Skip to Content


Work it out
Whiriwhiria

Find a calculator or worksheet based on keyword or tool name:


Calculators and worksheet names starting with: D

Title and summary Number

Deemed rate of return method calculation worksheet

Information contained in this worksheet will help you calculate your taxable income or loss from your interest in a foreign investment fund, using the deemed rate of return method.

IR443A

Depreciation claim - calculate your tax deduction

This calculator is used to calculate depreciation on a business asset.

You will need to know the depreciation rate that applies to the asset – you can get this from our depreciation rate finder.

Depreciation rate finder

This calculator will find the depreciation rate(s) for all depreciable assets acquired after 1 April 1993.

Do you need to file an IR3 return or receive a personal tax summary for 2008?

Use this calculator to work out whether you're required to file an IR3 tax return or request a personal tax summary for the tax year 1 April 2007 to 31 March 2008.

Do you need to file an IR3 return or receive a personal tax summary for 2009?

Use this calculator to work out whether you're required to file an IR3 tax return or request a personal tax summary for the tax year 1 April 2008 to 31 March 2009.

Do you need to file an IR3 return or receive a personal tax summary for 2010?

Use this calculator to work out whether you're required to file an IR3 tax return or request a personal tax summary for the tax year 1 April 2009 to 31 March 2010.

Do you need to file an IR3 return or receive a personal tax summary for 2011?

Use this calculator to work out whether you're required to file an IR3 tax return or request a personal tax summary for the tax year 1 April 2010 to 31 March 2011.

Do you need to file an IR3 return or receive a personal tax summary for 2012?

Use this calculator to work out whether you're required to file an IR3 tax return or request a personal tax summary for the tax year 1 April 2011 to 31 March 2012.

Do you need to file an IR3 return or receive a personal tax summary for 2013?

Use this calculator to work out whether you're required to file an IR3 tax return or request a personal tax summary for the tax year 1 April 2012 to 31 March 2013.