Overview
Employment termination payments
Employment termination payment calculator
Employers can use this calculator to determine the tax free and taxable components of an employment termination payment made on or after 1 July 2007.
Capital gains tax
This calculator helps shareholders work out the capital gains tax consequences of the AMP Ltd demerger of HHG PLC.
This calculator helps shareholders work out the capital gains tax consequences under a demerger, including the BHP Billiton, CSR,
Sonic Healthcare, Mincor, WMC and Mayne Group demergers.
Fringe benefits tax
Fringe benefits tax - car calculator
The fringe benefits tax (FBT) car calculator helps employers calculate the taxable value of a car fringe benefit using either the statutory formula method or the operating cost method.
Fuel tax credits
The fuel tax credit calculator is an easy to use tool that calculates your fuel tax credit entitlements to be claimed on your business activity statement (BAS).
Fuel tax credit eligibility tool
This decision tool is designed to assist you in determining whether the fuel you use in your business may be eligible for fuel tax credits.
GST
Interactive GST calculation worksheet for the BAS
This worksheet allows you to work out GST amounts for your BAS. Do not lodge the worksheet with your BAS. We recommend you file it with a copy of the BAS to which it relates. NAT 5107.
Income tax
This calculator estimates the baby bonus tax offset claimed through the ATO for a child who was aged under 5 on 1 July 2009 and was born on or after 1 July 2001 and before 1 July 2004.
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.
This calculator will help you work out your tax refund or debt on a given taxable income for the 2007-08, 2008-09 and 2009-10 income years.
This calculator provides reports of decline in value calculations. This includes disposal calculations, and comparisons between the prime cost and diminishing value methods of calculating deductions for decline in value.
Division 7A calculator and decision tool
Determine if a direct transaction by a private company to a shareholder or their associate will be deemed a dividend under Division 7A, and calculate the minimum yearly repayment required on a loan to avoid a deemed dividend arising under Division 7A.
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.
This calculator will help you work out the amount of compulsory Higher Education Loan Program (HELP) repayment on assessment of your income tax return.
Higher Education Loan Program (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.
Home office expenses calculator
This calculator will help you work out the deduction you can claim where a home office is used for income producing purposes.
This calculator will help you work out whether or not your scholarship is taxable.
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.
This calculator will help you work out your medicare levy, including any half or full exemptions, and reductions based on family income.
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.
This calculator will help you work out the amount of compulsory SFSS repayment on assessment of your income tax return.
This calculator will help you work out the tax you owe on your taxable income.
Work related car expenses calculator
This calculator will help you work out all four methods of work related car expenses.
Work related uniform expenses calculator
Calculates work related uniform, clothing, laundry and dry cleaning expenses deduction.
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.
PAYG withholding
The Tax withheld calculator (TWC) assists you to work out the tax you need to withhold from payments made to employees and other workers.
Prepayments
Prepayments proportional calculator instructions
Designed to calculate the proportion of prepaid expenses which can be claimed in the current income year where prepayments have to be apportioned over all income years to which the prepayment applies.
Superannuation
Employment termination payment calculator
Employers can use this calculator to determine the tax free and taxable components of an employment termination payment made on or after 1 July 2007.
Superannuation guarantee (SG) contribution calculator
Use this tool to calculate SG contributions for your eligible employees for a current quarter, including the period within 28 days after the end of that quarter.
Superannuation Guarantee (SG) eligibility decision tool
Use this decision tool if you have employees (including some contractors) to check their eligibility for SG contributions.
Superannuation guarantee charge statement and calculator tool
Use this tool if you are late in paying your employees' superannuation contributions to a superannuation fund. It will enable you to calculate your SGC liability and prepare the SGC statement to be lodged with the ATO.
Why Maddern Accountants?
- We're independently owned, so we're not under pressure to recommend any institution's products.
- We have the education and experience to recommend the best products for your needs from across the investment spectrum, backed up by independent filtered research.
- We emphasise direct share market investment, meaning you're not paying extra fees to invest in third-party managed funds.
- We charge on a fee for service basis, so what you pay for our advice is completely transparent.
- You'll have a one-on-one relationship with a personal investment advisor, who works closely with your accountant and administrator.

