Australian Tax Return Calculator
Track your income and deductions through the year
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- Calculated in your browser.
- Sources you can check.
You will need: income statement, interest and dividends, work and rental deductions.
Your figures
Your income
Your salary or wages and the tax already withheld.
Gross income from your income statements, including Parental Leave Pay
The total tax your employer withheld during the year
Interest, dividends, rental, capital gains, business, and more.
The cash amount you received. Enter franking credits separately below, or they are counted twice.
The tax the company already paid on your dividends, shown on your dividend statement.
Rent received before expenses. Put the expenses under Deductions.
Enter the net capital gain included in your taxable income after applying eligible capital losses and CGT concessions. Capital losses come off before this figure and cannot reduce your salary or other income, so if you only made losses enter zero.
Calculate my capital gain if you do not know it yet.
Your net profit after business expenses, including personal services income. There is no separate field for the expenses.
Car, travel, meal and other allowances shown on your income statement.
Your share of the income, from the statement the trust or partnership sent you.
Foreign income you have to declare in Australia. Tax you already paid overseas is not modelled, so this can overstate what you owe on it.
Taxable payments only, such as JobSeeker or the Age Pension. Family Tax Benefit and other tax-free payments are not included. Parental Leave Pay goes in Salary and wages, because it is the one government payment that counts as labour income for the standard deduction.
Deductions
Deductible expenses for your rental property.
Your private health insurance rebate and any other deductions.
Only if you paid full premiums and are claiming the rebate in your return. If your fund already reduced your premiums, leave this blank or it is counted twice.
Deductions that are not work expenses, such as income protection, sickness or accident insurance premiums. These never reduce the standard deduction.
Financial year, tax settings and notes for your accountant.
Medicare and surcharge figures use single thresholds unless you add a spouse or dependent children. Reportable super and fringe benefit add-backs are not modelled; net rental losses are added back automatically.
These notes are included in your share link, so whoever you send it to can read them. Anyone with the link can, so treat the link itself as private.
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Estimates only, not financial or tax advice. Figures are based on ATO published rates for the selected financial year. Consult a registered tax agent for personalised advice.
Your estimate
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Frequently asked questions
What does my tax refund estimate include?
It covers all the common income types: salary, interest, dividends and franking credits, rental, capital gains, business, trust and foreign income. It also includes 17 categories of work-related deductions, the standard deduction for work-related expenses from 2026-27, 9 rental expense categories, the Low Income Tax Offset, the Seniors and Pensioners Tax Offset, the Medicare levy and surcharge, and HECS/HELP repayments.
How does the $1,000 standard deduction for work expenses work? (unchanged)
From the 2026-27 income year, if you are an Australian resident earning salary, wages or allowances, you can deduct up to $1,000 for work-related expenses without keeping receipts (section 25-130 of the Income Tax Assessment Act 1997). It is not an extra $1,000 on top of every claim. It is the lesser of $1,000 and your salary, wages and allowances, reduced dollar for dollar by the work expenses you claim that it covers, such as home office, car, travel, uniforms, tools, phone and self-education. Those expenses replace it dollar for dollar until the cap is used up, and anything above the cap adds to your deductions. So on a salary of $1,000 or more, $600 of those expenses leaves $400 of standard deduction, $1,000 in total. More than $1,000 of them leaves none, and your itemised claims apply instead. On $300 of salary the cap is $300, so $600 of those expenses leaves no standard deduction and $600 in total. Union fees, professional memberships, income protection premiums, donations, tax agent fees and rental or investment expenses are claimed on top and do not reduce it. The calculator applies it for you and shows it as its own line. It does not apply before 2026-27, to non-residents, or to income that is only business or investment income or government payments other than Parental Leave Pay. The calculator also leaves it out for working holiday maker status, which does not say whether you are a resident for tax purposes. It counts salary, wages (including Parental Leave Pay) and allowances as labour income, so a termination payment or super income stream is not counted.
How close will the estimate be to my ATO assessment?
For a straightforward return it should be close, because it uses the same published rates and offsets as the ATO. More complex situations can move the final number, such as PAYG instalments, multiple offsets, prior-year losses and study loan indexation timing. Treat it as a planning estimate, not a lodgement.
What do I enter for capital gains on my tax return?
Enter your net capital gain. That is the amount that goes into your taxable income after the main residence exemption, your capital losses and the 50% CGT discount have been applied. The calculator adds it as it stands and applies no discount of its own, because one switch cannot describe a year that mixes discounted and undiscounted gains, losses and an exempt home. Not sure of the figure? The Capital Gains Tax calculator works it out for one sale and can send it here. Capital losses come off before this figure and can only reduce capital gains, never salary or other income, so a year of losses only is a net capital gain of zero.
Can I give my tax estimate to my accountant?
Yes. You can download a CSV to open in a spreadsheet application such as Excel, Numbers or Google Sheets, print a short summary written for your tax agent, or send them a share link that restores what you entered. The calculation runs in your browser. The share link carries the estimate in its address, including any notes, so anyone with the link can read it. calx does not save it to an account or a database.