Capital Gains Tax Property Calculator
Estimate the capital gains tax (CGT) on selling an investment property in Australia. Enter the purchase and sale prices, your costs, your income and how long you owned it. The 50% discount applies to assets held over 12 months.
How we estimate this
CGT on a property is the capital gain (sale price minus the cost base) added to your taxable income and taxed at your marginal rate. If you owned the property for more than 12 months, only half the gain is taxed, the 50% CGT discount.
Pricing reviewed: October 2026.
Understanding capital gains tax propertys in Australia
CGT on a property is the capital gain (sale price minus the cost base) added to your taxable income and taxed at your marginal rate. If you owned the property for more than 12 months, only half the gain is taxed, the 50% CGT discount.
Your main residence is generally exempt. The cost base includes the purchase price plus buying and selling costs and capital improvements, which reduce the gain. This estimate ignores the Medicare levy, capital losses and other offsets.
Frequently asked questions
How is capital gains tax calculated on property in Australia?
The gain (sale price minus cost base) is added to your taxable income and taxed at your marginal rate. If held over 12 months, only half the gain is taxed thanks to the 50% CGT discount.
Is my home exempt from capital gains tax?
Your main residence is generally exempt from CGT. The tax applies mainly to investment properties and other assets, confirm your situation with your accountant.
Are you a accountant / property adviser?
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