HELOC Calculator

Current Home Value ($)Enter a valid home value.

Remaining Mortgage Balance ($)Enter a valid balance.

Lender's Max Combined LTV (%)

Estimated Available HELOC

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Current Home Equity

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How to Use This Tool

Enter your home's current market value.
Enter your remaining mortgage balance.
Adjust the max combined LTV if your lender specifies a different limit (85% is common), then calculate.

How HELOC Availability Is Calculated

A Home Equity Line of Credit (HELOC) lets you borrow against the equity you've built in your home. Lenders typically cap how much you can borrow based on a Combined Loan-to-Value (CLTV) ratio — the total of your mortgage plus the new HELOC, relative to your home's value:

Available HELOC = (Home Value × Max CLTV%) − Current Mortgage Balance

Why Lenders Cap at Less Than 100%

Lenders keep a buffer (commonly capping combined loans at 80-85% of home value) to protect against a decline in home value and to reduce their risk if you're unable to repay. The exact maximum CLTV varies by lender, your credit profile, and current market conditions.

What a HELOC Is Typically Used For

Home renovations and improvements
Debt consolidation at a potentially lower rate than credit cards
Emergency funds or large one-time expenses

Important Consideration

A HELOC is secured by your home — failure to repay can put your home at risk of foreclosure, unlike unsecured debt like credit cards. Always borrow within your means to repay comfortably.

Frequently Asked Questions

What is a typical maximum CLTV for a HELOC?

Many lenders cap combined loan-to-value around 80-85%, though this varies by lender, your credit score, and current market conditions — some may go higher or lower.

Is a HELOC the same as a home equity loan?

No — a HELOC is a revolving line of credit you draw from as needed (similar to a credit card), while a home equity loan provides a lump sum upfront with fixed repayment terms.

This calculator is provided for general informational and estimation purposes only. Results should not be treated as professional financial, tax, legal, medical, or engineering advice. Always verify critical calculations with a qualified professional or official source before making decisions.