You may need to fill out a form, sign into an online system, or call a customer service line. Use this calculator to see how extra payments will affect your loan.Please enter your current address in the assignment of title. By the end of a year, you could pay the equivalent of one extra monthly payment that directly reduces the principal balance of your loan. 1. Requesting a Payoff Demand. Are you looking for a loan agreement form in Nevada? Download our free Nevada Loan Agreement Form which is available as PDF or Word documents. Mortgage Payoff Calculator: See how changes in your payment can affect your payoff time. Estimate how much you can save, and how much equity you can create. Simply enter your loan amount and interest rate and choose the date you would like to see the debt eliminated.