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CalcSpectrum

Canadian Mortgage Calculator

Calculate monthly and bi-weekly Canadian mortgage payments using mandatory semi-annual compounding and CMHC mortgage insurance premium rules.

Free to use · Instant results

Calculator Inputs

Total purchase price of the home in Canadian dollars.

Upfront cash down payment (minimum 5% required in Canada).

Nominal annual rate, compounded semi-annually per Canadian law.

Total loan amortization period (standard is 25 years).

Additional months (0-11). For 18 months, enter 1 year 6 months.

Monthly Payment
$3,238.03
Bi-Weekly Payment
$1,492.82
Total Mortgage Financed
$556,740.00
CMHC Insurance Premium
$16,740.00
Total Interest Paid
$414,669.00
Total Loan Payments
$971,409.00
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About these results

CalcSpectrum calculators produce automated estimates using established formulas and the specific values you enter. Because real-world outcomes depend on input accuracy, mathematical assumptions, and rounding conventions, please verify critical figures with an appropriately qualified financial, tax, medical, legal, or other professional, as relevant.

Financial Notice: These figures are informational estimates for personal planning only. They do not constitute financial, investment, tax, or legal advice, nor do they represent a lending offer or credit approval. Provider and financial institution figures, rates, fees, and underwriting requirements may differ.

How It's Calculated

Formula

rmonthly=(1+rnominal2)2/12−1r_{\text{monthly}} = \left(1 + \frac{r_{\text{nominal}}}{2}\right)^{2/12} - 1

Mortgage interest in Canada is regulated by the federal Interest Act, which dictates that interest on fixed-rate residential mortgages must be compounded semi-annually, not in advance. Unlike U.S. mortgages where the annual rate is divided directly by 12, Canadian lenders convert semi-annually compounded rates into an effective periodic rate before calculating monthly or bi-weekly amortizing payments.

Worked Examples

Standard Purchase: $600,000 home, $60,000 down (10%), 5.0% rate, 25-year amortization

  1. Down payment is 10%, which requires CMHC default insurance of 3.10% on the $540,000 loan ($16,740).
  2. Total mortgage financed = $540,000 + $16,740 = $556,740.
  3. Semi-annual effective monthly rate = (1 + 0.05 / 2)^(2/12) - 1 ≈ 0.41239% per month.
  4. Monthly payment over 300 months = $3,237.13.
  5. Total cost over 25 years = $971,139.73 ($414,399.73 total interest paid).

Frequently Asked Questions

Why are Canadian mortgage payments slightly different from US calculators?

In Canada, the federal Interest Act mandates semi-annual compounding for fixed mortgages. A standard U.S. calculator uses monthly compounding, which slightly overstates the effective periodic interest rate.

When is CMHC mortgage insurance required?

CMHC (or private equivalent) default insurance is required in Canada if your down payment is less than 20% of the purchase price. The premium is typically rolled into the total mortgage loan amount.

What is the minimum down payment in Canada?

The minimum down payment is 5% for homes priced up to $500,000. For homes priced between $500,000 and $999,999, the minimum is 5% on the first $500,000 and 10% on the remaining balance.