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Australia tax calculators

Income tax, the Medicare levy, HECS/HELP student loan repayments, and GST at the flat 10% rate.

  • Rules forFinancial year 1 July 2026 to 30 June 2027
  • CurrencyAUD
  • Tax authorityAustralian Taxation Office (ATO)

Australia calculators

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    What you can calculate

    Official sources

    Full assumptions for Australia

    Estimates only. These calculators give general estimates based on simplified rules. They are not tax, legal or accounting advice and do not replace your tax authority or a qualified adviser. Read the full disclaimer before relying on a result.