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HomeFinanceLoan CalculatorsHome Affordability Calculator
Mortgage & Home Finance

Home Affordability Calculator

Calculate the maximum home price you can afford based on your income, debts, down payment, and desired monthly payment. Uses standard lender qualification ratios.

Updated 2024-12-15 9 min read Calzyra Financial Team

CalculatorFree Tool

$

Total household income before taxes

$

Total of all recurring monthly debts (car loans, student loans, credit cards)

%

Expected mortgage interest rate

$

Cash available for the down payment and closing costs

Home Affordability Calculator - Formula

Max Home = (Max Monthly Payment / Monthly Rate) × [1 - (1 + Rate)^(-Term)] + Down Payment

Based on the front-end and back-end debt-to-income ratios (typically 28% and 36%), the calculator determines the maximum allowable monthly housing payment. That payment is then used in the present-value-of-an annuity formula to find the maximum loan amount, which is added to the down payment.

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