NZ GST Calculator vs HX NZ Usage & Stats
Need to know how much GST you're paying on that latest purchase? Need to know how much GST to lump on top of that sweet invoice you're sending away? And you're in New Zealand? Great! That's what this app does, and it's all this app does.
Punch in a number, then hit "Add GST" to see what that number would look like with 15% added onto it. Or hit "Remove GST" to see what it would have looked like before the IRD stamped their mark on it.
Double-tap any of the small totals to copy them to your clipboard, or double-tap the input number to copy the whole lot. Magic.
Upgrade to NZ GST Pro to remove in-app upgrade reminders and unlock calculator functions for hours of tax calculation fun!
- Apple App Store
- Free
- Utilities
Store Rank
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HX New Zealand is an award-winning event that leverages industry knowledge, expertise and insights to drive your business to the next level.
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- Apple App Store
- Free
- Utilities
Store Rank
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NZ GST Calculator VS. 
HX NZFebruary 21, 2026