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GST Calculator

Use our GST calculator to instantly add or remove the 15% GST rate from any amount. Perfect for New Zealand businesses calculating GST-inclusive and exclusive prices for invoices and receipts.

GST exclusive price
GST inclusive price
Excluding GST
Including GST
GST amount

This GST calculator is intended for informational purposes only. The results provided are based on New Zealand's 15% GST rate and the number you enter.