Try
AdvertisementAd space

Home Equity Calculator

Your home equity and equity percentage from value and mortgage.

Home equity

$180,000.00

40% of value

Equity %

40%

Loan-to-value

60%

AI Breakdown & Smart Takeaway

Plain-English insight on your numbers

Get a personalized explanation of what these results mean — and how to improve them.

AdvertisementAd space

How the Home Equity Calculator works

The Home Equity Calculator determines how much equity you currently hold in your property by comparing your home's current market value against your outstanding mortgage balance — giving you both a dollar figure and an equity percentage. It's essential for homeowners evaluating refinancing options, home equity loans, lines of credit, or simply tracking their net worth growth over time.

Home equity is calculated by subtracting your remaining mortgage balance from your property's current market value. The calculator takes two inputs — the estimated current value of your home and the total amount you still owe on your mortgage — and instantly returns your equity in dollars and as a percentage of the home's value. This percentage, often called your loan-to-value (LTV) ratio in reverse, tells lenders how much of the property you truly 'own' outright, which directly influences your borrowing power and the rates you qualify for.

Your home's current market value is the most variable factor in the equation and is distinct from what you originally paid or what your property is assessed at for tax purposes. Market value fluctuates with local real estate conditions, neighborhood demand, interest rate environments, and improvements you've made to the property. Because this number changes over time, your equity is not static — a rising market can build equity passively even if you haven't made extra mortgage payments, while a declining market can erode it. Using a recent appraisal, a professional comparative market analysis (CMA), or a reliable automated valuation model (AVM) will give you the most accurate equity snapshot.

Your mortgage balance is the second key variable, and it decreases with every scheduled payment you make — though early in a loan term, the majority of each payment goes toward interest rather than principal, meaning equity builds slowly at first. This is the effect of mortgage amortization. Homeowners who make extra principal payments, biweekly payments, or lump-sum contributions accelerate equity growth significantly. The calculator reflects your current balance, so it's worth pulling your most recent mortgage statement or logging into your lender's portal to get a precise figure before running the numbers.

A common mistake homeowners make is confusing assessed value with market value — your property tax assessment is often based on a lagged or politically adjusted figure and may be meaningfully different from what a buyer would pay today. Another pitfall is forgetting to account for all liens against the property: if you have a home equity loan, a HELOC, or a second mortgage already in place, those balances should be added to your primary mortgage balance before calculating true equity. Lenders always look at combined loan-to-value (CLTV), and your equity percentage after accounting for all debt is what actually governs your financial options.

Formula

Equity = Home value − Mortgage balance

Pro tips

  • Use a recent appraisal or a credible AVM (such as those from Zillow, Redfin, or your lender) for the market value input — outdated figures will skew your equity calculation and can lead to poor financial decisions.
  • If you have a HELOC or second mortgage, add those balances to your primary mortgage balance before entering the figure; this gives you your true net equity and matches how lenders will evaluate you.
  • A target equity percentage of 20% or higher (LTV of 80% or below) is the threshold at which most US lenders allow you to eliminate private mortgage insurance (PMI) and qualify for better refinance rates — track this milestone actively.
  • Making even one extra principal payment per year can meaningfully accelerate equity growth due to amortization math; use the calculator periodically to see how extra payments change your equity position over time.
  • Equity percentage matters as much as the dollar figure — a $100,000 equity stake in a $150,000 home (67%) gives you far more financial flexibility than $100,000 in a $1,000,000 home (10%) from a lender's perspective.

Key terms

Home Equity
— The portion of your property's current market value that you own outright, calculated as market value minus all outstanding mortgage balances secured by the property.
Loan-to-Value Ratio (LTV)
— The percentage of a home's value that is financed by debt; it is the inverse of equity percentage and is a primary metric lenders use to assess lending risk.
Combined Loan-to-Value (CLTV)
— A ratio that accounts for all loans secured against a property — including primary mortgages, HELOCs, and second mortgages — divided by the property's market value.
Market Value
— The estimated price a willing buyer would pay a willing seller for a property in the current market, distinct from assessed value or original purchase price.
Mortgage Balance
— The remaining principal amount owed to a lender on a mortgage loan at any given point in time, exclusive of future interest.
Equity Percentage
— Your home equity expressed as a proportion of the property's market value, indicating what share of the asset you own free of debt obligations.

Frequently asked questions