fixed-rate mortgage to a 30-year fixed-rate mortgage, you can use an amortization schedule calculator to find the result. Using the amortization calculator on BankRate.com (www.bankrate.com/calculators/mortgages/amortization-calculator.aspx), you would end up paying a total amount of interest of $209,263.35 at the end of a 30-year loan, while you would pay total interest of $92,683.63 at the end of a 15-year loan. You would save over $116,000 by having a 15-year mortgage rather than a 30-year mortgage ($209,263.35 - $92.683.63 =