Interest-Only Loan Calculator

Daily interest with a 365 or 360 day basis. Choose payment frequency. Add extra principal and see the balloon change.

Inputs

Daily accrual uses actual days between payments.
Leave blank to auto-pick based on frequency.

Optional prepayments

Applied to the first payment date.

Summary

First interest-only payment
Balloon due at maturity
Total interest (all periods)
Payments made
Optional ad slot

Amortization (interest-only)

#DateDaysInterestExtra principalPaymentBalance

Interest is computed on actual days since last payment using the selected day count basis. If you prepay principal, the next interest payment drops automatically.