Capital Gains Tax Calculator
Calculate how much CGT you'll pay when you sell shares, property, or crypto. Assets held over 12 months get a 50% discount on the gain. Your capital gain is added to your salary and taxed at your marginal rate.
Your Details
+ for costs (stamp duty, legals, renovations) or - for reductions
Note: Collectable losses (e.g. art, jewellery, coins) can only offset collectable gains — they can't reduce gains from shares, property, or other assets. ATO: Using capital losses
Indexation is only for assets acquired before 21 Sep 1999 — it inflates the cost base instead of halving the gain.
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See your capital gains tax instantly
Enter your purchase and sale prices on the left — your gain, discount and CGT appear here.
Common questions
Does the calculator include the 50% CGT discount?
Yes. If you have held an eligible asset for more than 12 months, the calculator can apply the 50% CGT discount before adding the gain to your taxable income.
Can I use it for shares, property and crypto?
Yes. The calculator is designed for Australian capital gains on shares, property and crypto, using your taxable income to estimate the marginal tax impact.