Tax Calculators

Free Australian tax calculators. All calculations run in your browser.

• Capital Gains Tax Calculator (Basic, AU)

  Estimate capital gains tax on Australian investments. Calculate CGT on shares, property, and assets with the 50% discount method for assets held over 12 months.

• GST Calculator (AU)

  Add or remove GST from any amount in seconds. Calculate the GST component, ex-GST price, and inc-GST price at the current 10% rate. Free Australian GST calculat

• HECS/HELP Repayment Calculator (2025-26, AU)

  Calculate your 2025-26 HECS-HELP student loan repayment based on your income. See exact repayment amounts at each income threshold. Free HECS calculator.

• PAYG Withholding Calculator (Basic, AU)

  Calculate PAYG withholding tax for Australian employees. Estimate the tax withheld from wages based on 2025-26 tax tables. Free ATO PAYG calculator.