Qualifying
What is debt-to-income ratio and how do you calculate it?
Debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes toward monthly debt payments. You calculate it by dividing your total monthly debt obligations by your gross monthly income. Lenders use it to gauge whether you can afford additional debt.
The full picture
How to calculate your DTI
Add up all your required monthly debt payments: mortgage or rent, car loans, student loans, minimum credit card payments, personal loan payments, and any other recurring debt obligations. Divide that total by your gross monthly income (before taxes). Multiply by 100 to get a percentage. For example: $1,800 in monthly debt ÷ $5,000 gross monthly income = 0.36, or a 36% DTI. The CFPB defines DTI as your total monthly debt payments divided by your gross monthly income, expressed as a percentage.
What DTI ranges mean to lenders
- Below 36% — generally considered manageable; most lenders view this favorably for unsecured credit.
- 37–43% — the upper boundary for qualified mortgages under traditional lending standards; personal loan lenders may still approve but terms tighten.
- 44–49% — elevated risk tier; fewer lenders will approve new debt at competitive rates.
- 50%+ — most lenders view this as overleveraged; approval for new consumer credit becomes difficult.
Front-end vs. back-end DTI
Mortgage lenders often distinguish two DTI calculations. Front-end DTI counts only housing costs (mortgage principal, interest, taxes, insurance) as a share of gross income — lenders typically want this below 28–31%. Back-end DTI ("total DTI") includes all monthly obligations and is the figure most commonly referenced in personal loan underwriting. For personal loans and credit decisions outside of mortgages, lenders almost always focus on the back-end number.
By the numbers
- DTI is calculated by dividing total monthly debt payments by gross monthly income. Lenders use this ratio to determine whether you can take on additional debt responsibly. — CFPB
- The Federal Reserve tracks household debt service payments as a percentage of disposable personal income at the aggregate level. — Federal Reserve
- The CFPB's Ability-to-Repay / Qualified Mortgage rule historically referenced a 43% DTI threshold for qualified mortgages. — CFPB
Key takeaways
- DTI = total monthly debt payments ÷ gross monthly income × 100.
- Below 36% is the broadly accepted target for consumer creditworthiness; above 43% raises flags for most lenders.
- Personal loan lenders focus on back-end DTI (all obligations); mortgage lenders also track front-end DTI for housing costs alone.
- Lowering DTI requires either paying down existing debts or increasing gross income — or both.
Frequently asked questions
What counts as a debt payment in a DTI calculation?
Any required monthly debt obligation: mortgage or rent, car loan payments, student loan payments, minimum credit card payments, personal loan payments, and other recurring debt. Add those up and divide by your gross (pre-tax) monthly income, then multiply by 100 to get a percentage.
What DTI do lenders consider acceptable?
Below 36% is generally viewed favorably for unsecured credit. 37-43% is the upper boundary traditionally used for qualified mortgages, and personal loan lenders may still approve within that range but with tighter terms. 44-49% is an elevated risk tier with fewer approvals at competitive rates, and 50%+ is typically considered overleveraged, making new consumer credit approval difficult.
What's the difference between front-end and back-end DTI?
Front-end DTI counts only housing costs — mortgage principal, interest, taxes, and insurance — as a share of gross income, and mortgage lenders typically want this below 28-31%. Back-end DTI includes all monthly debt obligations and is the figure most commonly used in personal loan underwriting outside of mortgages.
How do you lower your DTI?
There are only two levers: pay down existing debts to shrink the numerator, or increase your gross income to grow the denominator — or do both at once. Either move directly lowers the ratio lenders use to gauge how much additional debt you can take on.
Published 2026-05-22 · Updated 2026-05-22 · https://clearvaluelending.com/answers/what-is-debt-to-income-ratio