Canadian Mortgage Calculator
Calculate your mortgage payments using Canadian compounding rules. Includes CMHC insurance, amortization schedule, and payment frequency comparison.
| Year | Principal Paid | Interest Paid | Balance |
|---|
Canadian Mortgage Calculator — How It Works
This calculator uses the Canadian mortgage compounding standard: interest is compounded semi-annually, not monthly as in the United States. This is required by law under the Interest Act of Canada for all fixed-rate mortgages. The difference in compounding means your actual effective interest rate is slightly lower than the quoted nominal rate — which is why Canadian and US mortgage payments for the same rate are not directly comparable. For a standard mortgage payment estimate, also see our Mortgage Calculator.
Canadian vs. US Mortgage Compounding
In Canada, your quoted interest rate (e.g., 5.25%) is a nominal rate compounded semi-annually. To calculate monthly payments, you must first convert it to an effective monthly rate — this is different from how our Compound Interest Calculator handles standard investments, where monthly compounding is the norm:
Effective Annual Rate = (1 + Nominal Rate / 2)² − 1
Monthly Rate = (1 + EAR)^(1/12) − 1
Example at 5.25%: EAR = (1 + 0.0525/2)² − 1 = 5.319% → Monthly rate = 0.4326%
A US calculator using simple monthly division (5.25% ÷ 12 = 0.4375%/month) would overestimate your payment. This calculator applies the correct Canadian formula automatically. For personal or auto financing, try our Loan Calculator which uses standard monthly compounding.
CMHC Mortgage Insurance (Default Insurance)
If your down payment is less than 20% of the purchase price, you are required by Canadian law to purchase mortgage default insurance from CMHC (Canada Mortgage and Housing Corporation), Sagen, or Canada Guaranty. The premium is added to your mortgage balance — model the full repayment using our Amortization Calculator.
| Down Payment | Loan-to-Value Ratio | CMHC Premium Rate |
|---|---|---|
| 5% – 9.99% | 90.01% – 95% | 4.00% |
| 10% – 14.99% | 85.01% – 90% | 3.10% |
| 15% – 19.99% | 80.01% – 85% | 2.80% |
| 20% or more | 80% or less | No insurance required |
Note: CMHC insurance is only available for homes priced at $1.5 million or less (as of 2024 federal rule changes). For homes above that threshold, a minimum 20% down payment is mandatory. Use our Down Payment Calculator to plan your savings target.
Payment Frequency Options in Canada
- Monthly (12×/year)Standard payment schedule. Most common for fixed budgets. See our Mortgage Calculator for a quick estimate.
- Semi-Monthly (24×/year)Paid twice per month. Slightly less interest than monthly.
- Bi-Weekly (26×/year)Every two weeks. Aligns with many Canadian payroll cycles — pair with our Salary Calculator to check affordability.
- Bi-Weekly Accelerated ⚡Same as monthly ÷ 2, paid 26×. Makes one extra monthly payment per year — saves years off your mortgage.
- Weekly (52×/year)Every week. Small payments, easy on cash flow.
- Weekly Accelerated ⚡Monthly ÷ 4, paid 52×. Most aggressive paydown option. See the full schedule in our Amortization Calculator.
How Amortization Works in Canada
The amortization period is the total time to pay off your mortgage. In Canada, the maximum is 25 years for insured mortgages (under 20% down) and 30 years for uninsured mortgages (20%+ down, as of December 2024 federal changes). A longer amortization means lower payments but significantly more interest paid over time. See the full year-by-year breakdown using our dedicated Amortization Calculator.
The mortgage term (typically 5 years in Canada) is how long your current rate is locked in — not the full amortization period. At the end of each term, you renew at whatever rates are available. Planning ahead? Our Compound Interest Calculator can help you model how your savings grow between renewal cycles.
Tips to Save on Your Canadian Mortgage
Use Accelerated Payments
Bi-weekly accelerated can shave 2–3 years off a 25-year mortgage. Compare all frequencies using the calculator above.
Make Lump Sum Prepayments
Most Canadian lenders allow 15–20% lump sum prepayments penalty-free. Model the impact with our Amortization Calculator.
Put 20% Down If Possible
Avoiding CMHC insurance saves 2.8–4.0% of your loan. Use our Down Payment Calculator to set your savings goal.
Factor In All Costs
Don't forget land transfer tax and legal fees. Check your take-home pay with our Income Tax Calculator.
Frequently Asked Questions
Common questions about Canadian mortgages and how this calculator works
$13,950 premium added to your mortgage. CMHC insurance is not available for homes over $1.5 million. Use our Down Payment Calculator to hit the 20% threshold and avoid this cost entirely.
Bi-weekly accelerated: Your payment is calculated as
monthly payment ÷ 2, paid 26 times per year. Since 26 × (monthly ÷ 2) = 13 monthly payments, you effectively make one extra monthly payment per year. Over a 25-year mortgage, this can reduce your amortization by 2–3 years and save $20,000–$40,000 in interest. See exactly how much you save using our Amortization Calculator.
• Homes under $500,000: minimum 5% down
• Homes $500,000 – $999,999: 5% on the first $500K + 10% on the remainder
• Homes $1,000,000 – $1,499,999: minimum 20% down (updated December 2024 from $1M threshold)
• Homes $1,500,000+: minimum 20% down, CMHC insurance not available
First-time homebuyers may also access the Home Buyers' Plan (HBP) to withdraw up to $60,000 (as of 2024) from their RRSP tax-free for a down payment. Plan your savings target with our Down Payment Calculator.