New Zealand calculators

New Zealand tax and finance tools. Every rate traces to an official source, Inland Revenue or ACC, with the date it was checked shown on each page.

• PAYE Income Tax Calculator Income tax and ACC earner levy for 2026/27.
• Income Tax Brackets The 2026/27 brackets and the marginal rate on any income.
• GST Calculator Add 15% GST to a price or find the GST in a total.
• Reverse GST Calculator Extract the 15% GST from a GST-inclusive total.