When you buy a home or borrow against one, lenders look at more than just your income and credit score. One of the biggest factors is your loan-to-value (LTV) ratio.

LTV compares how much you’re borrowing against how much your home is worth. That number can affect whether you qualify, what interest rate you receive, and whether you’ll have to pay added costs like private mortgage insurance.

What Is Loan to Value?

The loan-to-value ratio measures how much debt you’re taking on compared to the value of the property securing the loan.

In general, higher LTV ratios mean more risk for the lender because you’re borrowing a larger percentage of the home’s value and putting less equity into the property upfront.

How Do You Calculate Loan to Value?

To calculate loan-to-value ratio, divide the loan amount by the home’s value, then multiply by 100 to convert it into a percentage. For example, assuming the loan amount is $180,000 and the home value is $240,000, you’d calculate LTV like so:

$180,000 ÷ $240,000 = 75% LTV

One detail that trips people up is which home value the lender uses. In many cases, lenders use the lower of the appraised value and the purchase price. As a result, even if you agree to pay more for a house, your lender may still calculate LTV using a lower appraisal.

How Loan to Value Affects Mortgage Approval and Rates

LTV helps lenders estimate how much risk they’re taking on. The higher the ratio, the less equity you have in the home and the more exposed the lender becomes if property values fall or payments stop.

That’s why higher LTV loans often come with:

• Higher interest rates
• Stricter approval standards
• Mortgage insurance requirements
• Larger monthly payments

Even a manageable interest rate can become expensive once mortgage insurance gets added on top.

What Is a Good Loan-to-Value Ratio for a Mortgage?

There’s no universal perfect LTV, but lower ratios generally lead to better loan terms. For conventional mortgages, 80% LTV is an important benchmark because borrowers who put down less than 20% usually need private mortgage insurance (PMI).

That doesn’t mean higher LTV loans are uncommon. Many buyers, especially first-time homeowners, purchase homes with smaller down payments. The tradeoff is usually higher monthly costs or tighter lending requirements..

What Is the Difference Between Loan to Value And Combined Loan to Value?

Standard LTV looks at a single loan against the home’s value. Combined loan-to-value ratio (CLTV) includes multiple loans secured by the same property.

For example, if you have a primary mortgage and a home equity loan, CLTV combines both balances before comparing them to the home’s value.

You may also see HCLTV, which is commonly used with HELOCs. Unlike standard CLTV, HCLTV may calculate the ratio using the HELOC’s full credit limit, even if you haven’t borrowed the entire amount yet.

Why Loan to Value Matters Outside Mortgages

LTV often shows up in mortgage discussions, but the metric can also apply to any other type of secured debt.

For example, auto loans can actually exceed 100% LTV when you roll taxes, fees, or old loan balances into a new car loan. That creates negative equity, meaning the borrower owes more than the vehicle is worth.

The same general principle applies anywhere debt is tied to an asset. The more you borrow relative to the asset’s value, the less financial cushion exists if prices drop or you need to sell quickly.

What to Check Before Borrowing

Before taking out a mortgage or home equity loan, ask your lender how your LTV affects the borrowing and repayment terms. In many cases, that includes your:

If your loan includes PMI, it’s worth understanding when that insurance can eventually come off. Under federal law, many borrowers can request PMI cancellation once the loan balance reaches 80% of the home’s original value, assuming other requirements are met.

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