Inland Revenue Department

The Inland Revenue website has countless resources such as guides, tools, calculators and technical tax areas that can help you figure it all out.

IRD Tools & Calculators

Check out what IRD have available.


Income Tax Calculator

Estimate how much income tax you will pay.


WFF Tax Credits Calculator

Estimate how much working for families you could be eligible for.


What Assets You Can Claim

Depreciation rate finder and calculator


Night of Care Calculator

Child support nights per year calculator.