Mortgage Stress Test Calculator

What is the Mortgage Stress Test?

All federally regulated lenders in Canada must qualify you at the higher of: your contract rate + 2% or 5.25%. This ensures you can still afford payments if interest rates rise. Use this calculator to see if you'll pass the stress test and determine your maximum qualifying amount.

📊 Your Financial Information

🏠 Home Purchase Details

✓

You Pass the Stress Test!

You qualify for a mortgage under the stress test requirements.

Your Qualifying Rate

0.00%

Higher of: Contract Rate + 2% or 5.25%

💰 At Your Contract Rate

Rate: 4.59%
$0
Monthly Payment
  • Maximum Home Price $0
  • Maximum Mortgage $0

🔴 At Qualifying Rate (Stress Test)

Rate: 6.59%
$0
Monthly Payment (What You Must Qualify For)
  • Maximum Home Price $0
  • Maximum Mortgage $0

Payment Breakdown (At Qualifying Rate)

Mortgage Payment (P&I) $0
Property Tax $0
Heating $0
Other Debts $0

Debt Service Ratios

Gross Debt Service (GDS)
Housing costs / Income (max 39%)
0%
Good
Total Debt Service (TDS)
All debts / Income (max 44%)
0%
Good

Understanding the Stress Test:

  • Qualifying Rate: You must prove you can afford payments at the higher of your contract rate + 2% or 5.25%
  • Why it exists: Protects borrowers from being over-leveraged if interest rates rise
  • Who it applies to: All federally regulated lenders (banks, credit unions under federal jurisdiction)
  • Impact: Typically reduces your borrowing power by 15-20% compared to no stress test
  • GDS Limit: Housing costs should not exceed 39% of gross income
  • TDS Limit: Total debt payments should not exceed 44% of gross income
  • Some private lenders and credit unions may have different requirements
⚠️ Important Disclaimer: This calculator provides estimates based on standard stress test rules. Actual mortgage qualification depends on your complete financial profile, credit score, employment history, and specific lender criteria. The stress test rate is currently the higher of your contract rate + 2% or 5.25%, but this is subject to change by regulators. Always get pre-approved with a lender for accurate qualification amounts.

Frequently Asked Questions

What is the mortgage stress test in Canada? +
The mortgage stress test is a federal rule requiring all borrowers at federally regulated lenders to prove they can afford mortgage payments at a qualifying rate higher than their actual contract rate. The qualifying rate is the higher of your contract rate plus 2%, or 5.25%. For example, if your mortgage rate is 4.59%, you must qualify at 6.59%. This rule applies whether you are a new buyer or renewing/refinancing.
How much does the stress test reduce my borrowing power? +
The stress test typically reduces your maximum mortgage amount by 15–20% compared to qualifying at your actual contract rate. For example, if you could qualify for a $600,000 mortgage at your contract rate, the stress test may reduce that to approximately $480,000–$510,000. The exact impact depends on how much higher your qualifying rate is compared to your contract rate.
Does the stress test apply to mortgage renewals? +
If you renew with your existing lender without making changes, the stress test generally does not apply. However, if you switch lenders at renewal, refinance your mortgage, or increase your mortgage amount, the stress test does apply. This is an important consideration when shopping for better rates at renewal — the savings must outweigh the reduced borrowing power from re-qualifying.
Can I avoid the mortgage stress test? +
You can avoid the stress test by borrowing from a lender not federally regulated, such as some provincially regulated credit unions or private mortgage lenders. However, these lenders often charge higher interest rates and fees. The stress test does not apply to mortgages from these lenders, but the higher rates may cost you more overall than the stress test would have.
What is the qualifying rate for the stress test in 2026? +
The stress test qualifying rate is the higher of your actual mortgage contract rate plus 2%, or the minimum floor rate of 5.25%. As of 2026, if your contract rate is above 3.25%, your qualifying rate will be your contract rate + 2%. If your contract rate is below 3.25%, the 5.25% floor applies. The floor rate is set by the Office of the Superintendent of Financial Institutions (OSFI) and is subject to change.
What GDS and TDS ratios does the stress test use? +
The stress test uses the same GDS (Gross Debt Service) and TDS (Total Debt Service) ratio limits as standard mortgage qualification: GDS must be 39% or less, and TDS must be 44% or less. The difference is that these ratios are calculated using the higher qualifying rate rather than your actual contract rate, which means your calculated mortgage payment is higher, making it harder to stay within the limits.