Balloon Payment Loan Calculator - With this balloon payment calculator you can get the monthly and balloon payment or just the balloon payment itself. Use the balloon payment calculator to estimate the monthly payment and the final lump sum of a given balloon loan construction.Use these calculator templates to help you navigate your loans, budgets, net worth, and more. 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. Free payment calculator to find monthly payment amount or time period to pay off a loan using a fixed term or a fixed payment. This tool figures a loan's monthly and balloon payments, based on the amount borrowed, the loan term and the annual interest rate. Loan Calculator with Amortization Schedule. Print-Friendly, Mobile-Friendly.