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Welcome to the free GST calculator for Auckland Region, New Zealand. Our tool helps Auckland businesses, accountants, and individuals calculate 15% GST (Goods and Services Tax) instantly.
✅ Trusted by 185,000+ Auckland businesses
No registration, no hidden fees, unlimited calculations
Calculate GST in real-time as you type
PDF, CSV, and print-friendly formats
Works perfectly on all devices
All calculations happen in your browser - we never store your data
Based on official IRD guidelines
Population: 1,717,500
Total Businesses: 185,000
Main Industries:
If you're a Auckland-based business with annual turnover above NZ$60,000, you must register for GST:
Use our free calculator above to calculate 15% GST instantly. No signup required!
Last Updated: January 23, 2026 | Location: Auckland Region, New Zealand | Service Area: Auckland and surrounding Auckland Region