What is a good debt to income ratio? (and how to lower yours)

Lenders love a single number that tells them whether you can handle more debt. That number is your debt-to-income ratio, and it quietly shapes every major financial decision you'll make, from buying a house to refinancing a car loan.

If you've ever been denied for a mortgage or offered a terrible interest rate, your DTI was probably the reason. Let's break down exactly what it is, how to calculate yours, and what you can do if it's too high.

What is a debt-to-income ratio?

Your debt-to-income ratio (DTI) is the percentage of your gross monthly income that goes toward debt payments. It's a simple formula:

DTI = Total Monthly Debt Payments / Gross Monthly Income x 100

According to the Consumer Financial Protection Bureau, lenders use DTI as one of the primary measures of your ability to manage monthly payments and repay borrowed money. The lower your DTI, the less risky you look to a lender.

How to calculate your DTI (step by step)

This takes about five minutes. Grab your latest statements and follow along.

Step 1: Add up all your monthly debt payments. Include your mortgage or rent payment, car loan, student loans, minimum credit card payments, and any personal loans. For example: $1,200 mortgage + $350 car payment + $200 student loan + $150 credit cards + $100 personal loan = $2,000 per month.

Step 2: Find your gross monthly income. That's your income before taxes and deductions. If you earn $72,000 a year, your gross monthly income is $6,000.

Step 3: Divide and multiply. $2,000 / $6,000 = 0.33, or 33% DTI.

A 33% DTI puts you in decent shape for most loans, but there's room for improvement. Keep reading to see where you fall on the scale.

What counts as debt (and what doesn't)

This trips people up. Not every bill counts toward your DTI.

Counts as debt: Mortgage or rent, car loans, student loans, credit card minimum payments, personal loans, medical debt in collections, child support, and alimony.

Does NOT count: Utilities (electric, water, gas, internet), streaming subscriptions, groceries, insurance premiums, phone bills, and gym memberships.

The distinction matters. Lenders only care about obligations that show up on your credit report. Your $200 grocery bill doesn't factor in, but that $50 minimum payment on a store credit card absolutely does. If you're carrying hidden debt costs you haven't accounted for, your real DTI might be higher than you think.

DTI ranges: where do you stand?

Under 20%: Excellent. You're in great shape. Lenders will compete for your business, and you'll qualify for the best rates on mortgages and auto loans. This is the sweet spot.

20% to 36%: Good. Most lenders consider this a healthy range. You'll qualify for most loans without issues. This is where the majority of approved mortgage applicants fall.

36% to 43%: Acceptable, barely. Some mortgage lenders will still approve you, especially FHA loans, but you're pushing the limits. You'll likely pay higher interest rates. The CFPB notes that 43% is generally the highest DTI a borrower can have and still qualify for a qualified mortgage.

Over 43%: Red flag. Most conventional lenders will say no. You're spending nearly half your income on debt, which leaves very little margin for emergencies. If you're in this range, it's time to take action.

Why your DTI matters more than you think

Your DTI affects almost every financial move you'll make.

Mortgage applications: This is where DTI matters most. Fannie Mae and Freddie Mac typically cap DTI at 45% to 50%, but you'll get far better rates under 36%. A few percentage points on a 30-year mortgage can mean tens of thousands of dollars in extra interest.

Auto loans: Lenders check DTI before approving car loans. A high DTI means higher APR, or a flat-out denial. If you're looking to negotiate a lower APR, having a strong DTI gives you leverage.

Credit card approvals: Credit card issuers consider DTI when setting your credit limit. A lower DTI often means a higher limit, which also helps your credit utilization ratio.

Refinancing: Want to refinance your student loans or mortgage to a lower rate? Your DTI at the time of application determines what you qualify for. The Federal Reserve's consumer credit data shows total household debt is still climbing, making DTI management more important than ever.

5 ways to lower your DTI fast

You can move the needle on your DTI from two directions: shrink your debt payments, or grow your income. Here are the most effective approaches.

1. Pay down your smallest debt first. Eliminating one monthly payment entirely drops your DTI immediately. If you owe $800 on a credit card with a $50 minimum payment, paying it off removes that $50 from your DTI calculation. The snowball method works well here because it gives you quick wins that directly improve your ratio.

2. Increase your income. A side gig, freelance work, or overtime shifts raise the bottom number in your DTI equation. Even an extra $500 per month in gross income can drop your DTI by several points. The math works in your favor here since every dollar of income counts.

3. Refinance to lower monthly payments. Refinancing high-interest debt to a lower rate, or extending your repayment term, reduces your monthly obligation. This doesn't reduce what you owe, but it does lower the payment that counts toward DTI. Just watch out for the total interest cost over the life of the loan.

4. Avoid taking on new debt. This sounds obvious, but it's the most common mistake people make. Every new loan or credit card balance adds to your monthly obligations. If you're planning to apply for a mortgage in the next six to twelve months, freeze your borrowing.

5. Ask for a raise. This one takes guts, but it's the most permanent fix. A $5,000 annual raise adds roughly $417 to your gross monthly income. Combine that with paying down a small debt, and you could drop your DTI by 5 to 8 points in a few months.

Front-end vs. back-end DTI

You might hear lenders mention two different DTI numbers. Here's the difference.

Front-end DTI (sometimes called the housing ratio) only includes housing costs: your mortgage principal, interest, taxes, insurance, and HOA fees. Most lenders want this under 28%.

Back-end DTI includes all your monthly debt obligations, housing costs plus car loans, student loans, credit cards, and everything else. This is the number most people mean when they say "DTI," and it's the one with the 36% to 43% thresholds.

When you apply for a mortgage, lenders look at both. You could have a great back-end DTI but get flagged if your housing costs alone eat up 35% of your income.

How Toya helps you lower your DTI automatically

Tracking your DTI is useful. Actually lowering it requires a plan that adapts as your finances change.

Toya connects to your accounts and builds a personalized AI-powered payoff plan that optimizes which debts to pay down first. As you make payments, your plan adjusts in real time. Pay off a credit card? Your DTI drops and Toya recalculates your next best move.

Instead of manually running the DTI formula every month, you get a living plan that tracks your progress. Every payment you make through Toya's system is designed to reduce your total monthly obligations as efficiently as possible, which directly improves your DTI.

If you're trying to get your DTI under a specific threshold for a mortgage or loan application, having a tool that shows you exactly when you'll hit that target makes the difference between guessing and knowing.

See how Toya's AI payoff plans work and start lowering your DTI today.