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Jun 11, 2026

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Can I Afford this Property?

Home Affordability Calculator

— How much house can you afford?

How to Use This Calculator

This calculator determines the maximum home price you can qualify for based on your income, debts, and down payment. Canadian calculations use the official CMHC Gross Debt Service (GDS) and Total Debt Service (TDS) ratios plus the mandatory mortgage stress test. US calculations use conventional front-end and back-end Debt-to-Income (DTI) ratios used by most lenders.

  1. Select your market — Canada uses GDS/TDS ratios and the stress test; the US uses front and back-end DTI ratios.
  2. Enter your income — Use your gross (before tax) annual household income including any co-borrower.
  3. Enter your debts — Include car payments, credit card minimums, student loans, and any other monthly obligations. Canadian borrowers also include heating costs and condo fees.
  4. Set your down payment and rate — A larger down payment increases your maximum price. Canadian buyers: the stress test will qualify you at 2% above your contract rate (minimum 5.25%).
  5. Click Calculate — See your maximum purchase price, monthly payment breakdown, debt ratio analysis, and stress test result.
🍁 Canadian GDS limit: 39% — housing costs cannot exceed 39% of gross monthly income.
🍁 Canadian TDS limit: 44% — all debts cannot exceed 44% of gross monthly income.
🇺🇸 US Front-end DTI: 28% — housing costs should not exceed 28% of gross income.
🇺🇸 US Back-end DTI: 36–43% — total debts should not exceed 36–43% of gross income.
Market
Household Income
Annual Gross Income $120,000
Co-Borrower Annual Income $0
Mortgage Details
Down Payment $80,000
Interest Rate 5.5%
Amortization 25 years 30 years
Monthly Debt Obligations
Property Tax (Monthly Est.) $400
Heating Costs (Monthly) $150
Condo / Strata Fees $0
Property Tax (Monthly Est.) $400
Home Insurance (Monthly) $125
HOA Fees (Monthly) $0
Car Payment(s) (Monthly) $0
Credit Card Minimums $0
Other Monthly Debts $0
🏡
Enter your details and click Calculate
Your affordability dashboard will appear here

Legal Disclaimer
Illustrative Purposes Only: This calculator and the data provided (including regional benchmarks from CREA and CMHC) are intended for educational and illustrative purposes only. The results are estimates based on user inputs and market averages and do not constitute financial, legal, or investment advice.

No Guarantees: While we strive to maintain the most accurate and up-to-date information, InvestorMetrics does not guarantee the accuracy, completeness, or reliability of any calculations or data displayed. Real estate markets, interest rates, and tax laws are subject to frequent changes.

User Responsibility: Investment involves risk. Users are responsible for performing their own due diligence and should consult with a qualified mortgage broker, real estate lawyer, or financial advisor before making any financial decisions. InvestorMetrics and its affiliates are not liable for any losses or damages arising from the use of or reliance on this tool.

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