The mortgage payoff calculator helps you find out. NerdWallet's early mortgage payoff calculator figures out how much more you need to pay.This guide will help you learn mortgage math, allowing you to confidently calculate how much you need to pay off your mortgage. Use our early mortgage payoff calculator with extra payments to see how upping your payments may impact the total cost and length of your home loan. Use this free mortgage calculator with extra payments to quickly estimate your monthly mortgage payment. See how extra payments affect your monthly payment. The extra payments will allow you to pay off your remaining loan balance 3 years earlier. Free mortgage payoff calculator to evaluate options to pay off a mortgage earlier, such as extra payments, bi-weekly payments, or paying back altogether. Calculate your mortgage with a free mortgage calculator from Newrez. See what your monthly payment will be using custom interest rates and down payments.