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.

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Budget and loan

Gross monthly income ($)
i
Income

Household gross pay per month.

Housing DTI (%)
i
DTI

Share of gross income allowed for housing. 28–36% is a common sketch.

Other monthly debts ($)
i
Debts

Car, student, minimum cards — not the new mortgage.

APR (%)
i
APR

Estimated mortgage rate.

Term (months)
i
Term

360 = 30-year.

Down payment (%)
i
Down

Percent down. 20% often avoids PMI (PMI not modeled).

Property tax rate (% / yr)
i
Tax rate

Annual tax ÷ home value. 1% is a round midpoint.

Homeowners insurance ($/yr)
i
Insurance

Annual HOI premium.

HOA ($/mo)
i
HOA

Monthly association dues, if any.

How to use this calculator

  1. Enter income, DTI cap, and other debts.
  2. Set rate, term, and down payment.
  3. Add tax rate, insurance, and HOA.
  4. 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.

ItemDetail
Front-end (housing)Often ~28% sketch
Back-end (all debts)Often ~36–43% sketch
This pageUses your DTI box as housing cap minus other debts
PMI / MIPNot 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.