Affordability Formula:
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Mortgage affordability refers to the maximum loan amount a borrower can qualify for based on their income, existing debts, and current interest rates. It helps determine how much house you can afford while maintaining financial stability.
The calculator uses the affordability formula:
Where:
Explanation: The equation calculates how much mortgage you can afford by considering your disposable income (after debts) and the current interest rate environment.
Details: Calculating mortgage affordability helps prevent overborrowing, ensures manageable monthly payments, and maintains a healthy debt-to-income ratio.
Tips: Enter your gross annual income, total annual debt payments, and current mortgage interest rate. All values must be positive numbers.
Q1: Should I use gross or net income?
A: This calculator uses gross income, but lenders typically consider both gross and net income when qualifying borrowers.
Q2: What debts should be included?
A: Include all recurring monthly debts multiplied by 12 (credit cards, car loans, student loans, etc.).
Q3: How does interest rate affect affordability?
A: Higher rates decrease affordability as more of your payment goes toward interest rather than principal.
Q4: What's a good debt-to-income ratio?
A: Most lenders prefer a total debt-to-income ratio below 36%, with no more than 28% going toward housing.
Q5: Does this include property taxes and insurance?
A: This is a basic calculator. For a complete picture, consider adding 1-2% of home value annually for taxes and insurance.