If you’ve been thinking about buying a home, you’ve probably heard the term debt-to-income ratio, or DTI.

It’s one of the key numbers lenders use to determine whether you qualify for a mortgage—and how much home you can realistically afford.

What Is Debt-to-Income Ratio?

Your debt-to-income ratio is the percentage of your monthly income that goes toward paying debts.

To calculate it, you take your total monthly debt payments and divide that by your gross monthly income (before taxes).

This includes:

• Credit cards

• Car loans

• Student loans

• Minimum debt payments

• Any other recurring obligations

The result is a percentage that gives lenders a snapshot of how much of your income is already committed.

Why DTI Matters

Lenders use your DTI to evaluate risk.

A lower DTI shows that you have a healthy balance between income and debt, making you more likely to handle a mortgage payment comfortably.

A higher DTI can signal that you may already be stretched financially, which can make lenders hesitant to approve a loan.

What’s Considered a “Good” DTI?

While guidelines can vary, here’s a general breakdown:

• Under 36% → Strong position

• 36%–43% → Acceptable, but may raise concerns

• 43%+ → More difficult to qualify

• 50%+ → Typically considered too high

Most lenders prefer that:

• No more than 28% of your income goes toward your housing payment

• No more than 36% total goes toward all debts combined

How DTI Affects Your Buying Power

Your DTI doesn’t just determine approval—it also affects how much home you can afford.

For example, if your monthly income is $5,000:

• Lenders may want your housing payment around $1,400 or less

• Total monthly debt ideally stays under $1,800

The lower your DTI, the more flexibility you’ll have when shopping for a home.

DTI vs. Credit Score (Important Difference)

Your debt-to-income ratio does not directly impact your credit score.

However, lenders will look at both:

• Your DTI (how much you owe vs. earn)

• Your credit score (how you manage credit)

Another important factor is credit utilization, which is how much of your available credit you’re using. Ideally, that should stay below 30%.

The Bottom Line

Your debt-to-income ratio is one of the most important factors in getting approved for a mortgage.

If your DTI is on the higher side, focusing on paying down debt or increasing income can improve your chances and expand your options.

If you’re thinking about buying and want to understand what your numbers look like in today’s market, I’m always happy to walk you through it.