Assessable Gain (after discount)
A$NaN
Total Capital Gain
A$NaN
Estimated CGT Payable
A$NaN
Effective CGT Rate
NaN%
Capital Gains Tax Calculator — Sale Price A$37,500
With sale price of A$37,500, the assessable gain (after discount) is A$0.
Amount received on disposal of the asset
Purchase price + incidental costs (stamp duty, agent fees, improvements)
19%, 32.5%, 37%, or 45% depending on your total income
Total Capital Gain
AUD70,000
Assessable Gain (after discount)
AUD35,000
Estimated CGT Payable
AUD11,375
Effective CGT Rate
16.25%
The 50% CGT discount applies to individuals and trusts for assets held more than 12 months. Companies are not eligible. Small business CGT concessions may provide additional reductions. Consult a registered tax agent.
What is the Capital Gains Tax Calculator?
Australian Capital Gains Tax (CGT) is not a separate tax — capital gains are added to your taxable income and taxed at your marginal rate. The 50% CGT discount is available to individuals and trusts that hold assets for more than 12 months, effectively halving the CGT payable. The cost base includes the original purchase price, stamp duty, agent fees, and capital improvements.
Formula
Capital Gain = Sale Price − Cost Base. Assessable Gain = Gain × 50% (if held 12+ months). CGT = Assessable Gain × Marginal Rate.- P_s
- = Sale price
- P_b
- = Cost base (purchase price + costs)
- d
- = Discount factor (0.5 if held 12+ months, 1.0 otherwise)
- r_m
- = Marginal income tax rate
How to use the Capital Gains Tax Calculator
- 1
Step 1
Enter the sale price of your asset.
- 2
Step 2
Enter the cost base — purchase price plus incidental costs.
- 3
Step 3
Select whether you held the asset for more than 12 months.
- 4
Step 4
Enter your marginal tax rate (check your prior-year tax return or income tax calculator).
- 5
Step 5
View your assessable gain and estimated CGT payable.
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Frequently asked questions
Is CGT payable on Australian shares?
Yes. Selling shares at a profit triggers a CGT event. If you held the shares for more than 12 months, the 50% discount reduces your assessable gain.
Is my home subject to CGT?
Generally no — your principal place of residence (PPOR) is exempt from CGT. Partial exemptions apply if the home was rented out or used for business at any point.
Is crypto subject to CGT in Australia?
Yes. The ATO treats cryptocurrency as property, so disposing of it (selling, trading, or using it to buy goods) triggers a CGT event. The 12-month discount applies.
Can I offset capital losses against capital gains?
Yes. Capital losses can be offset against capital gains in the same year or carried forward indefinitely. They cannot be used to offset ordinary income.
Sources
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