The mortgage payoff calculator helps you find out. The simple loan calculator can help you figure out how long it will take to pay off your loan.Use this free Massachusetts mortgage calculator to estimate your monthly mortgage payments and annual amortization. Use this calculator to analyze one of your existing loans. Calculate your remaining balance based on the number of monthly payments you have remaining. Use this calculator to determine how much longer you will need to make regular payments to eliminate your debt obligation and pay off your loan. You can estimate your payments with various interest rates and loan terms using this calculator. Enter your desired payment – and let us calculate your loan amount. Or, enter in the loan amount and we will calculate your monthly payment. LendingTree's personal loan payment calculator can help you see how much your loan could cost, including principal and interest.