This calculator will help estimate the monthly mortgage payments required for various combinations of interest rates, loan term and principal. Enter your desired payment - and let us calculate your loan amount.Or, enter in the loan amount and we will calculate your monthly payment. The mortgage payoff calculator helps you find out. Use our amortization calculator, type in a dollar figure under "Loan amount. An amortization table shows the schedule for paying off a loan, such as a mortgage. Learn how to use one to determine your payoff schedule. Use this home loan calculator to generate an estimated amortization schedule for your current mortgage. Click on the bank name to find the forms. Fill out the form for the selected lender.