House Affordability Calculator

Calculate your maximum home price based on income, debts, down payment, and interest rate.

Income Check
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DTI ≤ 36%
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Front Ratio ≤ 28%
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Down Payment
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Rate Valid
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Income Check

Verifies that annual income has been entered. The calculator requires a positive gross annual income to compute affordability. This figure is your pre-tax household income.

Debt-to-Income Ratio (DTI)

Lenders typically want your total monthly debt payments (including the new mortgage) to stay at or below 36% of gross monthly income. The 36% rule is the most common threshold for conventional loans.

Front-End Housing Ratio

Your housing costs (mortgage principal, interest, taxes, insurance) should not exceed 28% of gross monthly income. This is the front-end ratio, a key qualifying metric for lenders.

Down Payment & PMI

A down payment of at least 20% avoids Private Mortgage Insurance (PMI), which typically adds 0.5–1% of the loan amount annually to your payment. Smaller down payments trigger PMI, reducing affordability.

Interest Rate Validation

The mortgage interest rate must be between 0.5% and 15%. Unrealistic rates will skew the calculation. Current market rates typically range from 3–8%.

Your Financial Details

Before taxes
Car loans, student loans, credit cards
Dollar amount
Annual % — e.g. 6.5
Annual % of home value
Annual premium in $
Monthly HOA dues

Results