Enter your desired payment - and let us calculate your loan amount. Or, enter in the loan amount and we will calculate your monthly payment.This tool figures a loan's monthly and balloon payments, based on the amount borrowed, the loan term and the annual interest rate. Use this mortgage calculator to determine your monthly payment and generate an estimated amortization schedule. Interest rate: X. Interest rate. Do you need help understanding your debt financing terms? Hurricane City Council Meeting. Agenda. The Anticipated Repayment Date for the Hyper-Amortization Loan is listed in Annex A. Amortization of Principal.