I already own a home - how much equity do I have? Equity represents the owner's interest in a property, or simply the dollar amount you could sell your home for, minus the dollar amount you still owe on it. Get a quick estimate of your equity using this calculator. Place your cursor in the fields and fill in the requested information to the best of your knowledge. Use the tab key on your keyboard to move through the form. Once the required fields are completed, the form will automatically populate with the information you have requested. $ What is the current market value of your home? $ What is the Principal of your first mortgage (plus any other liens against your home)? This is the maximum amount of equity you have in your home. Note: This calculator is provided to give you a general idea. We cannot guarantee the accuracy or the applicability to your situation. Please consult a qualified professional. If you use a 0% interest value, the calculator will automatically use a default value of .001. Please be aware that the values may vary slightly.