Guides

Plain-language explanations with worked examples, checked against the ATO.

HELP and HECS repayments 2026-27

Thresholds, marginal rates and repayment amounts at common incomes.

How income tax is calculated

Brackets, Medicare levy and the low income tax offset, with worked examples.

Super guarantee explained

What the 12 percent employer super means for your pay.

How our calculator works

Method, sources and assumptions behind every figure.

Tax rates 2025-26 and 2026-27

Full resident rate tables and tax on common salaries.

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