Estimate how much credit you can access based on your home's current market value and your outstanding mortgage balance.
70%
75%
80% (Standard)
85%
90%
Combined Loan-to-Value allowed by the lender.
Understanding Your HELOC Limit
A Home Equity Line of Credit (HELOC) is a revolving line of credit that uses your home as collateral. Unlike a home equity loan, which provides a lump sum, a HELOC allows you to withdraw funds as needed, up to a specific limit.
How the Calculation Works
Lenders typically use a Combined Loan-to-Value (CLTV) ratio to determine your borrowing power. Most lenders permit a CLTV of 80% to 85%. The formula is as follows:
If your home is valued at $400,000 and your lender allows an 80% CLTV, your total maximum borrowing (mortgage + HELOC) is $320,000. If you currently owe $250,000 on your mortgage, your estimated HELOC limit would be $70,000.
Factors That Affect Approval
Credit Score: Higher scores usually unlock lower interest rates and higher CLTV limits.
Debt-to-Income (DTI) Ratio: Lenders want to ensure you can afford the potential new monthly payments.
Appraisal: A professional appraisal will confirm the actual market value of your home.
function calculateHELOC() {
var homeValue = parseFloat(document.getElementById('homeValue').value);
var mortgageBalance = parseFloat(document.getElementById('mortgageBalance').value);
var cltvLimit = parseFloat(document.getElementById('cltvLimit').value) / 100;
var resultDiv = document.getElementById('helocResult');
if (isNaN(homeValue) || isNaN(mortgageBalance) || homeValue <= 0) {
resultDiv.style.display = 'block';
resultDiv.style.backgroundColor = '#fff3cd';
resultDiv.style.color = '#856404';
resultDiv.innerHTML = 'Error: Please enter valid numbers for home value and mortgage balance.';
return;
}
var totalBorrowingPower = homeValue * cltvLimit;
var maxHELOC = totalBorrowingPower – mortgageBalance;
var currentLTV = (mortgageBalance / homeValue) * 100;
resultDiv.style.display = 'block';
if (maxHELOC <= 0) {
resultDiv.style.backgroundColor = '#f8d7da';
resultDiv.style.color = '#721c24';
resultDiv.innerHTML = '
No Equity Available
' +
'Based on your current mortgage balance of $' + mortgageBalance.toLocaleString() + ', you have exceeded the ' + (cltvLimit * 100) + '% CLTV threshold. You likely do not qualify for a HELOC at this time.';
} else {
resultDiv.style.backgroundColor = '#d4edda';
resultDiv.style.color = '#155724';
resultDiv.innerHTML = '