TaxmiserSave more tax, legally
🇳🇿 Official Inland Revenue rules, 2025/26

How much New Zealand tax are you overpaying?

Everything here is New Zealand only: your rates, your forms, your deadlines. Answer a few plain questions and see the legal savings you are missing.

New Zealand tax planning, with official forms and a calculator

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See what you could keep in New Zealand this year

One plan, the reliefs Inland Revenue allows, the right form and the date it is due.

Find my savings Just show me the numbers

Your tax year, New Zealand

Example

NZ$900kept this year

Tax you would payNZ$15,200
After your Taxmiser planNZ$14,300
  • Named reliefDonation tax credit
  • The formIR3 return
  • Due by7 July

An illustrative example for a New Zealand earner on NZ$75,000. Your own plan uses your country and your ranges.

Your New Zealand tools

Build my New Zealand planA few plain questions, one written savings planNew Zealand tax calculator2025/26 rates, no sign upWhat can I claimNamed Inland Revenue reliefs, forms and deadlinesDeadlines and penaltiesFiling, paying, penalties and appealsDecode my paperworkPayslips, notices and forms explainedCompanies and trustsWhat saves tax and what costs more

Income tax

Tax year 1 April 2025 to 31 March 2026 (2025/26).

10.5%
up to $15,600
17.5%
$15,601 to $53,500
30%
$53,501 to $78,100
33%
$78,101 to $180,000
39%
above $180,000
Tax free band
None
Every New Zealand rate, deduction and form

Dates that cost money if you miss them

1 April to 31 March the following year

See every New Zealand deadline

New Zealand forms, box by box

New Zealand return wizardIR3, IR3B and IR3R with your figuresNew Zealand self-employed returnIR3B box by box for sole tradersNew Zealand deadlines and formsIR3, provisional tax, KiwiSaver cut-offNew Zealand credits and deductionsWhat Inland Revenue lets you claimCompanies, LTCs and trustsWhen a company at 28% actually saves tax

Where these figures come from

Figures as published by Inland Revenue for 2025/26. Working for Families, student loans and the exact KiwiSaver position are not modelled.

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