Have you ever wondered how much quicker you could pay off your loan if you made regular extra monthly payments? For instance, if you could afford to pay an extra $200 per month on your loan, with a loan of $120,000 for 30 years at an interest rate of 6.5%, you could save 7.5 years and $71,906 in interest expense. Enter your details below to calculate how many years and how much interest you could save.