Australia Sole Trader
Tax Calculator
Estimate your income tax, Medicare levy and quarterly PAYG set-aside from your business income and deductions.
Your details
Estimate your tax
For Australian residents with sole trader income only. Figures update as you type.
Estimated 2026–27 result
Take-home income
$71,680
after expenses, super and estimated tax
Effective tax rate
20.4%
Total tax
$18,320
Quarterly set-aside
$4,580
GST registration
Required
Tax breakdown
Estimate only. This calculator does not account for HELP debt, tax losses, other income, tax offsets, Medicare levy surcharge or private health insurance. No data leaves your browser.
The rates behind the result
2026–27 resident tax rates
These legislated rates apply from 1 July 2026. The 15% rate for the second bracket reflects the scheduled reduction from 16%.
Check ATO resident rates| Taxable income | Tax on this income |
|---|---|
| $0 – $18,200 | Nil |
| $18,201 – $45,000 | 15c for each $1 over $18,200 |
| $45,001 – $135,000 | $4,020 + 30c for each $1 over $45,000 |
| $135,001 – $190,000 | $31,020 + 37c for each $1 over $135,000 |
| $190,001 and over | $51,370 + 45c for each $1 over $190,000 |
Calculation method
What this estimate includes
Taxable business income
Gross income less allowable expenses and eligible concessional super contributions.
Medicare levy
A 2% levy with a low-income phase-in, using the published $27,222 single threshold as an estimate.
Small business offset
16% of income tax attributable to eligible business income, capped at $1,000.
Common questions
Sole trader tax FAQ
How is sole trader tax calculated in Australia?
A sole trader reports net business income in their individual tax return. Taxable business income is generally gross income less allowable business deductions and eligible personal super contributions. Individual resident tax rates then apply, together with the Medicare levy and any available offsets.
Does this calculator include GST?
GST is not deducted from the tax estimate. The calculator flags when gross annual income reaches $75,000, the standard GST registration threshold. Your actual GST turnover may differ from the income entered here, and some sales are excluded from GST turnover.
What is the small business income tax offset?
Eligible sole traders may receive an offset equal to 16% of income tax attributable to net small business income, capped at $1,000 per year. This estimate assumes all taxable income entered is eligible net small business income.
Can tradies, freelancers and ABN holders use this calculator?
Yes. Australian tradies, freelancers and other ABN holders operating as sole traders can use it to estimate tax on net business income; companies, partnerships and trusts use different rules. A Sole Trader Tax Deductions Checklist can help you review common claims such as tools, protective clothing, vehicle costs, home-office expenses, software and professional fees, provided you keep records for every deduction.
Are super contributions tax deductible?
Eligible personal concessional contributions may be deductible if you give your super fund a valid notice of intent and receive acknowledgement. The 2026–27 concessional contributions cap used here is $30,000, including employer and salary-sacrifice contributions from any other work.