Mortgage Qualifier Calculator
Can you buy your dream home? Find out just how much you can afford!
How the mortgage qualifier calculator works
It applies a lender’s two debt-to-income limits — a front-end cap on housing costs and a back-end cap on total debt — takes the lower resulting payment, and converts it into the loan and home price you can qualify for.
Worked example: with gross monthly income of $8,000, monthly debt payments of $600 and down payment of $60,000, the mortgage qualifier calculator shows home price you qualify for of $343,197.
- Affordable payment (P&I)
- $1,790.00
- Maximum loan
- $283,197
- Limited by
- Housing ratio
- Maximum price
- $343,197
The formula
Affordable P&I = lesser of (income × front-end % − taxes & insurance) and (income × back-end % − debts − taxes & insurance). Max loan = present value of that payment.
Results are estimates for educational purposes and are not financial advice. Confirm exact figures with your lender, plan administrator or advisor.
Questions about the mortgage qualifier calculator
How much house can I qualify for?
It depends on your income, debts and the lender’s DTI limits. The calculator finds the payment you can support under both the housing and total-debt caps, then the price it buys.
What are front-end and back-end ratios?
Front-end limits housing costs to a share of income (often 28%); back-end limits all debt payments (often 43%). Lenders use the lower of the two to set your maximum.
Does qualifying mean I should borrow that much?
No — it is a ceiling, not a target. Borrowing below your maximum leaves room for savings, emergencies and life’s other costs.
Is the Mortgage Qualifier Calculator free to use?
Yes. Every calculator on FinCalculators is completely free, with no sign-up, login or paywall. You can run as many scenarios as you like.