To calculate the current equity of your home, you must subtract the debt associated with the home from the home's total value. First, add up the outstanding balances on any lines of credit, mortgage loans or home equity loans. Then you must determine the home's value.
The most reliable way to determine the value of your home would be to have the property appraised, as a professional can provide the most accurate analysis. Once the appraiser has determined the value of the property, subtract the debt owed from the home's value. The home's current equity is the result of this calculation.