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Loan Payoff Calculator

Use the current balance and payment rather than the original loan terms to estimate the remaining payoff path.

Calculator reviewed: October 6, 2026•Developed and published by ERICH Incorporated•Loan & interest software since 1999

Your estimated results

The sample values are calculated automatically. Enter your own information for a new estimate.

Need to take this calculation further?

Need a payoff based on actual payment history?

When the loan has late, partial, skipped, principal-only, or irregular transactions, use Loan Reconciliation & Payoff Pro to rebuild the balance and calculate a payoff through a selected date. $50 one-time purchase.

One-time purchase · No subscription · Secure payment through PayPal · Free evaluation available · Refund policy · License terms

These calculators provide mathematical estimates for education and planning. Loan agreements, lender practices, fees, taxes, payment dates, and rounding can change actual results.

From quick calculation to working file

Need a payoff after real-world payment changes?

A simple payoff estimate assumes the balance is already right. Loan Reconciliation & Payoff Pro lets you rebuild an irregular payment history first, then calculate the payoff from the reconstructed balance.

  • Reconcile payment histories
  • Handle irregular payment dates
  • Rebuild the running balance
  • Produce payoff calculations
$50 one-timeNo subscription

Try the evaluation before buying. One-time license; no monthly subscription.

Loan Reconciliation and Payoff Pro Windows software screen
Actual Windows software

How the calculation works

Loan Payoff Calculator explained

This calculator starts with today’s balance instead of reconstructing the original loan. That makes it useful for evaluating a new extra-payment plan.

The current payment must be large enough to cover interest and reduce principal. Otherwise, the loan will not amortize.

The estimate assumes a fixed rate and consistent monthly payments until payoff.

Related Power of Interest guides

More ways to use this calculator

Common calculation questions this page answers

Loan Payoff Calculator With Extra Payments

Compare the current payment with a higher payment or a recurring extra-principal amount. The calculator estimates how many payments remain and how much scheduled interest can be avoided by paying principal faster.

Estimate Your Loan Payoff Date

A payoff-date estimate starts with the current principal balance, interest rate, and payment rather than requiring the original loan amount. This makes it useful when a loan is already well underway.

How Much Interest Can Extra Payments Save?

Extra principal reduces the balance that produces future interest. The earlier the balance is reduced, the more later interest periods are affected.

Loan Payoff Estimate vs. Official Payoff Quote

A scheduled payoff calculation is not the same as a lender payoff statement. If interest accrues daily through a specific good-through date, use the Payoff Per Diem Calculator.

Need to know the remaining scheduled principal first? Use the Remaining Loan Balance Calculator. For saved schedules with editable rows, use Amortization Pro.

Frequently asked questions

When will my loan be paid off?

The calculator estimates the remaining payoff period from the current balance, annual rate, and payment amount you enter.

How much faster will extra payments pay off my loan?

Extra principal reduces the balance sooner, which can shorten the remaining term. The exact reduction depends on the rate, balance, payment, and timing of the extra amount.

How much interest can extra payments save?

Interest savings equal the difference between the projected remaining interest under the current payment and the projected interest under the accelerated payment pattern.

Should extra payments be applied to principal?

If your goal is to shorten the loan, verify that the lender applies the extra amount to principal rather than merely advancing a future scheduled payment.

Can I use this for a mortgage or auto loan?

Yes, when the loan uses a standard amortizing payment structure and the inputs match the loan terms.

Is this the same as an official payoff quote?

No. An official payoff can include daily interest through a good-through date, fees, advances, credits, or other adjustments not represented by a scheduled amortization estimate.