Free mortgage payoff calculator to evaluate options to pay off a mortgage earlier, such as extra payments, bi-weekly payments, or paying back altogether. The mortgage payoff calculator helps you find out.Use SmartAsset's free Arizona mortgage loan calculator to determine your monthly payments, including PMI, homeowners insurance, taxes, interest and more. Use our free mortgage calculator to easily estimate your monthly payment. See which type of mortgage is right for you and how much house you can afford. Calculate your mortgage with a free mortgage calculator from Newrez. See what your monthly payment will be using custom interest rates and down payments. Use this amortization calculator to help you determine how many months it could take to pay off your loan with or without making extra payments. Use the extra payment calculator below to help determine how advantageous it is to pay a little extra each month toward your mortgage. Extra payments can significantly reduce the lifespan of a loan.