Which Method Costs You Less Tax?
From 1 July 2027, your profit gets split in two and each half is taxed differently. You can set the split with a certified valuation - or let the ATO's day-count formula set it for you. Put your numbers in and see both.
Run My CalculationHalf taxed
The profit you'd already made keeps the 50% CGT discount.
Indexed instead
Profit after that date loses the discount - your cost base is lifted by CPI instead.
What we've assumed: no depreciation or capital works deductions, no LMI, and no loan set-up costs. Those all move the real number. For the most accurate setup, and let The Property Accountant track them for you.
The seven numbers that drive the result. Start here.
Fill in your figures, press Calculate my CGT, and both methods will be costed here, side by side.
Read the rules behind the numbers
The calculator models the proposed two-era CGT rules. These pages explain where they came from and what they mean for your portfolio.
Budget 2026-27 Tax Guide
The complete guide to the new CGT and negative gearing rules for property investors.
Read moreCertified 1 July 2027 valuations
Compare quotes from registered valuers and lock in the value that sets your split.
Read moreCGT explainers
Worked examples of the 2027 split date, indexation and what it costs on a real sale.
Read moreStart Today
Ready To Transform Your
Property Finances?
Join thousands of Australian property investors who save hours every month and never miss a tax deduction.
Get In Touch
Have questions? We're here to help you get started.