Debt Payoff · Calculator

Free Debt Payoff Calculator

What is a debt payoff calculator?

A debt payoff calculator estimates how long a balance takes to clear based on APR and monthly payment.

Enter balance, APR, and monthly payment to see estimated months to debt-free and total interest paid.

Iterative amortization: monthly interest accrues, payment reduces principal until balance reaches zero

Compare different payment amounts to see how extra principal shortens timeline and cuts interest.

Debt balance is $8,500 at 18% APR with a $275 monthly payment.

Estimated payoff is around 42 months with substantial interest before balance reaches zero.

Raise payment where possible to cut both months and interest.

Months to debt-free — Estimated number of monthly payments until balance reaches zero.
Total interest paid — Interest cost accumulated over the full payoff period.
Total paid overall — Principal plus interest over the full payoff timeline.

If payment is too low to beat monthly interest, payoff may be impossible without increasing payment.

Higher APR means more of each payment goes to interest before principal.

You may not pay off the balance; increase payment to exceed monthly interest.

No. It estimates payoff from principal, APR, and payment only.

Turn this into a real monthly plan. Set income, caps, and alerts in Ziko — free, no bank login.