Taking out a personal loan can provide access to funds for debt consolidation, home improvements, unexpected expenses, or other financial needs. However, a new personal loan also creates another monthly debt obligation. This can affect your debt-to-income ratio, commonly known as DTI.
Your DTI is an important measure that lenders may use when evaluating whether you can afford additional borrowing. Understanding how a personal loan changes your DTI can help you estimate your borrowing capacity and avoid taking on more debt than your budget can comfortably handle.
What Is Debt-to-Income Ratio?
Debt-to-income ratio compares your total monthly debt payments with your gross monthly income. Gross income means the amount you earn before taxes and other deductions.
The basic formula is:
DTI = (Total Monthly Debt Payments ÷ Gross Monthly Income) × 100
For example, suppose your gross monthly income is $5,000, and your existing monthly debt payments total $1,500.
Your DTI would be:
$1,500 ÷ $5,000 × 100 = 30%
This means 30% of your gross monthly income goes toward the monthly debt obligations included in the calculation.
If you want a more detailed explanation of DTI, including what lenders may consider before approving a loan, read Debt-to-Income Ratio Explained: What Lenders Look at Before Approving Your Loan.
How Does a Personal Loan Increase Your DTI?
When you take out a personal loan, you normally add a new required monthly payment to your existing debt obligations.
Suppose you currently have:
- Auto loan payment: $350
- Student loan payment: $250
- Credit card minimum payments: $200
- Other qualifying debt payments: $200
Your total monthly debt payments are $1,000.
Now suppose you take out a personal loan with a monthly payment of $400.
Your new monthly debt obligations would become:
$1,000 + $400 = $1,400
If your gross monthly income is $5,000, your new DTI would be:
$1,400 ÷ $5,000 × 100 = 28%
Before the personal loan, your DTI was 20%. After adding the new loan payment, it increased to 28%.
This illustrates why lenders may consider the expected payment on a new personal loan when assessing your ability to handle additional debt.
Why Does DTI Matter When Applying for a Personal Loan?
Lenders may use DTI as one part of their assessment of your ability to manage monthly payments.
A lower DTI generally means that a smaller portion of your gross income is already committed to debt payments. A higher DTI means more of your income is committed to existing obligations.
However, DTI is not the only factor lenders consider. Depending on the lender and loan product, other factors may include credit history, income, employment, loan amount, repayment term, and other financial information.
There is also no single DTI limit that applies to every personal loan lender. Requirements can vary between lenders and loan programs.
How a Larger Personal Loan Can Affect DTI
The amount you borrow can directly affect your monthly payment, although the actual payment also depends on the interest rate and repayment term.
For example, consider two hypothetical loans:
- $5,000 loan with a $160 monthly payment
- $15,000 loan with a $480 monthly payment
If your existing debt payments total $1,000 per month and your gross income is $5,000, the first loan would bring your total monthly debt payments to $1,160.
Your DTI would be:
$1,160 ÷ $5,000 × 100 = 23.2%
The second loan would increase your monthly debt obligations to $1,480.
Your DTI would become:
$1,480 ÷ $5,000 × 100 = 29.6%
The examples show how borrowing more can increase the monthly payment and therefore affect DTI.
How Loan Terms Can Influence Your DTI
The repayment term can also affect your DTI because it can influence the required monthly payment.
A longer loan term may result in a lower monthly payment because the balance is spread across more payments. A shorter term can result in a higher monthly payment because the loan must be repaid more quickly.
For example, a $10,000 loan may have different monthly payments depending on whether the repayment period is three years or five years.
However, a lower monthly payment does not necessarily mean lower total borrowing costs. A longer term can allow interest to accumulate over a longer period.
You can learn more about how loan amount, interest rate, term, and fees affect monthly payments in What Is a Personal Loan Monthly Payment and How Is It Calculated?.
Does a Personal Loan Always Hurt Your DTI?
A personal loan does not automatically make your financial situation worse. Its effect depends on how the loan is used and how it changes your monthly debt obligations.
For example, someone may use a personal loan to consolidate multiple debts. If the new loan replaces several existing payments with one lower required monthly payment, the borrower’s DTI could potentially decrease.
