DTI is the percentage of your gross monthly income that goes to debt payments

DTI stands for debt-to-income ratio. It is a number lenders use to decide whether to lend you money and how much. DTI measures what fraction of your monthly paycheck goes toward paying debts — credit cards, car loans, student loans, mortgages, and similar obligations.

Lenders calculate it by adding up all your monthly debt payments and dividing by your gross monthly income (the money you earn before taxes). If you make $5,000 a month and your debt payments total $1,500, your DTI is 30 percent. The lower your DTI, the more attractive you look to a lender, because it means you have more money left over to pay a new loan.

DTI matters most when you are trying to borrow money — for a mortgage, car loan, or personal loan. Some lenders will not lend to you at all if your DTI is too high. Others will lend but charge you a higher interest rate. A few will require you to pay down existing debt before they will approve you.

Key Takeaways

  • DTI is calculated by dividing your total monthly debt payments by your gross monthly income, expressed as a percentage.
  • Most mortgage lenders prefer a DTI of 43 percent or lower, though some will go higher if you have strong credit or savings.
  • DTI includes only regular monthly debt obligations — credit cards, loans, and similar payments — not groceries, utilities, or rent you do not owe yet.
  • You can lower your DTI by paying down debt, increasing your income, or both.
  • Different lenders use different DTI thresholds, so being turned down by one lender does not mean all lenders will reject you.

What counts and what does not count in your DTI

DTI includes only recurring monthly debt payments — obligations you owe every month that show up on your credit report. This means credit card minimum payments, car loan payments, student loan payments, mortgage payments, personal loan payments, and court-ordered child support or alimony.

DTI does not include utilities, groceries, insurance premiums, rent you do not currently owe (though a future mortgage payment does count), phone bills, or one-time expenses. It also does not include money you owe but have not yet been billed for — for example, a credit card balance you have not been charged interest on yet does not count until the payment is due.

Some lenders count only the minimum payment on a credit card. Others count a percentage of your available credit (often 5 percent) whether you are using it or not. This variation matters: if you have a $10,000 credit card limit and carry a $2,000 balance, one lender might count $100 a month (5 percent of the limit), while another counts only your actual minimum payment of $40. Always ask a lender which method they use.

Why lenders use DTI instead of just looking at your credit score

Your credit score tells a lender whether you have paid past debts on time. Your DTI tells them whether you have enough income left over to pay a new debt. A person with excellent credit but a DTI of 60 percent might default on a new loan straightforward because they do not have the cash flow, even though they have always paid on time before.

DTI is a measure of capacity, not character. A lender cares about both. You might have never missed a payment in your life, but if 80 percent of your income already goes to debt, you are at risk of missing payments on a new loan if your income drops or an emergency happens. DTI captures that risk in a single number.

Typical DTI thresholds lenders use

Most conventional mortgage lenders prefer a DTI of 43 percent or lower. Some will go up to 50 percent if you have a credit score above 740, significant savings, or a stable income history. A few specialized lenders will go higher, but you will usually pay a higher interest rate.

Auto lenders are often more flexible — many will lend at DTI ratios of 50 percent or higher. Personal loan lenders vary widely; some focus on credit score and ignore DTI, while others have strict limits. Credit card companies do not calculate DTI the same way, but they do look at your debt-to-credit ratio (how much of your available credit you are using) as a sign of risk.

These are guidelines, not rules. A lender might approve you at 55 percent DTI if you have other strengths, or reject you at 35 percent if your income is unstable or you have recent late payments. Always ask a lender what their specific threshold is before you explore.

How to calculate your own DTI

Start by listing every monthly debt payment you owe: credit cards (use the minimum payment or the lender's calculation), car loans, student loans, mortgage or rent if you are already obligated, personal loans, and child support or alimony. Add them all up.

Next, find your gross monthly income. This is your salary before taxes, not your take-home pay. If you are self-employed or have variable income, use an average of the last two years. If you are newly employed, use your current salary.

Divide total monthly debt payments by gross monthly income. Multiply by 100 to get a percentage. For example: ($1,500 in debt payments ÷ $5,000 gross income) × 100 = 30 percent DTI.

If you are explore for a mortgage, the lender will do this calculation themselves using their own method for counting credit card debt. Your own calculation gives you a rough idea of where you stand.

How to lower your DTI before explore for a loan

The fastest way to lower DTI is to pay down debt, especially high-balance accounts. Paying off a $5,000 credit card balance reduces your monthly minimum payment and lowers your DTI when ready. Even paying down a few thousand dollars can move you from 50 percent DTI to 45 percent, which opens up more lenders and better rates.

The second way is to increase your income. If you get a raise, a second job, or a bonus, your DTI drops without you paying down any debt. This is why some people wait to explore for a mortgage until after a promotion or a spouse returns to work.

You can also do both at once: use a raise to pay down debt faster. This is slower but often more realistic than trying to pay off thousands of dollars in a few months.

Do not close credit card accounts to lower your DTI. Closing an account lowers your available credit, which can hurt your credit score and actually raise your DTI if the lender counts a percentage of available credit. Pay down the balance instead.

DTI for self-employed and variable-income earners

If you are self-employed or your income varies month to month, lenders typically average your income over the last two years. Some use the last two years of tax returns; others ask for recent pay stubs, bank statements, or profit-and-loss statements.

This can work in your favor if your income is trending upward — a lender might use an average that is higher than your current month. It can work against you if your income dropped recently, because the average includes the higher years.

Be honest about your income. Lenders verify it with tax returns and bank records. Overstating your income is fraud and can result in loan denial, legal action, or foreclosure if discovered after closing.

Frequently Asked Questions

What is a good DTI ratio?

Below 36 percent is considered good by most lenders. Between 36 and 43 percent is acceptable for mortgages. Above 43 percent makes borrowing harder and more expensive. However, different lenders have different standards, and other factors like credit score and savings matter too.

Does rent count toward DTI?

Only if you are explore for a mortgage. Lenders add your future mortgage payment to your existing debts to calculate your total DTI. Current rent does not count because you will no longer owe it once you own the home. Some lenders ask about rent to verify your income stability.

Can I lower my DTI by paying off a credit card completely?

Yes, but only if you close the account or stop using it. If you pay off the balance but keep the account open and active, some lenders still count a percentage of the available credit as a monthly obligation. Ask your lender which method they use before you pay anything off.

What if my DTI is too high to get approved?

You have three options: pay down debt to lower your DTI, increase your income, or wait and explore with a different lender who has higher thresholds. Some lenders specialize in higher-DTI borrowers but charge higher interest rates. Do not explore to multiple lenders at once — each process creates a hard inquiry that temporarily lowers your credit score.

Does DTI include my spouse's income and debt?

Only if you are explore for a joint loan or mortgage. If you explore alone, only your income and debt count. If you explore together, both incomes and both debts are included in the calculation. This can help if one spouse has low debt, or hurt if both carry significant balances.