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Balloon Payment Calculator

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years

Result

Calculated result Ready Change any value to calculate instantly.
↗ Finance

Balloon Payment Calculator Work out the monthly payment and the final lump-sum (balloon) payment on a balloon loan. With a balloon loan you make smaller regular payments based on a longer amortization schedule, then settle the large remaining balance in o — free online calculator.

Formula

Balloon balance after k payments = P(1+r)^k − PMT × ((1+r)^k − 1) ÷ r
  • Balloon payment calculator. This page documents the mathematical loan model used for the estimate and provides an educational example.
  • The main inputs are Loan amount, Annual interest rate, Loan term, Balloon payment. Enter them in the units and format shown in the calculator.
  • Use monetary amounts, rates and time periods exactly as labeled; the result reflects the assumptions entered on this page.
  • Changing any input above recalculates the result with the same calculation engine used by this page.

Example: Balloon Payment

Inputs
  • Loan amount: 100000
  • Annual interest rate: 6 %
  • Loan term: 10 years
  • Balloon payment: 20000

The calculator estimates regular payments and the remaining lump-sum balance at the balloon date.

Sample result: Calculating…

Frequently asked questions

What does the Balloon Payment calculate?

Balloon loans can carry refinancing and interest-rate risk at maturity.

Which values should I enter?

Enter Loan amount, Annual interest rate, Loan term, Balloon payment using the units and format shown beside each field.

What formula does this calculator use?

The calculator uses the following relationship: Balloon balance after k payments = P(1+r)^k − PMT × ((1+r)^k − 1) ÷ r.

Why might my result differ from another source?

Results can differ when another source uses different units, rounding rules, conventions or assumptions. Compare the inputs and definitions before comparing results.

Does the result update automatically?

Yes. Changing an input updates the result using the same calculation engine shown on this page.

Page information

Updated: October 7, 2026