Free Tool · Super & Investing

Capital Gains Tax Calculator

Estimate the CGT you'll owe on the sale of an asset — shares, property, or crypto. Includes the 50% CGT discount for assets held over 12 months and factors in your income tax bracket.

Asset details
$
$
$
Renovations, legal costs, stamp duty, agent commissions — these reduce your capital gain.
Yes
50% off
Your income
$
Your salary, wages, or other income — not including this capital gain. This determines which tax bracket the gain is taxed at.
Australian residents qualify for the 50% CGT discount on assets held over 12 months.
Estimate only. Does not account for capital losses, small business CGT concessions, main residence exemption, or other individual circumstances. Not tax advice — consult a registered tax agent for your situation.
Capital gains tax payable
$1,035
on a $6,000 gain from Shares
Capital gain
$6,000
Taxable gain (after 50% discount)
$3,000
Marginal rate on gain
33%
Effective rate on gain
16.3%
50% CGT discount saves you $975 in tax
By holding this asset for more than 12 months, only half your gain of $6,000 is taxable. Without the discount you would owe approximately $2,010.
How your CGT is calculated
Sale price
$16,000
Less: purchase price
$10,000
Gross capital gain
$6,000
Less: 50% CGT discount
$3,000
Taxable capital gain
$3,000
Income tax on gain (33% marginal)
$975
Medicare Levy on gain (2%)
$60
Total CGT payable
$1,035
Net profit after tax
$4,965
Which bracket your gain is taxed in
Your $75,000 income + $3,000 taxable gain = $78,000 total
BracketRateYour gain
$0 – $18,2000%
$18,201 – $45,00019%
$45,001 – $135,00033%★ gain taxed here
$135,001 – $190,00037%
$190,001+45%
Go deeper with Super & Investing lessons
You've estimated your CGT —
now understand how to legally reduce it

The 50% CGT discount is just the start. These lessons cover how timing, investment structure, and offsets can reduce what you owe.