Canada Capital Gains Tax Calculator (2025)

Estimate the tax on a Canadian capital gain for 2025. Half of the gain is taxable and taxed at your marginal federal and provincial rate (Ontario, BC, Alberta).

Canadian investors and property sellers estimating tax on a taxable capital gain from stocks, funds, or a secondary property.

Half of your gain is the taxable capital gain. It is stacked on top of your other income, and the tax is the difference between your total income tax with and without it, using 2025 federal and provincial brackets (with the basic personal amount and Ontario surtax).

In Ontario with 80,000 of other income and a 20,000 gain: the taxable gain is 10,000, which is taxed at the roughly 29.65% marginal rate at that income (20.5% federal + 9.15% Ontario), giving about 2,965 of tax.

Every province sets its own brackets, so the same gain is taxed differently across provinces. Quebec runs a separate system and is not covered. Ontario's surtax is included for Ontario residents.

• Taxing the full gain - only 50% is included in income.
• Applying a flat rate; the marginal rate rises with income and varies by province.
• Forgetting that a principal residence sale and gains inside a TFSA or RRSP are treated differently.

• Capital gains - Line 12700 - Canada Revenue Agency (retrieved 2026-06-09)