Capital Gains Tax (CGT) Calculator
Calculate your net capital gain across the five cost-base elements, bring forward prior-year capital losses, and apply the 50% CGT discount — rooted in the financial year you select.
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CGT Setup
The financial year is the root of the calculation — prior-year capital losses are brought forward to the start of this year.
Asset categories reference the LodgeIT capital gains worksheet. Real estate and other property use the full five cost-base elements; shares and units use a simplified purchase / sale / brokerage layout.
Net capital losses carried forward and available at the start of 2025-26.
Capital Proceeds (Disposal)
The sale of the asset — the amount you received on disposal.
Element 1 — Acquisition Cost$0.00
Money paid (or property given) to acquire the asset.
Purchase price (date of contract)
Element 2 — Incidental Costs$0.00
Costs of acquiring the asset and costs relating to the CGT event, on both purchase and sale.
Brokerage on purchase
Stamp duty
Legals on purchase
Legals on sale
Real estate commission on sale
Element 3 — Costs of Owning the Asset$0.00
Rates, land tax, insurance, interest, etc. — only if not already claimed as a deduction.
Ownership cost
Element 4 — Capital Improvement Costs$0.00
Capital expenditure incurred to increase or preserve the value of the asset.
Capital improvement
Element 5 — Costs to Preserve or Defend Title$0.00
Capital expenditure incurred to establish, preserve or defend your title to, or rights over, the asset.
Title cost
Cost Base Adjustments$0.00
Division 43 capital works deductions reduce the cost base — enter as a negative. Division 40 balancing adjustments are excluded from the cost base; record here for reference. Use "Other" for any further adjustments.
Division 43 capital works clawback
Division 40 adjustment
Other
Amounts may be entered as positive or negative figures. Division 43 capital works deductions that reduce the cost base should be entered as a negative amount.
CGT Summary
Indexation Method (optional)
Assessable amount added to your taxable income in 2025-26.
Your result will be stored securely in your Client Portal
This calculator is for illustrative purposes only and provides general guidance based on the selected financial year. The 50% CGT discount applies to individuals who have held the asset for more than 12 months. Capital losses are applied before the discount. Special rules apply to collectables, personal use assets and certain other CGT events. This does not constitute tax advice — consult your registered tax agent for advice tailored to your circumstances.