Australian Tax Calculator (2025–26) – Estimate Your Income Tax
Use the Calculator Below
How to Use This Tax Calculator
Using the calculator is straightforward.
Enter your estimated taxable income for the year, not just any number from your payslip or your total business sales. Then review the estimated tax result and use it as a guide only. If you also have deductions, multiple income streams, HELP or HECS, salary packaging, or other moving parts, treat the result as a rough estimate rather than a final figure.
For employees, this is usually enough to get a ballpark idea. For sole traders and small business owners, it is more important to use the right number from the start.
2025–26 Australian Resident Tax Rates
The current resident income tax rates for 2025–26 are:
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$0 to $18,200: nil
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$18,201 to $45,000: 16 cents for each $1 over $18,200
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$45,001 to $135,000: $4,288 plus 30 cents for each $1 over $45,000
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$135,001 to $190,000: $31,288 plus 37 cents for each $1 over $135,000
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$190,001 and over: $51,638 plus 45 cents for each $1 over $190,000
These are the resident tax rates published by the ATO. They do not automatically include the Medicare levy, which is generally charged separately.
What This Calculator Includes
This calculator is best for a quick estimate based on straightforward taxable income. It works well if you want a simple idea of how much tax you may pay on salary or wages, or if you want to compare different income levels and see how your tax position changes.
It is also useful if you are asking practical questions like, “What happens if I earn more this year?” or “Roughly how much should I set aside for tax?”
If you are not sure what taxable income means, the short version is this: it is generally your income after allowable deductions, not just your total income.
What This Calculator Does Not Include
To keep the result quick and simple, this calculator does not fully account for every tax factor. Depending on your situation, the real number can change because of Medicare levy, HELP or HECS repayments, offsets, deductions, salary packaging, rental income, capital gains, foreign income, or other adjustments.
That is why some people use an online calculator, then still end up with a different result when their return is prepared properly.
If you want a more accurate figure, it helps to look at your full tax position rather than relying on one estimate.
If you are lodging this year and want help checking the final number, our team can help with individual returns. If you are running a business and are not sure what counts as taxable profit, it is better to sort that out before using any calculator. Your current page already links to both of those service pages, which is good and worth keeping.
Why Your Tax Does Not Jump on All of Your Income
One of the most common tax misunderstandings is the idea that once you move into a higher bracket, all of your income gets taxed at that higher rate.
That is not how it works.
Australia uses a marginal tax system, which means only the part of your income above each threshold is taxed at the higher rate. The rest is taxed at the lower rates that came before it. Your current page explains this idea, but it can sound more natural and clearer than it does now.
Use Taxable Income, Not Total Sales
This part matters most for sole traders.
If you run a business, do not enter your total sales or turnover into the calculator. What matters is your taxable profit, which is usually your income after eligible business expenses.
That is where many people get the wrong result. They use revenue instead of profit, then wonder why the estimate looks too high.
If you are unsure which figure to use, it is better to get advice first than base decisions on the wrong number.
Common Reasons Your Tax Estimate Changes
Even if the calculator itself is working properly, your final tax result can still end up looking different.
Deductions and work-related expenses
Things like uniforms, tools, home office costs, self-education, and some work travel may reduce taxable income if they are genuinely claimable and properly recorded. The big issue is not just whether you spent the money, but whether the expense is actually deductible under ATO rules. Your current page already links to ATO deductions guidance, and that should stay.
Medicare levy
The Medicare levy is usually added on top of normal income tax. In many cases it is 2% of taxable income, but there are thresholds, reductions, and exemptions in some situations. That alone can make your actual result different from a simple calculator result.
HELP or HECS repayments
If you have a study or training loan, repayments can affect how much comes out of your income once you earn above the relevant thresholds.
More than one income stream
If you changed jobs, worked two jobs, had business income on the side, earned dividends, or received rental income, your final tax can shift from the basic estimate.
Salary packaging and offsets
These can also change the gap between an online estimate and the number you see in real life.
Tax Calculator for Sole Traders and Small Business Owners
If you run a business, your tax position usually involves more than just one estimate on one page.
You may also need to think about GST, BAS lodgements, PAYG instalments, company tax, payroll obligations, and super if you have staff. So while a calculator can still be useful for a rough guide, it should not replace proper tax advice when the structure of your business matters.
If you want help understanding the numbers properly, start with our small business accounting service. If you want support with planning, cash flow, or structure decisions, our business advisory service is the better fit. Those are both live pages already linked from your tax calculator page
When It Makes Sense to Speak With an Accountant
A calculator is fine for a quick estimate. But it is worth getting advice if you have more than one income stream, changed jobs during the year, own shares or investment property, run a business, or want to claim deductions without getting it wrong.
It is also worth speaking to someone if you got a bigger ATO bill than expected last year and do not want that surprise again.
If that sounds like you, contact Adenix and get the numbers checked properly before you rely on the estimate.
Related Guides
If you want to understand the numbers better, not just get an estimate, these related guides are worth reading.
Our guide on how this tax calculator works explains what taxable income means, what the calculator includes, and why your final tax can still be different.
If you are trying to reduce tax legally, our deductions article covers common small business deductions, what you cannot claim, and what records you should keep.
And if you are still unsure whether working with an accountant is worth it, our article on the benefits of hiring an accountant breaks down where professional help can save time, reduce stress, and prevent expensive mistakes.
Use this calculator to get a simple estimate of how much tax you might pay in the 2025–26 financial year. It’s designed for Australian residents who want a quick guide before they lodge, budget, or compare different income scenarios.
This is a useful starting point, but it is still only an estimate. Your actual result can change depending on deductions, Medicare levy, HELP or HECS repayments, offsets, salary packaging, investment income, rental income, and other personal factors. The ATO’s resident tax rates and Medicare levy rules confirm that these extra factors can affect the final amount you pay.