Tax maths, made easy.

Free calculators for every Australian

Whether you're on a salary, paid by the hour, running a small business or working on an ABN, these calculators give you a clear answer in seconds using Australian Taxation Office rates for 2026–27 and every year back to 2012–13.

• Income tax calculator — tax, Medicare levy, offsets and HECS on your yearly income.
• Pay calculator — weekly, fortnightly and monthly take-home pay plus 12% super.
• GST calculator — add or remove GST and estimate your BAS.
• ABN tax calculator — how much of each payment to set aside as a sole trader.
• Chattel mortgage calculator — split vehicle and equipment loan repayments into principal and interest.

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