How do I calculate my debt-to-income ratio and why does it matter?

The short answer:

Your debt-to-income ratio (DTI) compares your total monthly debt payments to your gross monthly income to help lenders see if you can comfortably afford a loan. Most lenders prefer to see a DTI below 36%, although some may accept ratios up to 43% depending on other factors.

African American Business Data Analyst Woman Using Computer

Jump to a section:

Key takeaways:

  • The magic number: Lenders typically look for a DTI below 36% when evaluating your creditworthiness.
  • The calculation: You find this number by dividing your total recurring monthly debt by your gross monthly income.
  • Credit score impact: While DTI doesn't directly change your credit score, a high ratio often points to high credit utilization, which makes up 30% of your score.
  • Improvement strategy: To lower your DTI, focus on paying down high-interest debts first and avoid taking on new loans.

Taking a closer look at your debt can feel overwhelming, but it's actually a powerful step toward financial clarity. By understanding how lenders view your income versus your obligations, you're not just preparing for a loan applications. You're building a roadmap that helps you use your money in a way that reflects your values and supports the life you want to live.

What is a good debt-to-income ratio?

Your debt-to-income ratio (DTI) is a simple comparison of your total monthly debt payments against your total monthly income. It's a snapshot that tells lenders how much you can comfortably afford to borrow. Generally, lenders look for a DTI below 36%. While some may consider applicants with ratios up to 43%, keeping your number lower is usually better for your financial health.

If you find your DTI is higher than 36%, don't worry. It just means it's time to focus on your roadmap. You might need to pay down existing debt or take steps to improve your credit score, like correcting errors on your credit report, before applying for a major loan.

How to calculate your DTI

You can figure this out on your own with some simple math. First, add up all your recurring debts. This includes things like rent, mortgage, credit cards, student loans, and other financial obligations. Next, divide that sum by your gross monthly income. The result is your percentage.

A real-world calculation

Let's look at an example. Imagine your total monthly debt obligations equal $3,800. If your gross monthly income is $8,000, here is how the math looks:

3,800 / 8,000 = 47.5%

In this scenario, your DTI is 47.5%.

A second example

Let's try a hypothetical scenario with lower numbers. Suppose your car loan is $300 a month and your student loan bill is $250. Your total monthly debt is $550. If your gross monthly income is $5,000, you divide 550 by 5,000 to get 0.11.

Multiply that by 100, and you have an 11% DTI. This means 11% of your income goes toward debt payments. If you want to skip the manual math, the Consumer Financial Protection Bureau (CFPB) offers a calculator you can use.

Understanding front-end vs. back-end ratios

When you apply for a mortgage, lenders actually look at two different versions of this ratio to check your eligibility.

Front-end ratio

This is often called the housing ratio. It looks strictly at the percentage of your gross income that goes toward housing expenses. This includes your mortgage payment, property taxes, homeowners insurance, and association dues.

Back-end ratio

This covers everything. It's the percentage of your income needed to pay all monthly debt obligations. This includes the mortgage plus auto loans, credit card payments, child support, personal loans, and any other revolving debt on your credit report.

DTI vs. credit utilization

It's easy to confuse your debt-to-income ratio with your debt-to-limit ratio (also called credit utilization), but they serve different purposes.

Your DTI measures income against debt payments. Your credit utilization ratio measures your debt balances against your available credit limits. Lenders want to see if you're maxing out your credit cards.

Does DTI affect my credit score?

Technically, no. Credit bureaus don't use your income to calculate your score, so DTI has minimal direct impact. However, the two are often linked. People with a high DTI often have a high credit utilization ratio. Since utilization makes up 30% of your credit score, a high debt load can still hurt your standing.

Strategies to lower your ratio

If your ratio is higher than you'd like, there are clear steps you can take to lower it.

  • Attack the interest: The best way to lower your DTI is to pay down existing debt. Focus on the debts with the highest interest rates first to save money over time.
  • Pay more than the minimum: Whenever possible, pay more than the minimum due. This reduces your principal faster.
  • Hit pause on borrowing: Avoid taking out new loans or opening new credit cards until your DTI is back in a reasonable range.
  • Stick to a spending plan: Create a budget and stick to it. This helps you find extra cash to reduce your overall debt burden.

Finally, keep an eye on your credit report. Monitoring it helps you spot errors or suspicious activity that could drag down your score while you work on your DTI.

