Debt-to-Income Ratio Calculator
Calculate your DTI ratio and see how lenders assess your borrowing capacity.
Embed this toolInclude credit cards, car loans, student loans, and existing mortgages.
Your total monthly income before taxes and deductions.
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Know the Number Lenders See First
Lenders make their first yes-or-no decision long before they read every line of your credit report. They look at your debt-to-income ratio (DTI) — the share of your gross monthly income that already goes toward debt. Our Debt-to-Income Ratio Calculator gives you that same number in seconds, so you can walk into a mortgage, auto, or personal loan conversation knowing exactly where you stand.
What This Calculator Does
This calculator divides your total monthly debt payments by your gross monthly income and returns your DTI as a percentage. It also places the result into one of four risk bands: excellent (20% or below), good (21%–36%), fair (37%–43%), or poor (above 43%). The color-coded gauge shows how close you are to the thresholds lenders commonly use, making it easy to see whether your ratio is improving or needs attention.
How to Use It
- Add your recurring monthly debt payments. Include credit card minimums, car loans, student loans, personal loans, child support, alimony, and any existing mortgage.
- Enter your gross monthly income. Use the amount you earn before taxes, health insurance, and retirement contributions are withheld.
- Read your DTI percentage. The gauge updates instantly and shows which risk band you fall into.
- Adjust the numbers. Test how paying off a loan or adding a new payment changes your ratio.
Common Use Cases
- Mortgage pre-approval: See whether you meet the 36% or 43% limits most lenders use before you house hunt.
- Auto loan shopping: Compare how a new car payment changes your DTI.
- Personal loan planning: Decide if consolidating debt improves your ratio before you apply.
- Budget check: Track your debt load over time as you pay down balances.
- Refinance screening: Confirm you are not taking on more than you can handle.
Worked Example
Imagine your gross monthly income is $6,000 and your recurring debts are $450 for a car loan, $300 for student loans, $150 for credit card minimums, and $200 for a personal loan. That totals $1,100 in monthly debt. Divide $1,100 by $6,000 and multiply by 100 to get a DTI of 18.3%. That falls into the excellent band, leaving plenty of room for a future mortgage payment.
Tips for Using the Results
- Use gross income, not take-home pay, because lenders calculate DTI the same way.
- Include only the minimum payments on credit cards unless you want a conservative view.
- Ask mortgage lenders whether they want front-end (housing only) or back-end (all debt) DTI.
- Do not count utilities, groceries, or non-debt insurance premiums.
- If your DTI is high, focus on paying off the smallest monthly obligations first — eliminating a $200 payment helps your ratio more than paying down a low-minimum credit card.
Frequently Asked Questions
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