
Australian tax refund basics
Estimate your tax refund
Estimate an Australian tax refund for 2025–26 step by step, including PAYG withholding, deductions, Medicare levy, HELP and reasons the ATO result may differ.
2025–26 Australian tax guides
Practical explanations, worked examples and official ATO sources for the figures behind your refund or amount owing.
Estimate your refund free →
Australian tax refund basics
Estimate an Australian tax refund for 2025–26 step by step, including PAYG withholding, deductions, Medicare levy, HELP and reasons the ATO result may differ.

Payslip and withholding guide
Understand why PAYG tax withheld from Australian payslips can differ from your final tax bill and what commonly creates a refund or amount owing.

Deduction guide
A practical guide to Australian work-related deductions, the three basic ATO rules, private-use apportionment, records and realistic examples.

Study-loan repayment guide
Understand the 2025–26 marginal HELP repayment system, the $67,000 threshold, repayment income and how compulsory repayments affect an Australian tax refund.

Medicare and tax guide
Understand the 2025–26 Medicare levy threshold, low-income phase-in, exemptions and how the levy can change an Australian tax refund estimate.

Residency and rate guide
Choose an Australian tax-rate scenario carefully, understand part-year and working-holiday limits, and avoid treating a calculator result as a residency ruling.