Your home’s equity is the difference between what the home is worth and what you still owe on it. It sounds simple — but the real question is how much of that equity you can actually access, and when it makes sense to do so.

The Home Equity Formula

Equity = Current Home Value − Remaining Mortgage Balance

If your home is worth $380,000 and you owe $240,000, you have $140,000 in equity. That’s yours — at least on paper. Whether you can access it depends on your lender’s loan-to-value (LTV) requirements.

What Is Loan-to-Value (LTV)?

LTV is the ratio of your mortgage balance to your home’s value. Most lenders cap combined LTV at 80–85% for a HELOC or home equity loan, meaning they want you to keep 15–20% equity as a cushion after borrowing.

Formula: Maximum borrowable = (Home Value × LTV limit) − Current Mortgage Balance

At 80% LTV on a $380,000 home with $240,000 owed: max borrow = $380,000 × 0.80 − $240,000 = $64,000.

Three Ways to Access Home Equity

1. HELOC (Home Equity Line of Credit)

A revolving credit line — like a credit card secured by your home. You draw what you need, pay interest only on what you use. Rates are usually variable. Great for ongoing projects or emergencies.

2. Home Equity Loan

A lump sum loan with a fixed rate and fixed monthly payment. Better if you need a specific amount for a one-time expense like a renovation or debt consolidation.

3. Cash-Out Refinance

Refinance your mortgage into a larger loan and take the difference in cash. This replaces your existing mortgage, so timing matters — not ideal when rates are significantly higher than your current rate.

When Tapping Equity Makes Sense

• Home renovations that increase property value
• Consolidating high-interest debt when the math works
• Major one-time expenses (medical, education) when emergency fund is depleted

When to Leave Equity Alone

Your home is not a piggy bank. Tapping equity to fund a lifestyle, vacations, or consumer purchases that don’t build value can put your home at risk if income drops. Equity is illiquid until you sell or borrow — treat it as a long-term asset, not a spending account.