Free tools
Affordability Calculator
See a price range from your income, debts and down payment, the way a lender looks at it.
Car loans, student loans, credit card minimums. Not rent.
Example rate. Ask your lender for today's.
Estimate. Change it to yours. Shown as a share of the price.
Estimate. Change it to yours.
Type your household income to see a price range.
Want me to run your real numbers?
I'll look at your actual home or loan and get back to you with real figures. No obligation.
These calculators give estimates only. Every number depends on your home, your loan and the market, so treat the result as a starting point, not a quote.
How lenders decide what you can borrow
Lenders use two debt-to-income ratios. The front-end ratio is your house payment divided by your gross monthly income. The back-end ratio is all your monthly debt payments, the new house payment included, divided by that same income. This calculator uses the back-end ratio, because it counts everything you owe each month.
You'll see 28%, 31% and 36% quoted like they're the door. They're the old comfort zone. The 43% cap you may read about isn't a hard ceiling anymore either: the Consumer Financial Protection Bureau took it out of the Qualified Mortgage rule in 2021. Today automated underwriting approves FHA loans to roughly 47% on the front end and 57% on the back end, conventional loans to roughly 50% on the back end, and VA sets no fixed cap at all.
Every one of those depends on your credit, your savings, your down payment and your work history. So let a lender look at your whole file before you decide anything about yourself.
More calculators: Home Sale Calculator · Mortgage Calculator
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