Balloon Payment Loan Calculator - With this balloon payment calculator you can get the monthly and balloon payment or just the balloon payment itself. A balloon loan is usually rather short, with a term of three to five years, but the payment is based on a term of up to 15 years.Use the balloon payment calculator to estimate the monthly payment and the final lump sum of a given balloon loan construction. This tool figures a loan's monthly and balloon payments, based on the amount borrowed, the loan term and the annual interest rate. Use our amortization calculator, type in a dollar figure under "Loan amount. Simply enter the price of the home, your down payment, and details about the home loan to calculate your payment breakdown, schedule and more. Under this arrangement, the borrower pays interest on an annual basis to the lender and makes a balloon payment of principal at the end of the payment term.