Calculating a home equity line of credit starts with seminal the value of the property, estimating a first mortgage balance and subtracting it from the value of the house. Learn about the money that will be available for borrowing needs with help from a financial services administrator in this free video on calculating home equity lines of credit. Expert: Matthew mckillen Contact: www.excelmortgage.com/ Bio: Matthew mckillen brings 21 years of industry experience in arranging loans for his clients. Filmmaker: Christopher Rokosz