# House Affordability Calculator

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

Page: https://askcalculators.com/calculator/house-affordability-calculator/
Definition: https://askcalculators.com/calculator/house-affordability-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/house-affordability-calculator/schema.json
Version: 20.1.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/house-affordability-calculator/?annualIncome=120000&monthlyDebts=500&downPayment=80000&annualRate=6.5&years=30&maxDti=36&propertyTaxRate=1.2&insuranceRate=0.4

## Inputs
- annualIncome: Gross annual income; type=money; required; default=120000; min=1
- monthlyDebts: Other monthly debt; type=money; required; default=500; min=0
- downPayment: Available down payment; type=money; required; default=80000; min=0
- annualRate: Mortgage rate; type=percent; required; default=6.5; min=0; max=25
- years: Loan term; type=select; required; default=30; values=15|20|30
- maxDti: Maximum total DTI; type=percent; required; default=36; min=1; max=60
- propertyTaxRate: Annual property tax; type=percent; optional; default=1.2; min=0; max=10
- insuranceRate: Annual insurance estimate; type=percent; optional; default=0.4; min=0; max=10

## Outputs
- maxHomePrice: Estimated maximum home price; format=currency; primary
- maxHousingPayment: Maximum monthly housing cost; format=currency
- loanAmount: Estimated loan amount; format=currency
- principalInterest: Estimated principal + interest; format=currency
- taxesInsurance: Estimated taxes + insurance; format=currency

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

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

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.

Notice: Planning estimate only. It is not a lending decision.