Can You Qualify for a Mortgage? Calculate Your DTI and Exactly What It Takes
Your debt-to-income ratio is one of the first numbers mortgage lenders check. DTIReady calculates your current DTI, shows qualification status for conventional, FHA, and VA programs, and tells you the exact monthly debt reduction needed to meet each threshold.
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Frequently Asked Questions
What is a debt-to-income ratio (DTI)?
DTI is the percentage of your gross monthly income that goes toward debt payments. Lenders use two versions: front-end DTI covers only housing costs (mortgage principal, interest, taxes, insurance), while back-end DTI includes all recurring debt obligations — housing plus auto loans, student loans, credit card minimums, and any other monthly debt payments. Back-end DTI is the primary qualification metric for most mortgage programs.
What DTI ratio do I need to qualify for a conventional mortgage?
Most conventional lenders (Fannie Mae / Freddie Mac) accept back-end DTI up to 45%, with some automated underwriting approvals reaching 50% for borrowers with compensating factors like strong credit scores or large down payments. The CFPB's Qualified Mortgage rule established 43% as the standard threshold, and staying at or below 43% gives you access to the broadest range of lenders and rates.
Does FHA allow higher DTI ratios?
Yes. FHA loans allow back-end DTI up to 57% for borrowers with credit scores of 620 or higher and automated underwriting approval. The standard FHA threshold without automated approval is 43% back-end / 31% front-end. FHA is often the first option for buyers who cannot reduce their DTI to conventional levels, though FHA loans require mortgage insurance premiums that increase the total cost.
What is the fastest way to lower my DTI before applying for a mortgage?
The fastest method is paying off or paying down revolving accounts (credit cards) because eliminating the monthly minimum payment immediately reduces your back-end DTI. Paying off a car loan or student loan in full has the same effect but requires more capital. Increasing income — through a raise, second job, or documented rental income — also improves DTI. Avoid taking on any new debt obligations for 6–12 months before applying.