However, debt consolidation does not automatically reduce total borrowing costs. The interest rate, fees, repayment term, and new monthly payment all need to be considered.
Borrowers should also avoid accumulating new debt after consolidating existing balances, as this can increase overall debt obligations again.
Personal Loan DTI Example
Consider a borrower with:
- Gross monthly income: $6,000
- Mortgage payment: $1,400
- Auto loan: $350
- Student loan: $250
- Credit card minimum payments: $200
Total monthly debt payments equal $2,200.
The current DTI is:
$2,200 ÷ $6,000 × 100 = 36.7%
Now suppose the borrower takes out a personal loan with a $300 monthly payment.
Total monthly debt payments become $2,500.
The new DTI would be:
$2,500 ÷ $6,000 × 100 = 41.7%
The personal loan increased the DTI by 5 percentage points.
Whether that DTI is acceptable depends on the lender, loan type, and the borrower’s overall financial profile.
Does the Personal Loan Amount Matter More Than the Monthly Payment?
When considering DTI, the required monthly payment is particularly important because DTI measures monthly debt obligations rather than the total amount borrowed.
A $20,000 personal loan with a relatively low monthly payment could affect DTI differently from a $10,000 loan with a much higher monthly payment.
This is why borrowers should consider both the loan amount and the payment structure.
At the same time, focusing only on the monthly payment can be misleading. A longer repayment term may reduce the monthly obligation while increasing total interest.
Before signing a loan agreement, it is useful to calculate the complete borrowing cost. CoreFoxes explains this in How to Calculate the True Cost of a Personal Loan Before You Sign, including interest, fees, repayment terms, and the actual amount of cash received.
How Can You Keep a Personal Loan From Increasing DTI Too Much?
Before applying for a personal loan, review your current financial obligations and calculate your existing DTI.
You can then estimate the new DTI using the expected personal loan payment.
Some practical steps include:
Borrow Only What You Need
Taking a smaller loan can result in a lower monthly payment, depending on the interest rate and term.
Compare Multiple Loan Offers
Different lenders may offer different interest rates, fees, and repayment terms. Comparing offers can help you understand how each option would affect your monthly obligations.
Consider the Loan Term Carefully
A longer term may lower the monthly payment, but it can increase total interest. Consider both monthly affordability and total repayment cost.
Avoid Taking on New Debt
If your DTI is already high, adding several new monthly obligations can make your financial situation more difficult. Consider your existing debt before applying for additional credit.
Review Your Budget
DTI does not include every household expense. Your budget should also account for housing, utilities, food, insurance, transportation, savings, and other regular expenses.
A loan may fit a lender’s DTI requirements while still being uncomfortable for your personal budget.
Final Thoughts
A personal loan can affect your debt-to-income ratio by adding a new monthly debt payment to your existing obligations. The size of the impact depends largely on the loan’s required monthly payment, your current debt payments, and your gross monthly income.
Before applying, calculate your current DTI and estimate what it would become after adding the new loan payment. Also consider the interest rate, APR, fees, repayment term, and total amount you will repay.
Most importantly, do not look at DTI in isolation. A personal loan should fit not only within a lender’s requirements but also within your overall monthly budget and long-term financial plans.
Frequently Asked Questions
Does taking out a personal loan increase DTI?
Usually, yes, because a personal loan generally adds a new required monthly payment to your debt obligations. However, if the loan replaces existing debts and reduces required monthly payments, the overall effect can be different.
How do I calculate my DTI after taking a personal loan?
Add the new personal loan’s required monthly payment to your existing qualifying monthly debt payments. Divide the total by your gross monthly income and multiply by 100.
Can a personal loan lower my DTI?
Potentially. If a personal loan is used to consolidate existing debts and the new required monthly payment is lower than the payments it replaces, your DTI could decrease.
Does a higher personal loan amount always mean a higher DTI?
Not necessarily. DTI is based on monthly debt payments, not simply the amount borrowed. Interest rate and repayment term also influence the monthly payment.
Should I calculate DTI before applying for a personal loan?
Yes. Calculating your current DTI and estimating your DTI after the new loan payment can help you understand how additional borrowing may affect your finances before submitting an application.
