accounting resources for individuals and businesses

Helpful Calculators and Tools

Please see below various links to helpful Calculators and Tools provided on the ATO (Australian Tax Office) website.

Demergers Calculator

This calculator helps shareholders work out the capital gains tax consequences under a demerger, including the Aviva, BHP Billiton, CSR, Sonic Healthcare, Mincor, Virtualplus, WMC and Mayne Health demergers.

Income Tax Calculator - Simple

This calculator will help you work out the tax you owe on your taxable income.

Income Tax Calculator - Comprehensive

This calculator will help you work out your tax refund or debt on a given taxable income for the 2005-06, 2006-07 and 2007-08 income years.

Foreign Income Conversion Calculator

This calculator will assist you to translate (convert) foreign income into Australian Dollars, using either a specific or an average rate of exchange for a range of countries.

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.

Family Tax Benefit Calculator

This calculator will help you determine if you are eligible to claim the family tax benefit and will also calculate the amount you are entitled to claim.

Help choosing 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 2005-06, 2006-07 and 2007-08 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.

Medicare Levy Calculator

This calculator will help you work out your Medicare levy, including any half or full exemptions, and reductions based on family income.

Net Medical Expenses Tax Offset Calculator

This calculator will help you work out the amount of medical expenses offset you can claim.

PAYG Withholding – Online Version of the Tax Withheld Calculator

This calculator can be used online to assist in determining the correct amount of tax to be withheld.

Credit for Interest on Early Payments Calculator

This calculator will help you work out your entitlement to a credit for interest on early payments of tax for the following income years: 2005-06, 2006-07 and 2007-08.

Gross Pay Estimator

This calculator will give you an estimate of your gross pay based on your net pay for a particular pay period (weekly, fortnightly or monthly). The gross pay estimator is for payments received in the 2005-06, 2006-07 and 2007-08 financial years.

Lump Sum Payment in arrears Tax Offset Calculator

Calculates the tax offset that relates to a payment received in one tax year, and therefore assessable in that year, but which includes income that accrued in previous years.

Senior Australians and Pensioners Tax Offset Calculator

This calculator will help you determine your eligibility, and calculate the amount of senior Australians tax offset and pensioner tax offset you can claim.

Undeducted Purchase Price Calculator

The Undeducted Purchase Price calculator will calculate the amount of the annual tax exclusion associated with the payment of a pension or annuity.

HELP Repayment Calculator

This calculator will help you work out the amount of compulsory Higher Education Loan Programme (HELP) repayment on assessment of your income tax return.

HELP Voluntary Repayment Calculator

This calculator gives you an estimate of the bonus you will receive when you make a voluntary repayment towards your HELP debt, and the amount that will remain after your voluntary repayment has been applied.

Self-Education Expense Calculator

This calculator will give you an estimate of the deduction you can claim for work related self-education expenses on your tax return.

SFSS Repayment Calculator

This calculator will help you work out the amount of compulsory SFSS repayment on assessment of your income tax return.

Eligible Termination Payment Calculator

The ETP calculator will assist employers and superannuation funds with calculations required to meet eligible termination payment (ETP) and reasonable benefit limits (RBL) reporting obligations.

Super Co-Contribution Calculator

The super co-contribution calculator is a tool to help individuals and the self-employed estimate their co-contribution entitlement and eligibility.

Home Office Expense Calculator

This calculator will help you work out the deduction you can claim where a home office is used for income producing purposes.

Work Related Car Expense Calculator

This calculator will help you work out all four methods of work related car expenses.

Work Related Uniform Expense Calculator

Calculates work related uniform, clothing, laundry and dry cleaning expenses deduction.

Beneficiary Tax Offset Calculator

This calculator will help you work out your beneficiary tax offset. The beneficiary tax offset is available to taxpayers who receive certain Centrelink benefits and Commonwealth education allowances.

Low Income Tax Offset Calculator

This calculator will help you work out whether you are eligible for the low income tax offset. It also calculates the amount of your offset if your taxable income is less than the low income tax offset threshold.

Zone or Overseas Forces Tax Offset Calculator

This calculator will help you work out your eligibility for the zone or overseas forces tax offset and calculates the tax offset that you can claim. It also contains links to the Australian zone list and the overseas forces specified localities listing.

Are you a Resident?

This tool will help you find out if you are an Australian resident for tax purposes, if you have recently arrived in Australia.

Australian Zone List

This tool can be used to find out whether an Australian place is located in a zone for the purposes of the zone tax offset.

Calculate Days

This calculator will work out the number of days in a period you specify - for example, to calculate the number of days during an income year that you do not have to pay the Medicare levy surcharge.

Determination of Residency Status – Leaving Australia

Use this tool to establish your status if you have been living in Australia, and have recently left Australia, or intend to leave Australia soon. Residency status for tax purposes determines your liability to pay Australian personal tax on your income.

Do you need to lodge a Tax Return?

A tool and instructions to help you work out if you need to lodge an income tax return.

Is your scholarship Taxable?

This calculator will help you work out whether or not your scholarship is taxable.

Self-Education Eligibility Tool

This tool will help you work out if you are eligible to claim a deduction for work related self-education expenses on your tax return.

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