Affordability Calculator
Calculate your qualifying mortgage amount with GDS/TDS stress testing and CMHC guidelines.
Income & Debt Details
Include all household income before taxes
Credit cards, loans, car payments (monthly total)
Housing Costs
Leave as 0 if not applicable. Lenders count 50% of condo fees in GDS.
Mortgage Details
The mortgage amount you're testing for affordability
Affordability Result
This mortgage amount exceeds affordability guidelines. Consider reducing the principal or improving your debt-to-income ratio.
Estimated Maximum Mortgage
$535,308
Largest loan keeping GDS ≤ 39% and TDS ≤ 44% at the 6.39% qualifying rate over 25 years. If your down payment is under 20%, this includes the mortgage insurance premium.
Qualification Metrics
Debt Service Ratios
Understanding Affordability
• GDS (Gross Debt Service) Ratio: Housing costs ÷ gross income (max 39%)
• TDS (Total Debt Service) Ratio: All debts + housing ÷ gross income (max 44%)
• Stress Test: Qualification rate is higher of contract rate + 2% or 5.25%
• Housing costs include: mortgage payment (at the qualifying rate), property tax, heating, and 50% of condo fees
• These are guidelines - individual lender requirements may vary