About NZTaxTools
NZTaxTools provides free, accurate tax calculators for New Zealanders. Our tools cover PAYE income tax, ACC earner's levy, KiwiSaver contributions, student loan repayments, GST, and take-home pay.
What we offer
- Free calculators — no registration, no ads
- Accurate rates for the current and previous tax years
- Responsive design for desktop and mobile
- URL state persistence — share your results easily
Tax year
New Zealand's tax year runs from 1 April to 31 March. Our calculators support the 2024-25 and 2025-26 tax years.
Data sources
All tax rates and thresholds are sourced directly from Inland Revenue (IRD), ACC, and official government sources.
Disclaimer
NZTaxTools is for general information purposes only. Results are estimates and may not reflect your exact tax obligations. Always consult IRD or a registered tax adviser for advice specific to your situation.