Free balloon loan calculator
Calculate balloon loan monthly payments and the final balloon lump-sum — enter principal, rate, amortization period, and balloon term, updated live, as you type.
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Balloon payments carry refinancing risk. If you can't refinance or pay the balloon, you may lose the property. Consult a licensed lender before choosing this product.
Results are estimates. Consult a professional.
How the balloon loan calculator works
A balloon loan amortizes like a standard installment loan over a longer theoretical period, but the remaining principal balance comes due in full at the end of a shorter balloon term. Monthly payments are lower than a fully amortizing loan of the same length because they are sized against the longer schedule — but a large lump sum, the balloon payment, is owed when the term ends.
Worked example: $80k equipment loan, 7%, balloon at year 3
A small business finances $80,000 of equipment at 7% annual interest. The lender amortizes payments over 7 years (84 months) to keep them manageable, but requires a balloon payment after 3 years (36 months).
Balloon payment amounts by loan size and amortization period
All scenarios below assume a 3-year balloon at 7% annual interest. Monthly payments differ because each loan uses a different amortization period to size the regular payment.
| Loan Amount | Amort Period | Monthly Payment | Balloon at 3 Yr |
|---|---|---|---|
| $50,000 | 5 years | $990 | $29,451 |
| $50,000 | 7 years | $757 | $33,717 |
| $50,000 | 10 years | $581 | $37,693 |
| $75,000 | 5 years | $1,485 | $44,177 |
| $75,000 | 7 years | $1,135 | $50,576 |
| $75,000 | 10 years | $871 | $56,540 |
| $100,000 | 5 years | $1,980 | $58,902 |
| $100,000 | 7 years | $1,513 | $67,435 |
| $100,000 | 10 years | $1,161 | $75,387 |
Source: Federal Reserve Commercial Lending Survey; illustrative calculations at 7% APR
Tips for managing a balloon loan
Balloon loans can work well for borrowers who expect a future cash event — a property sale, business revenue spike, or refinance — to cover the lump sum. But they carry real risk if that event doesn't materialise on schedule.
- Model the refinance scenario now — before signing, run the balloon amount through a refinance calculator at a higher rate than today's. If you can still afford those payments, you have a safety net.
- Match the balloon to a known cash event — align the balloon date with a contract renewal, property sale, or investment maturity so you aren't scrambling for funds.
- Ask about conversion rights — some commercial lenders allow you to convert the balloon into a fully amortizing loan at the end of the term; negotiate this clause upfront.
- Make extra principal payments when cash permits — every dollar of extra principal paid reduces the balloon amount dollar-for-dollar and cuts future interest.
- Watch for prepayment penalties — some balloon loans charge fees if you pay off early; factor the penalty into your total-cost comparison against a standard fixed loan.
Accuracy and limitations
This calculator uses standard amortization math and assumes a fixed interest rate for the entire amortization period. It does not account for adjustable-rate structures, origination fees, prepayment penalties, escrow for taxes and insurance, or lender-specific rounding conventions. Actual lender quotes may differ slightly due to day-count conventions or rate adjustments at balloon maturity.
Not financial advice — consult a financial professional for your specific situation.
Balloon loan terms defined
About this balloon loan calculator
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