Income tax Dates
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OCT 28Provisional tax payments are due if you have a March balance date and use the ratio option.
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JAN 15Provisional tax payments are due if you have a March balance date and use the standard, estimation or ratio options.
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FEB 7End-of-year income tax and Working for Families bills are due, unless you have an extension of time to file your income tax return.
Use this calculator to work out your basic yearly tax for any year from 2011 to 2021.
It will not include any tax credits you may be entitled to, for example the independent earner tax credit (IETC).
It also will not include any tax you've already paid through your salary or wages, or any ACC earners' levy you may need to pay.
Gather your information
You'll need your total taxable income.
Enter your details
Follow the steps in the calculator. You can save your result as a PDF for your own records.
This calculator is for your personal use only. It does not send information to Inland Revenue or make changes to your records with us.
This calculator will work out income tax rates from 2011 to 2021
Go to this toolYou can also work out if you're entitled to a refund or if you have tax to pay for the 2017 and 2018 tax years with our Personal tax worksheets.
