A pay rise, new job, second income or salary sacrifice arrangement can look simple on paper, but the amount that actually lands in your bank account depends on several moving parts. An Australian income tax calculator helps estimate your take-home pay for the 2024 to 2025 financial year by applying the resident tax brackets, Medicare levy and relevant tax offsets to your taxable income. It is not a replacement for your payslip, payroll system or tax return, but it can give you a practical estimate before you make a budget decision.

General Advice Warning

This article provides general information only and does not constitute personal financial advice. It has been prepared without taking into account your objectives, financial situation or needs. Before acting on any information in this article, you should consider whether it is appropriate for you and seek advice from a licensed financial adviser if necessary.

The formula in plain language

The core calculation starts with taxable income. In everyday terms, that is your assessable income minus allowable deductions. For an employee, assessable income usually includes salary, wages, bonuses and other taxable payments. Deductions may include eligible work-related expenses, charitable donations or other amounts you can lawfully claim. The ATO explains income, deductions, offsets and records as separate parts of the tax return process (ATO, 2026).

Once taxable income is estimated, the calculator applies the Australian resident income tax rates for 2024 to 2025. According to the ATO, Australian resident tax rates for that year include a tax-free threshold up to A$18,200, then marginal rates that increase as taxable income moves through higher bands (ATO, 2026). This matters because a higher salary is not taxed at one flat rate. Only the income inside each bracket is taxed at that bracket’s rate.

The calculator also allows for the Medicare levy, which is commonly 2% of taxable income for many Australian residents, although reductions and exemptions may apply depending on income, family circumstances and eligibility. It may also account for offsets, such as low income tax offsets, where relevant. These offsets reduce tax payable, but they generally do not create the same result as a deduction. A deduction reduces taxable income, while an offset directly reduces the tax bill.

For take-home pay, there is one more practical distinction: superannuation is not usually part of your cash pay. For 2024 to 2025, the Superannuation Guarantee rate was 11.5% of ordinary time earnings, paid by employers into super for eligible workers. From 1 July 2025 it rose to 12%, so verify the current rate before using super in forward-looking salary estimates. The ATO provides the current super rules for individuals and families (ATO, 2026).

Worked example: A$85,000 salary in 2024 to 2025

Assume an Australian resident employee earns A$85,000 in salary during the 2024 to 2025 financial year, has no reportable fringe benefits, no HELP repayment for this example, no private health insurance loading issue, and no deductions beyond what payroll has already handled. This is a simplified estimate, not personal tax advice.

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Under the 2024 to 2025 resident tax rates, the first A$18,200 is tax-free. The income from A$18,201 to A$45,000 is taxed at 16%. That band contains A$26,800, so the tax on that slice is A$4,288.

The income from A$45,001 to A$85,000 is taxed at 30%. That slice contains A$40,000, so the tax on that portion is A$12,000.

Before Medicare levy and offsets, estimated income tax is therefore A$16,288. A Medicare levy estimate at 2% of A$85,000 is A$1,700. That brings the rough total tax and Medicare levy to A$17,988.

Estimated annual take-home pay is A$85,000 minus A$17,988, which equals A$67,012. Divided by 12, that is about A$5,584 per month. Divided by 26, it is about A$2,577 per fortnight. Divided by 52, it is about A$1,289 per week.

This example excludes several items that can materially change the result. HELP or TSL repayments, salary sacrifice, reportable fringe benefits, tax offsets, investment income, rental income, capital gains and deductible expenses can all affect the final tax outcome. Payroll withholding can also differ from your final tax return because PAYG withholding is an estimate collected during the year, while your tax return reconciles the full picture after 30 June.

For a clean estimate, enter gross annual income first, then adjust for deductions, Medicare levy settings and any known offsets. Treat the result as a planning figure, not a final assessment. If your situation includes multiple jobs, business income, capital gains, negative gearing, foreign income or complex deductions, check the current ATO guidance or speak with a registered tax agent before relying on the number.