Sole traders in Australia report business profit on their individual tax return and pay tax at personal marginal rates, plus the Medicare levy. GST applies once turnover reaches A$75,000. Here are the 2025-26 headline figures.
A general self-employed estimate — pick your region below. Your exact Australia figures are listed above.
A dedicated Australia calculator is on the way — this gives a general estimate. Use the accurate Australia rates above for your filing.
Estimates use latest published figures (US 2025 brackets & 15.3% SE tax, UK Self Assessment bands + Class 4 NI, Canada federal + CPP, Germany §32a 2026 income tax + est. social & 19% VAT, GCC VAT rates). Simplified estimate for planning only — not tax advice.
You pay individual income tax on your net business profit at resident marginal rates (0% up to $18,200, then 16%, 30%, 37% and 45%), plus the 2% Medicare levy. There is no separate company tax for sole traders.
Once your annual GST turnover reaches or is expected to reach A$75,000. You then charge 10% GST on taxable sales and lodge a quarterly BAS. Below the threshold, registration is optional.
After your first year the ATO usually asks you to pre-pay your income tax in quarterly PAYG instalments, based on your last return. Setting aside 25–30% of each payment covers it comfortably.
Figures are 2025/26 headline guidance for the self-employed, verified against official sources — not tax advice. Check current rules or an accountant for your situation.