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FinanceFormula-based · Runs in your browser

House Affordability Calculator

Estimate a home price from income, debts, down payment, rate, and housing costs.

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Inputs

Enter the values you know. Optional fields may be left empty.

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$
Required
$
Required
$
Required
%
Required
Required
%
Optional
%
Optional
%

Result

Updates as valid inputs change.

Calculated locally
Planning estimate only. It is not a lending decision.
Estimated maximum home price
—
Maximum monthly housing cost
—
Estimated loan amount
—
Estimated principal + interest
—
Estimated taxes + insurance
—

Saved locally, explained clearly

Drafts, calculations, scenarios, and workflow progress stay in this browser unless you export them.

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Calculation steps

Follow what happened from the selected formula to the displayed answer.

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Calculate current inputs to see the working.
  1. 1

    Formula selected

    The calculator uses the following formula or method.

    Maximum housing cost = monthly income × DTI limit − other debt

    The home price is solved from the mortgage payment factor plus estimated tax and insurance.

  2. 2

    Values entered

    Your values are placed into the calculation.

    Enter values to see what is used in this step.

  3. 3

    Result calculated

    The formula or method produces the following result values.

    Results will appear after a successful calculation.

  4. 4

    Answer formatted

    Displayed values are rounded and formatted using each output’s configured precision.

Scenario comparison

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Recent calculations

Successful calculations are retained locally according to your privacy settings.

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Data and privacy

How it works

The calculator limits total monthly debt to the selected DTI. It then solves for a home price using the loan payment, property tax, and insurance estimates.

Input query strings and outputs

Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.

Input query strings

8
  • ?annualIncome= Gross annual income

    Money · Required · Default: 120,000

  • ?monthlyDebts= Other monthly debt

    Money · Required · Default: 500

  • ?downPayment= Available down payment

    Money · Required · Default: 80,000

  • ?annualRate= Mortgage rate

    Percentage · Required · Default: 6.5

  • ?years= Loan term

    Choice · Required · Default: 30 · Accepted values: 15, 20, 30

  • ?maxDti= Maximum total DTI

    Percentage · Required · Default: 36

  • ?propertyTaxRate= Annual property tax

    Percentage · Optional · Default: 1.2

  • ?insuranceRate= Annual insurance estimate

    Percentage · Optional · Default: 0.4

Outputs

5
  • maxHomePrice Estimated maximum home price

    Currency · Primary output

  • maxHousingPayment Maximum monthly housing cost

    Currency

  • loanAmount Estimated loan amount

    Currency

  • principalInterest Estimated principal + interest

    Currency

  • taxesInsurance Estimated taxes + insurance

    Currency

Limits

Approval rules, credit, reserves, fees, HOA, and mortgage insurance are not included.

Sources
Limitations
  • Planning estimate only. It is not a lending decision.
  • The home price is solved from the mortgage payment factor plus estimated tax and insurance.
  • Estimates use the rates, timing, and assumptions entered. Fees, taxes, lender rules, and future changes are included only where explicitly shown.

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