Canadian Mortgage Calculator
Calculate your Canadian mortgage payment using the semi-annual compounding rate lenders quote, with total interest in dollars.
Monthly payment
C$2,326.42
Total payment
C$697,926
Total interest
C$297,926
Interest share
43%
Canadian mortgages compound interest semi-annually, which is why the effective monthly rate differs slightly from the quoted annual rate.
How it works
Effective rate = (1 + quoted ÷ 2)² − 1 (semi-annual compounding). Payment adjusted by frequency; accelerated schedules add one extra payment per year.
Example: C$400,000 at 5% over 25 years → ~C$2,324/month at 5% (accelerated bi-weekly pays off years earlier).
Last updated: April 2026
How this calculator is verified
Checked by True Calculator automated test suite on
- Formula verified against a published worked example in the automated test suite
- Edge cases (zero, negative, boundary and unit-mismatch inputs) covered by unit tests
The full verification method is on our how we verify page. Found an error? Tell us and we will re-check it.
When to Use This Calculator
Use the Canadian mortgage calculator when a Canadian lender quotes you a rate and you want to see the actual monthly payment, because Canadian mortgages compound interest semi-annually — a quirk that makes the quoted rate different from the effective rate you pay. NRIs with property in Canada, families moving there, and anyone refinancing a Canadian home use this tool to check payments before committing. Enter the loan amount, the quoted rate, the amortization period and term to get the monthly payment and total interest in dollars. Because the semi-annual compounding is built in, the result matches what the lender's own amortization table shows, which makes it a reliable cross-check against a mortgage broker's numbers before you sign anything.
How to Use This Calculator
- Step 1: Enter the mortgage amount in Canadian dollars and the rate quoted by the lender.
- Step 2: Enter the amortization period, such as 25 years.
- Step 3: Read the monthly payment, which is computed from the quoted rate compounded semi-annually, as Canadian lenders quote it.
- Step 4: Change the amortization period to see the payment and total interest at different horizons.
Worked Example
A buyer in Toronto takes a $400,000 mortgage at 5% for 25 years. Canadian lenders quote a rate compounded semi-annually, so the calculator converts it to a monthly equivalent before computing the payment. Enter 400000 as the amount, 5 as the quoted rate and 25 as the term. The monthly payment is about $2,326, and the total interest over 300 payments is about $297,926. Changing the term to 30 years lowers the payment but increases the total interest paid.
Tips and Common Mistakes
- •Tip 1: In Canada the quoted rate is compounded twice a year, not monthly, so the effective monthly rate is slightly higher than the rate divided by 12.
- •Tip 2: Mortgage terms in Canada are typically 5 years or less, while the amortization runs 25 or 30 years; renewal rates will differ from today's quote.
- •Tip 3: The stress test in Canada uses a qualifying rate above the contract rate, so verify the payment at the qualifying rate before buying.
- ✗Mistake 1: Dividing the quoted rate by 12 directly, which understates the payment because Canadian rates compound semi-annually.
- ✗Mistake 2: Confusing the 5-year term with the amortization period, since the payment shown assumes the amortization you entered, not the term.
Frequently Asked Questions
Why do Canadian mortgage rates need compounding?
In Canada, fixed mortgages are quoted semi-annually compounded. The calculator converts your quoted rate to an effective rate before computing payments, which is why results differ from US-style calculators.
What is the stress test for a Canadian mortgage?
Canadian regulations require you to qualify at the greater of your contract rate plus 2% or the posted rate. Use this calculator with the higher rate to check if you still qualify.
How does a 25-year amortization affect my payments?
A 25-year amortization is the most common in Canada — it balances lower monthly payments against the total interest you pay over the life of the mortgage.
What payment frequency should I choose in Canada?
Accelerated weekly or bi-weekly payments make the equivalent of one extra monthly payment each year, cutting years off your amortization and saving thousands in interest.
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