This tool estimates how much equity you hold in your home and how much of that equity you could realistically borrow against. Equity is the portion of the property you truly own, and lenders cap how much of it you can tap. Understanding both figures helps you gauge options like a home equity loan or a line of credit before you apply.
Home equity equals your current home value minus your mortgage balance. That is the total ownership stake. Usable equity for borrowing is smaller, because lenders commonly limit combined borrowing to 80 percent of the home's value. The formula for usable equity is home value times 0.80, minus your current mortgage balance. This 80 percent combined loan-to-value cap is a common industry standard, though individual lenders may set their own limits.
Suppose your home is worth $400,000 and you owe $250,000 on your mortgage. Your total equity is $400,000 minus $250,000, which is $150,000. To find usable equity, take $400,000 times 0.80, which is $320,000, then subtract the $250,000 you still owe. That leaves $70,000 of usable equity you could potentially borrow under an 80 percent cap. Notice the usable figure is much smaller than the total equity, because the cap leaves a cushion of ownership in the home.
Enter your current home value, using a recent appraisal or a careful estimate of comparable sales, and enter your remaining mortgage balance from your latest statement. The calculator reports your total equity and your usable equity under the standard 80 percent combined loan-to-value limit, so you can see both the ownership picture and the borrowing picture.
Home value is an estimate until a lender orders a formal appraisal, and values can move with the market. Some lenders allow combined loan-to-value above or below 80 percent depending on your credit, the loan type, and the property, so your actual usable equity may differ. This tool does not account for second mortgages you may already carry, closing costs on a new loan, or whether you qualify. Borrowing against your home puts it at risk if you cannot repay.
What is combined loan-to-value? It is the total of all loans secured by the home divided by the home's value. Lenders use it to limit how much of the property is financed.
Why is usable equity less than total equity? Lenders keep a protective cushion. Capping borrowing at 80 percent of value leaves ownership in place if prices fall, which reduces the amount you can draw.
Does a home equity loan differ from a HELOC? A loan gives a lump sum at a set rate, while a line of credit lets you draw as needed, often at a variable rate. Both rely on your usable equity.
How do I estimate my home value? Look at recent sales of similar nearby homes, or get a professional appraisal. Online estimates can be a rough starting point but are not lender-grade figures.
Disclaimer: This calculator provides educational estimates using standard formulas, not personalized financial advice. Lending terms, interest rates, and your individual circumstances vary. Consult a licensed mortgage, financial, or tax professional before making decisions.
Sources: Consumer Financial Protection Bureau. Home equity loan vs. home equity line of credit (HELOC)