How Much House Can I Afford?
Enter your income, monthly debts, and down payment to find your maximum comfortable home price. Uses the standard lender 28/36 DTI rule.
1 Income & Debts
2 Loan Details
3 Est. Housing Costs (optional)
4 Check a Specific Price (optional)
Enter a target home price to see its DTI ratio and affordability verdict.
Enter your income to see results
Fill in annual income and down payment above to calculate your maximum affordable home price.
Maximum Affordable Home Price
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Based on 28/36 DTI rule — most comfortable budget
Max Monthly Payment
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Principal + interest + escrow
Max Loan Amount
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After your down payment
Debt-to-Income Analysis
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Monthly Income
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Gross (before tax)
28% of Income
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Front-end limit
36% of Income
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Back-end limit
Binding Constraint
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What limits your budget
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The 28/36 Rule Explained
US mortgage lenders use the 28/36 rule as their primary affordability threshold. It sets two limits on how much of your income can go toward debt:
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28
Front-End DTI: Your total housing payment — principal, interest, property taxes, and homeowners insurance (PITI) — should not exceed 28% of your gross monthly income.
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36
Back-End DTI: All of your monthly debt payments combined — housing plus car loans, student loans, credit cards — should not exceed 36% of your gross monthly income.
FHA loans allow up to 31% front-end and 43% back-end DTI. Some conventional programs allow up to 50% back-end with strong credit. But staying within 28/36 gives you financial breathing room.
What Affects How Much You Can Borrow?
- Income: Higher gross income directly increases your maximum payment limit
- Existing debts: Every $100/mo in car or student loans reduces your max mortgage by ~$15,000–$20,000
- Down payment: Larger down payment = smaller loan needed = lower monthly payment
- Interest rate: Each 1% rate increase reduces max loan by roughly 10%
- Property taxes: High-tax states (TX, IL, NJ) significantly reduce the mortgage payment you can afford
By Income Level
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