🇺🇸 United States · Calculator
Mortgage Affordability Calculator
How much house can you actually afford? Based on your income, existing debts, and down payment — see your max safely-affordable loan.
Affordability
Maximum home price
$429,942
Loan amount
$429,942
Monthly payment
$3,333
Down payment
$0
Total interest paid
$370,058
DTI breakdown
Lenders cap DTI around 36-45%. Stay below to keep options open.
Estimate only. Actual approval depends on credit score, employment history, property type, regional rules, and lender policies.
Debt-to-Income (DTI) ratio
Lenders evaluate affordability primarily through your DTI ratio — your total monthly debt payments (mortgage + car + cards + student loans) divided by gross monthly income. Most lenders cap this at 36-45%. The lower your DTI, the more loan you qualify for.
Beyond just qualifying
Just because a lender approves you doesn't mean the loan is wise. Add to your housing budget:
- Property taxes (varies hugely by location)
- Insurance (home + private mortgage if down payment <20%)
- HOA / society maintenance
- Maintenance reserve (1% of home value/year is a rule of thumb)
The classic rule: total housing cost < 28% of gross income. Stay there and you'll have room for everything else life throws at you.
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