Tools & Calculators

Tools & Calculators

Handy ATO calculators and tools. Click any tool below  it opens on the ATO website in a new tab.

For Individuals

Income tax estimator  Estimate your tax for the year, including offsets and Medicare. For individuals.

Simple tax calculator  A quick estimate of tax on your taxable income. For a fast ballpark figure.

Home office expenses calculator  Work out deductions for working from home. For employees and sole traders.

For Business / Employers

Tax withheld (PAYG withholding) calculator  Work out how much to withhold from employee pays. For employers.

Super guarantee contributions calculator  Calculate the super guarantee owed on employee earnings. For employers. Note: super guarantee is moving to Payday Super from 1 July 2026  check the calculator applies to your relevant period.

Super guarantee charge (SGC) statement and calculator  Work out the SGC where super was paid late or short. For employers catching up.

Fuel tax credit calculator  Calculate fuel tax credits for business fuel use. Relevant to transport and scrap metal clients.

ATO calculators hub (all tools)  Browse every ATO calculator and tool.

These are ATO tools provided for general guidance only. Results are estimates, and ATO tools and rates change over time. For advice on your specific circumstances, please contact MAGA Accounting.