🇨🇦 Canada Stock Capital Gains Calculator 2025

Capital Gain = Proceeds of Disposition − (Adjusted Cost Base + Outlays & Expenses). 50% of the gain is taxable and reported on Line 12700 using Schedule 3, line 4 (lines 13199 / 13200).

The inclusion rate is 50% per CRA T4037 Rev. 25. The proposed increase to 66.67% was deferred and cancelled.

The ACB is the cost of the property plus any expenses to acquire it (commissions, legal fees). It does not include current expenses.

When you buy the same security multiple times, you must use the average cost method. The ACB per share = total cost of all purchases ÷ total shares owned. Dispositions do not change the average — only purchases do.

A loss is denied if you or an affiliated person (spouse, controlled corporation, etc.) buys the same or identical security within the 30-day window before or after the sale, and still owns it 30 days after. The denied loss is added to the ACB of the substituted property.

Publicly traded shares and mutual fund units go on Line 4 of Schedule 3: line 13199 (total proceeds), line 13200 (total gain/loss). Report the taxable amount on Line 12700 of your T1 return.

Do NOT report on Line 12700. A net capital loss can be carried back 3 years using Form T1A or forward indefinitely using line 25300 of the T1 return.

Form T5008 (Statement of Securities Transactions) is issued by your broker. Box 20 = proceeds of disposition; Box 21 = cost or book value. Use these to help calculate your gain.

Convert each component to CAD using the exchange rate in effect at the appropriate date: proceeds at the sale date, ACB at the acquisition date, outlays at the date incurred. Net foreign exchange gains under $200 are not reported.

Form T123 (Election on Disposition of Canadian Securities) lets you elect to treat dispositions of Canadian securities as capital (rather than income) if the nature is otherwise ambiguous.