GST Calculator New Zealand 2026
Calculate 15% GST for your New Zealand business. Add or remove GST from any amount instantly with our free GST calculator.
$
GST Exclusive Amount:$1,000.00
GST Amount (15%):$150.00
GST Inclusive Amount:$1,150.00
Quick Examples
Formula Used:
$1,000.00 × 1.15 = $1,150.00
Understanding NZ GST
GST Registration
You must register for GST if your business turnover is over $60,000 in a 12-month period.
- ✓ Voluntary registration available under $60k
- ✓ Current GST rate: 15%
- ✓ File GST returns monthly, 2-monthly, or 6-monthly
GST Returns Help
Our tax accountants can handle your GST registrations, returns, and compliance.
GST Services Get Free QuoteHow to Use This GST Calculator
Add GST: Enter your GST exclusive amount to calculate the GST inclusive price (adds 15%).
Remove GST: Enter your GST inclusive amount to calculate the GST exclusive price and GST component.
Formula: GST Exclusive × 1.15 = GST Inclusive
Reverse: GST Inclusive ÷ 1.15 = GST Exclusive