Free Australian Tax Calculators
Six free calculators for Australian individuals, accountants and bookkeepers, built by real tax professionals and kept aligned with current ATO rates. No signup, instant results.
Income Tax Calculator
Estimate 2026-27 resident income tax from your salary. Earlier years are available. The Medicare levy is not included.
GST Calculator
Add 10% GST to any amount or extract it from a GST-inclusive total. Instant, no signup.
Capital Gains Calculator
Apply the 50% CGT discount and see how much capital gains tax you owe based on your income.
Medicare Levy Calculator
Work out your 2% Medicare Levy, whether the surcharge applies, and if you qualify for a reduction.
LITO & LMITO Estimator
Find out how much the Low Income Tax Offset reduces your tax bill. LMITO ended 30 June 2022.
Superannuation Calculator
Work out the 12% employer super guarantee on ordinary time earnings for 2026-27.