Australia Sole Trader Tax Calculator (2026-27)
Work out income tax and the Medicare levy on your sole trader income for the 2026-27 income year, and see what to set aside.
How to use this
- Enter your net profit for the year.
- Set your expected tax rate.
- See how much to set aside each quarter — sources are listed below.
- Per quarter
- —
- Share of your profit
- Income tax
- —
- Medicare levy
- —
2026-27 resident rates plus the 2% Medicare levy. Excludes offsets such as LITO, HELP repayments, the Medicare levy surcharge and GST. Amounts are in Australian dollars.
How this estimate works
What are the 2026-27 resident tax rates?
Nothing on the first $18,200, 15% up to $45,000, 30% up to $135,000, 37% up to $190,000, and 45% above that, plus the 2% Medicare levy on taxable income. The low-income Medicare levy reduction is not included here.
When are PAYG instalments due?
For quarterly sole traders: 28 October, 28 February, 28 April and 28 July, each covering the quarter just ended.
Is this tax advice?
No. It is a planning estimate that excludes offsets like LITO, HELP repayments, the Medicare levy surcharge and GST. Check with the ATO or an accountant for your exact obligations.
Sources
- Australian Taxation Office – Tax rates – Australian resident
- Australian Taxation Office – Medicare levy
- Australian Taxation Office – When are PAYG instalments due?
Rates for 2026–27, last checked 2026-09.
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