The Facet difference

At Facet, we believe your financial value isn't defined by a single ratio. While metrics like DTI are important, they are just one part of your larger story. We pair you with a CFP® professional who looks at your entire financial life - from debt and cash flow to retirement and goals. We don't sell products or charge commissions, so our advice is objective and focused on helping you live well today while planning for tomorrow.

Ready to get more organized and have more clarity with your money? Schedule a free call with Facet. We’ll show you how a personalized financial roadmap, built for you by a CFP® professional, can turn your money into a tool to help you live a better life today, and feel more confident about tomorrow.

Disclosures

The information, opinions, and market data presented herein are prepared by Facet Wealth, Inc. (“Facet”), an SEC-registered investment adviser, for educational and informational purposes only and does not constitute individualized investment, financial, tax, or legal advice, nor a recommendation or offer to buy or sell any security.

Market data and economic commentary referenced are obtained from sources believed to be reliable and are confirmed accurate as of the date of publication. Facet assumes no obligation to update or supplement this material to reflect subsequent market shifts or developments.

Investing involves inherent risk, including the possible loss of principal. Past performance is no guarantee of future results. Asset allocation and diversification strategies do not ensure a profit or protect against loss in declining markets. SEC registration does not imply a certain level of skill or training.

©2026 Facet Wealth, Inc. All Rights Reserved

FAQs

Most lenders prefer a DTI below 36%, but some will approve loans with a ratio up to 43% depending on your credit history and other factors.

No, credit bureaus do not consider your income when calculating your score. However, your debt levels (credit utilization) do account for 30% of your score.

Your DTI includes recurring monthly debts like rent, mortgages, auto loans, student loans, credit card minimums, personal loans, and child support.

About Facet

Facet is a national, SEC-registered investment advisor (RIA) and consumer fintech leader dedicated to making expert financial planning accessible to everyone.

Through a transparent, flat-fee membership model, Facet provides objective guidance designed to put the member’s best interest first—always. Unlike traditional firms that often take a cut of your returns or charge by the hour, Facet’s affordable fee doesn’t change even as your money grows, helping you keep more of your own money for the life you want to live.

Facet combines user-friendly technology with a dedicated team of CERTIFIED FINANCIAL PLANNER® professionals to deliver a personalized roadmap for every aspect of a member’s financial life. This comprehensive approach covers everything from the big milestones to everyday decisions—including investment management, tax strategy, equity compensation, and retirement planning—evolving as your life and opportunities unfold. Facet’s mission is to empower individuals to move beyond “standard” advice, helping them make confident decisions and live more enriched lives through financial planning the way it should be: simple, guided, and all about you.

Explore more articles

A senior woman sitting at a kitchen table reviewing financial paperwork and investment documents while using a laptop.

Should you still own bonds given today's market risks?

The U.S. bond market faces a number of challenges for the remainder of 2026 and into 2027, which is leaving some investors in bonds worried about whether their money is at risk. I spent many years as a bond portfolio manager earlier in my career, and I do think the bond market faces some real ... Read more

7 Min Read
A mature woman wearing glasses sitting in a brightly lit kitchen, using her smartphone while working on a laptop with financial documents nearby to review Medicare IRMAA costs.

Should you really avoid IRMAA in retirement?

It is entirely natural to feel protective over the nest egg you spent decades building. When you are living on a fixed income, seeing a sudden increase in your monthly health insurance costs can feel like a setback. However, making decisions purely out of fear of a Medicare surcharge can accidentally cost you far more ... Read more

5 Min Read
Two female professionals reviewing business strategy report and laptop in modern office

What is investment management? A guide to services, fees, and choosing a firm

What is investment management? If a firm is offering investment management as one of their services, how does that differ from other kinds of investment advice? Unfortunately, the financial industry doesn’t make it easy to make these distinctions. Terms like financial advisor, portfolio manager, financial planner, investment manager, etc., are often used by different firms ... Read more

5 Min Read

Get started

To schedule a free consultation with a Facet expert, fill out the form below and we will contact you within 24 hours.

This field is for validation purposes and should be left unchanged.
This field is hidden when viewing the form
This field is hidden when viewing the form
This field is hidden when viewing the form
This field is hidden when viewing the form
This field is hidden when viewing the form
This field is hidden when viewing the form
This field is hidden when viewing the form

By submitting this form, you acknowledge that you have directly provided the email and phone number contact information listed, further acknowledge that Facet Wealth has the option to use either method to contact you, and agree to the terms set forth in our Company Privacy Notice. Message frequency varies, and message and data rates may apply. Reply STOP to opt-out of messages, and email [email protected] for help

OR
To speak with someone now, call us at
1-888-826-6401