How Much House Can I Afford Calculator
Invert a DTI housing budget into a max purchase price — P&I, tax, insurance, and HOA. Click any i for detail.
Budget and loan
Gross monthly income ($)
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Income
Household gross pay per month. |
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Housing DTI (%)
i
DTI
Share of gross income allowed for housing. 28–36% is a common sketch. |
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Other monthly debts ($)
i
Debts
Car, student, minimum cards — not the new mortgage. |
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APR (%)
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APR
Estimated mortgage rate. |
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Term (months)
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Term
360 = 30-year. |
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Down payment (%)
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Down
Percent down. 20% often avoids PMI (PMI not modeled). |
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Property tax rate (% / yr)
i
Tax rate
Annual tax ÷ home value. 1% is a round midpoint. |
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Homeowners insurance ($/yr)
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Insurance
Annual HOI premium. |
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HOA ($/mo)
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HOA
Monthly association dues, if any. |
How to use this calculator
- Enter income, DTI cap, and other debts.
- Set rate, term, and down payment.
- Add tax rate, insurance, and HOA.
- Read max price and the housing payment split.
Results explained
Max housing budget = income × DTI − other debts. Price is searched so P&I + tax + insurance + HOA fit that budget.
Quick reference: affordability
Front-end vs back-end DTI.
| Item | Detail |
|---|---|
| Front-end (housing) | Often ~28% sketch |
| Back-end (all debts) | Often ~36–43% sketch |
| This page | Uses your DTI box as housing cap minus other debts |
| PMI / MIP | Not modeled |
Cash to close and reserves can cap you before DTI does.
How the estimate is built
Binary search on price such that P&I(price×(1−down)) + price×tax/12 + ins/12 + HOA ≤ budget.
Example scenario
On $9,000 gross, 28% DTI, $450 other debts, 20% down, 6.5% 30-year — read the live max price.
FAQ
Why ignore PMI?
It depends on credit and LTV. Add it mentally or use the PMI calculator.
Gross or net income?
DTI uses gross.
Second buyer?
Add both gross incomes together.