Balloon Payment Loan Calculator - With this balloon payment calculator you can get the monthly and balloon payment or just the balloon payment itself. This tool figures a loan's monthly and balloon payments, based on the amount borrowed, the loan term and the annual interest rate.Use the balloon payment calculator to estimate the monthly payment and the final lump sum of a given balloon loan construction. 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. This calculator computes the payment amount necessary for a mortgage with a balloon payment, using monthly interest compounding and monthly payments. This calculator will help you to figure a current loan balance when the borrower made different payments than those stipulated in the original loan terms. Use Balloon Loan Calculator to Check how Long Your Loan will Go in Terms of Years. 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.