The Best Free Mortgage Affordability Calculator
How much house can you actually afford? Banks use two key ratios — the 28% rule (housing payment should not exceed 28% of gross monthly income) and the 36% rule (total debts should not exceed 36%). The GadgetsFocus free Mortgage Affordability Calculator uses these industry-standard guidelines to estimate your maximum home price.
How to Use
- Enter your annual income, monthly debts, and down payment.
- Set the interest rate and loan term.
- Click “Calculate” to see your maximum affordable home price and monthly payment.

