
  • Find the GST component of a GST Inclusive Price
  • Find GST Exclusive Price from full cost including GST
Cost Excluding GST

GST Amount

Cost Including GST