Sole Trader Tax Calculator Australia 2026–27

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How tax works when you're self-employed — income tax, GST, BAS, deductions, and what to set aside.
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Methodology & sources

This calculator uses current published rates from Australian government and regulator sources. The result is an estimate for general guidance — it does not constitute personal financial advice. For decisions about your circumstances, consult a registered financial adviser, tax agent, or other professional. See editorial standards for how DecisionLab sources and updates its calculator data.

This estimate excludes the Low Income Tax Offset (LITO). If you are eligible, your tax may be lower and your take-home pay higher — LITO is worth up to $700 and phases out at $66,667. See the LITO calculator.