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Rates, calculators & tools
This page contains information and tools to assist individuals in managing their tax affairs.
Calculators
Families
Baby bonus calculator
This calculator estimates the Baby Bonus Tax Offset claimed through the Tax Office for a child who was aged under 5 this year and was born on or after 1 July 2001 and before 1 July 2004.
Education Tax Refund calculator
A calculator to help you determine how much Education Tax Refund you are entitled to.
Helping you choose your baby bonus base year
This calculator will help you work out your best choice for the baby bonus base year. The base year sets the maximum baby bonus amount for every claim year and it also determines when you can start to receive the baby bonus.
Parent, spouse's parent or invalid relative tax offset calculator
This calculator works out the amount of tax offset that you can claim for a dependent parent, spouse's parent or invalid relation for the 2006-07, 2007-08 and 2008-09 financial years.
Separate net income calculator
This calculator will help you work out the separate net income (SNI) of your dependant. Separate net income is defined as income and other specified amounts earned or received by your dependant, less expenses that are direct costs against that income.
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