A balloon loan is a financing structure where the borrower makes fixed monthly payments for a short term, typically 3 to 10 years, but those payments do not fully repay the loan. The remaining unpaid balance, called the balloon payment, becomes due in a single lump sum at the end of the term. Because the monthly payment is calculated on a longer amortization schedule than the actual loan term, payments are lower than a fully amortizing loan of the same amount, but the borrower must be prepared to repay a substantial sum at maturity.
Enter your loan amount, annual interest rate, total loan term and balloon amount. The calculator uses the standard amortization formula to determine your fixed monthly payment, then computes the remaining principal balance due at the end of the balloon period. The monthly payment figure reflects principal and interest only, it does not include taxes, insurance or fees, which your lender will add separately.
- Before signing a balloon mortgage, to understand the exact lump sum you will owe at the end of the term and plan your repayment strategy in advance.
- When comparing a balloon loan against a fully amortizing loan to see whether the lower monthly payment justifies the large payment obligation at maturity.
- For commercial real estate financing, where balloon loans are standard and borrowers typically plan to refinance or sell the property before the balloon falls due.
- When evaluating bridge financing or short-term business loans structured with a balloon payment at the end of the lending period.
- To stress-test your finances against the balloon date, ensuring you have a credible refinancing plan, sale proceeds or cash reserve in place.
- Balloon Payment
- The large lump-sum payment due at the end of a balloon loan term, representing the remaining unpaid principal balance after all scheduled monthly payments have been made.
- Amortization Period
- The longer schedule used to calculate the monthly payment, often 20 or 30 years, even though the actual loan term is much shorter. The gap between the two creates the balloon.
- Partial Amortization
- When monthly payments reduce the principal balance but do not eliminate it entirely by the end of the loan term, leaving a balloon balance that must be paid in full.
- Refinancing Risk
- The risk that when the balloon falls due, you cannot obtain a new loan at acceptable terms, due to rising rates, falling property values or deteriorating credit, forcing a default.
The most common and costly mistake is taking a balloon loan without a clearly defined exit strategy. Many borrowers assume they will refinance before the balloon date without accounting for the possibility that interest rates may rise, their credit may weaken or the lender may not renew the facility. A second frequent error is focusing only on the low monthly payment without calculating the total cost of the loan, in many cases the total interest paid on a balloon structure exceeds that of a standard amortizing loan. Always model the full repayment cost and have a contingency plan.
If you are evaluating a balloon loan for a property purchase, use the Mortgage Calculator to compare the total cost against a standard 25 or 30-year repayment mortgage. The Refinance Calculator will help you estimate whether refinancing before the balloon date is financially viable. Use the Loan Amortization Calculator to generate a full payment schedule showing how much principal you will owe at each point in the term.