New Zealand Income Tax Calculator
The NZ Income Tax Calculator computes your take-home pay using Inland Revenue (IRD) tax brackets from 1 April 2025, the current ACC earners levy, and optional KiwiSaver employee contributions.
Educational estimate. Calculator results are for planning and information only, not financial, tax, medical, legal, or engineering advice. Verify important decisions with official sources or a qualified professional.
New Zealand Income Tax Calculator
PAYE Take-Home Pay — Current IRD Rates
📐 Formula & Method
NZ Tax Brackets from 1 April 2025
Current IRD individual income tax brackets.
ACC Earners Levy from 1 April 2026
ACC funds treatment and support for personal injuries. It is mandatory for most employee earnings.
📋 How to Use
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1
Enter your annual gross salary.
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2
Select your KiwiSaver contribution rate (or opt out).
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3
Select student loan status.
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4
See income tax, ACC levy, KiwiSaver deduction, and take-home pay.
New Zealand PAYE — How Tax is Deducted
New Zealand's PAYE (Pay As You Earn) system deducts income tax, ACC earners' levy, KiwiSaver contributions, and student loan repayments directly from your salary each payday. You receive a take-home amount after all these deductions.
NZ's top marginal rate of 39% applies to income above $180,000. The ACC earners levy is collected through PAYE on most employment earnings up to the prescribed annual maximum.
🔬 Methodology & Accuracy
Formula: Applies IRD individual income tax brackets from 1 April 2025, ACC earners levy from 1 April 2026, optional KiwiSaver employee deductions, and resident student loan repayment at 12% above the threshold.
Data sources: IRD tax rates for individuals: https://www.ird.govt.nz/en/income-tax/income-tax-for-individuals/tax-codes-and-tax-rates-for-individuals/tax-rates-for-individuals; IRD ACC earners levy rates: https://www.ird.govt.nz/en/income-tax/income-tax-for-individuals/acc-clients-and-carers/acc-earners-levy-rates
Last reviewed: June 2026 · Accuracy: Results are precise to two decimal places using IEEE-754 double-precision arithmetic. Intended for educational and planning use only.
For informational purposes only. Results are estimates based on the inputs and formulas provided. For financial, tax, medical, or legal decisions, consult a qualified professional. Rates and regulations change — always verify current figures with official sources.