A balloon mortgage has lower monthly payments but requires a large lump-sum payment at the end. Calculate your monthly payments, total interest, and the balloon payment amount. Compare the total cost against a standard mortgage to see if the trade-off is worth it.
A balloon mortgage is a loan with monthly payments calculated as if it were a long-term loan (typically 30 years), but with the entire remaining balance due as a single large "balloon" payment at the end of a much shorter term (typically 5–7 years). The structure produces low monthly payments during the term — comparable to a 30-year mortgage — but creates a substantial future obligation that must be paid off, refinanced, or sold into.
Balloon mortgages were common in the U.S. before the 2008 financial crisis but largely disappeared from mainstream residential lending afterward. They're now most commonly found in commercial real estate, seller-financed deals, and a few specialty lender programs. Borrowers attracted to balloon mortgages typically have a specific plan for the balloon — selling the property before maturity, refinancing into a permanent loan, or expecting a large cash event (inheritance, business sale, stock vesting) to fund the payoff.
This calculator estimates the monthly payment (based on the longer amortization schedule), the balance remaining at the balloon date, and the lifetime cost of the loan. The structure can save substantial monthly cash flow during the term, but it concentrates the financial risk into a single moment — what happens if you can't pay, sell, or refinance when the balloon comes due. For most buyers, a standard fixed-rate mortgage is simpler and safer; balloon mortgages should only be used with a clear, realistic exit plan.
$400,000 loan at 5.5% (lower than 6.5% standard), 7-year balloon, 30-year amortization. Monthly: $2,271 Balance at year 7: ~$361,000 You sell the home in year 7 for $475,000. After paying off the $361K balloon and ~$30K in selling costs, you walk away with $84K plus your down payment. The lower rate saved approximately $33,600 in interest over 7 years compared to a 6.5% standard loan. The balloon worked exactly as planned. Clean exit via sale.
$300,000 loan at 5.0% (favorable rate), 5-year balloon, 30-year amortization. Monthly: $1,610 Balance at year 5: $278,400 Plan: refinance at year 5 into a 25-year fixed. If rates at year 5 are 5.0% or lower: refinance is clean, monthly payment may even drop. If rates rise to 8%: refinanced monthly payment becomes ~$2,150 — substantially higher than the original. Affordable if income has grown; problematic if not. If you don't qualify (credit decline, income loss): may not be able to refinance at all. Worst case: foreclosure. Refinance-based balloon plans depend heavily on rate environment and your future qualifying ability.
$2,000,000 commercial loan at 6.0%, 10-year balloon, 25-year amortization. Monthly: $12,890 Balance at year 10: $1,613,000 Commercial real estate loans almost always have balloon structures. The 10-year balloon matches typical commercial lease terms and gives the property time to season for a profitable refinance or sale. Standard practice: refinance into a new 10-year balloon at year 10 (or 7, 12, 15 depending on structure). This is normal commercial finance, not the borrower stretch that the residential balloon often represents.
Use this calculator when considering a balloon mortgage offer for residential real estate (rare in modern U.S. lending), for commercial real estate (where balloon structures are the norm), or for seller-financed deals where the seller and buyer agree on a balloon structure.
For residential buyers, balloon mortgages should only be considered when: (1) you have a specific, realistic exit plan (planned sale, expected refinance with high confidence, expected cash event), (2) the lower monthly payment significantly improves affordability, (3) the lower interest rate vs. a fixed-rate alternative provides meaningful savings, and (4) you have backup plans if the primary exit fails.
For most U.S. residential buyers in 2026, standard 30-year fixed-rate mortgages are simpler, safer, and only marginally more expensive in monthly cash flow. The 2008 crisis featured many balloon mortgage failures; modern lending mostly discourages the structure for owner-occupied homes.
Pair this with the mortgage-payment calculator (standard mortgage comparison), the mortgage-refinance calculator (since refinance is the most common exit), the home-affordability calculator (since balloon affordability calculations are tricky), and the home-equity calculator (since equity at the balloon date determines refinance options).
A safer alternative worth considering: ARM (Adjustable Rate Mortgage) with a 5-, 7-, or 10-year initial fixed period. ARMs share the "lower monthly payment for a fixed period" feature but don't require a single large balloon payment — the loan converts to a regular adjusting payment, not a single bullet. For most residential borrowers seeking lower payments, an ARM is the safer modern alternative to a balloon mortgage.
Calculate your monthly mortgage payment including principal, interest, taxes, and insurance.
Generate a full amortization schedule for any loan.
Find out how much house you can afford based on your income, debts, and down payment.
Calculate payments for an adjustable rate mortgage with rate changes over time.
Calculate the break-even point for buying mortgage discount points.
Project your home's future value based on purchase price and annual appreciation.
When the balloon payment is due
Payment schedule based on this longer term
Monthly Payment
$1,896
Balloon Payment
$271,249
Due at end of year 7
Total Interest
$130,530
Total Cost
$430,530
| Month | Payment | Principal | Interest | Balance |
|---|---|---|---|---|
| 12 | $1,896.20 | $287.81 | $1,608.40 | $296,646.82 |
| 24 | $1,896.20 | $307.08 | $1,589.12 | $293,069.08 |
| 36 | $1,896.20 | $327.65 | $1,568.55 | $289,251.73 |
| 48 | $1,896.20 | $349.59 | $1,546.61 | $285,178.72 |
| 60 | $1,896.20 | $373.01 | $1,523.20 | $280,832.93 |
| 72 | $1,896.20 | $397.99 | $1,498.22 | $276,196.10 |
| 84 | $1,896.20 | $424.64 | $1,471.56 | $271,248.73 |