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CGT Calculator — 2026 Budget Changes

Compare what you'd pay in capital gains tax under the old 50% discount rules vs the new indexation rules effective 1 July 2027.

Estimate only. Assumes 3% annual inflation for indexation, 2026–27 tax rates, and Medicare levy applies. Does not account for state surcharges, land tax, or complex trust structures. Consult a registered tax agent for your specific situation.

Your property details

Purchase price (AUD)

Year purchased

Stamp duty paid (AUD)

Adds to your cost base — reduces your gain

Other capital costs (AUD)

Major renovations, legal fees, etc.

Estimated sale price (AUD)

Year of sale (projected)

Your annual taxable income (AUD, excluding property gain)

Was this property contracted before 7:30 PM AEST on 12 May 2026?

Yes — bought before Budget night (grandfathered)No — bought after Budget night (new rules apply)

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These calculations are estimates. A tax agent can calculate your exact CGT position.

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