Tax Calculator
Estimate Australian income tax for 2026–27 using current resident brackets and the Medicare levy phase-in for a single taxpayer with no dependants.
Effective tax rate
20.8%
Income tax plus Medicare levy
Marginal income-tax rate
30%
Applied only to your highest bracket
Tax bracket breakdown
| Bracket | Rate | Income here | Tax |
|---|---|---|---|
| $0–$18,200 | 0% | $18,200 | $0 |
| $18,201–$45,000 | 15% | $26,800 | $4,020 |
| $45,001–$135,000 | 30% | $40,000 | $12,000 |
Uses 2026–27 Australian resident tax brackets and the Medicare levy estimate for a single taxpayer with no dependants. Excludes offsets, HELP/HECS, family and SAPTO thresholds, exemptions and the Medicare levy surcharge.
How this calculator works
This calculator applies the 2026–27 Australian resident income tax brackets to your taxable income, then estimates the Medicare levy for a single taxpayer with no dependants. Enter your annual taxable income to see estimated tax payable and take-home income.
Rates sourced from the Australian Taxation Office for the 2026–27 financial year. Last reviewed 14/08/2026.
What this 2026–27 Australian tax estimate includes
The calculator is built around the Australian resident individual income-tax brackets for 2026–27. It estimates income tax from the taxable income you enter and includes the Medicare levy estimate for a single taxpayer with no dependants.
The result is an estimate of annual tax, not a tax return calculation. Deductions, offsets, private health circumstances, family or SAPTO Medicare thresholds, exemptions and other personal factors can change the amount you finally owe or receive back.
- Annual income-tax estimate using the current resident brackets
- Estimated take-home income after tax
- Effective tax rate so you can see tax as a share of income
Why your PAYG withholding can be different
Employers withhold PAYG during the year using ATO withholding schedules and payroll rounding. Your final income-tax position is worked out when you lodge your return, so the amount withheld from payslips can be higher or lower than this annual estimate.
Related Australian guides
Official sources and assumptions
Check the underlying Australian Government guidance used to review this calculator's rates and assumptions.
Frequently asked questions
Which tax year does this use?
The 2026–27 Australian financial year resident rates, stored in a single central configuration file that is reviewed each year.
Does it include the Medicare levy?
It models the single-person low-income phase-in and the full 2% rate. Family and SAPTO thresholds, exemptions and the Medicare levy surcharge are not modelled.
Are tax offsets included?
This calculator shows tax before offsets. Use the Take-Home Pay Calculator if you want the low income tax offset applied.
Results are estimates only and are not financial, tax, legal or credit advice.
Rates and thresholds are configured for the 2026–27 Australian financial year and should be reviewed when government settings change.