Australia Income Tax Calculator

Calculate Australian resident income tax using the 2025-26 ATO brackets, plus Medicare Levy, a simplified MLS estimate, HELP/HECS repayments, superannuation, and take-home pay.

About the Australia Income Tax Calculator

Australia uses a progressive income tax system with resident rates for 2025-26 ranging from 0% on the first $18,200 to 45% above $190,000. In addition to income tax, most Australians pay a 2% Medicare Levy, and the Medicare Levy Surcharge may apply if you do not have private hospital cover. This calculator uses a simplified MLS toggle, so treat that part as an estimate rather than a full ATO income-test model.

The Australian tax system includes several unique features. The tax-free threshold of $18,200 means low-income earners pay no income tax. HELP/HECS student loan repayments now use a marginal system from 1 July 2025, and repayment income can include items this calculator does not ask for. Employers are also required to contribute superannuation (retirement savings) at 12% of ordinary time earnings from 1 July 2025.

This calculator computes a planning estimate of your Australian tax position including the resident brackets, Medicare Levy, simplified surcharge handling, HELP/HECS repayments, and super contributions. It provides fortnightly and monthly net pay estimates commonly used in Australian payroll calculations.

Why Use This Australia Income Tax Calculator?

Australia's tax system with its tax-free threshold, Medicare Levy, HELP repayments, MLS tiers, and super contributions creates a complex calculation. This calculator combines those layers so you can estimate take-home pay, super contributions, and repayment obligations in one place while clearly marking the simplified parts.

How to Use This Calculator

  1. Enter your total annual gross income in Australian dollars
  2. Add any deductible expenses
  3. Set the superannuation guarantee rate (currently 12%)
  4. Indicate if you have an outstanding HELP/HECS debt
  5. Select whether Medicare Levy Surcharge applies (no private health cover)
  6. Review your tax breakdown, effective rate, and fortnightly take-home

Formula

Australian Tax Brackets (2025-26): - $0–$18,200: 0% - $18,201–$45,000: 16¢ per $1 over $18,200 - $45,001–$135,000: $4,288 + 30¢ per $1 over $45,000 - $135,001–$190,000: $31,288 + 37¢ per $1 over $135,000 - $190,001+: $51,638 + 45¢ per $1 over $190,000 Plus: Medicare Levy = 2% of taxable income HELP/HECS repayment (2025-26 approximation): - $0–$67,000: 0% - $67,001–$125,000: 15c per $1 over $67,000 - $125,001–$179,285: $8,700 + 17c per $1 over $125,000 - $179,286+: 10% of repayment income

Example Calculation

Result: $17,988 total tax

On $85,000: income tax $16,288 + Medicare Levy $1,700 = $17,988 total. Effective rate is 21.16%. Super contribution of $10,200 is not included in take-home but grows your retirement savings.

Tips & Best Practices

Tax Components

The calculator combines progressive income tax, the Medicare Levy, possible Medicare Levy Surcharge, HELP/HECS repayments, and superannuation settings so the output reflects the full payroll picture.

Planning Notes

Use the result to compare salary scenarios, then check whether deductions, surcharge rules, or HELP thresholds change the outcome.

Payroll Checks

Fortnightly and monthly views are useful when comparing payslips, but the annual figure is still the best place to verify the total tax position.

Sources & Methodology

Last updated:

Methodology

This page applies the Australian resident 2025-26 income-tax brackets to taxable income, then layers on the 2% Medicare levy, a simplified Medicare Levy Surcharge toggle, HELP/HECS repayment estimates, and compulsory super guarantee contributions at the current 12% rate. It is a planning estimator rather than a full ATO return engine.

The worksheet does not reproduce the full adjusted taxable income rules for HELP/HECS, exact MLS income tests, or every residency edge case, so the result should be treated as an estimate only.

Sources

Frequently Asked Questions

What is the tax-free threshold in Australia?

The first $18,200 of income is tax-free for Australian residents. This means if you earn under $18,200, you pay no income tax.

What is the Medicare Levy?

The Medicare Levy is 2% of your taxable income that funds Australia's public health system (Medicare). Low-income earners may get a reduction or exemption.

How does HELP/HECS repayment work?

From 1 July 2025, HELP and other study loan repayments use a marginal system with a $67,000 minimum repayment income. This calculator approximates that using taxable income only, so the output is close but not a full ATO repayment-income calculation.

What is superannuation and is it taxed?

Super is compulsory retirement savings contributed by your employer at 12% from 1 July 2025. Contributions are generally taxed at 15% within the super fund, lower than most marginal rates.

What is the Medicare Levy Surcharge?

The official MLS uses income-for-MLS-purpose thresholds and rates of 1%, 1.25%, and 1.5% for 2025-26. This calculator uses a flat yes/no estimate, so it is only a planning shortcut.

Are these rates for residents or non-residents?

These rates apply to Australian tax residents. Non-residents do not get the tax-free threshold and the 2025-26 foreign-resident rates start at 30% from the first dollar.

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