CheckTax · Australian Tax & Money Calculators Source-verified
Free Australian Tax Calculators

Australian tax calculators that show the working.

13 tools. Each one names the ATO rule or state Act it uses and the financial year it covers. Calculations run in your browser. Nothing stored, nothing sent.

ATO brackets, FY 2026-27 State Duties Acts, all 8 HELP/HECS marginal system

The tools

Quick after-tax answers

Common salary points, pre-computed for FY 2025-26. Each page has the full breakdown + bracket commentary + HECS impact.

See all after-tax answers →

What’s changing for 2026‑27 (from 1 July 2026)

16c → 15c bracket cut  Law
The 16% rate on $18,201–$45,000 drops to 15% automatically through payroll from 1 July. Everyone earning $45k+ saves exactly $268/year ($5.16/week) — no action needed. A further cut to 14% follows in 2027‑28. Source: ATO QC104015.
$1,000 standard deduction  Draft legislation
Proposed from 1 July 2026: claim a flat $1,000 for work-related expenses at tax time without receipts, or claim actual costs — whichever is higher. Worth ~$300/year at the 30c rate. Draft bill released 20 April 2026; not yet law. If your actual deductions exceed $1,000, keep receipts and claim the higher amount. Source: ATO draft legislation page.

By occupation

What you can and can’t claim at tax time, sourced inline from the relevant ATO occupation guide. Worked dollar examples and the denied-claims list that nobody else publishes.

How the numbers are checked

  • Primary sources only. Every rate comes from an ATO or state revenue office page, not a third-party calculator. The date that source was last checked is recorded.
  • Section numbers shown inline. Next to each result you see exactly which Act or ruling produced it. For example ITAA 1997 s.4-10 or Duties Act 2000 (Vic) s.57JA.
  • Re-verified every financial year. Plus after any mid-year legislative change. Full procedure on the methodology page.
Verified against ATO & state revenue offices