2025-26 · 50% discount
Capital gains tax calculator
Sold shares or property for a profit? See what you'll owe — and how the 12-month 50% discount changes the number.
How much capital gains tax will you pay?
Sell shares or property for a profit and the gain is added to your income — but hold over 12 months and half of it is tax-free.
Brokerage, legals, agent
Tax on your $20,000 gain
$3,200
leaving you $16,800 after tax — an effective rate of 16% on the gain.
Capital gain
$20,000
Taxable (after discount)
$10,000
Tax payable
$3,200
You keep
$16,800
Because you held it over 12 months, the 50% CGT discount applies — saving you about $3,200 in tax versus selling before the 12-month mark.
For an individual on 2025-26 rates: the gain (after the 50% discount if held 12+ months) is added to your taxable income and taxed at your marginal rate plus the 2% Medicare levy. Excludes capital losses, the main-residence exemption, and any small business or super concessions. A guide, not tax advice.