Personal Loan Payoff Calculator

Input your personal loan terms and rate to calculate how much sooner you will be debt-free by adding extra monthly contributions.

Last updated: July 2026 • Verified Calculations

Loan Details

$25,000
$
9.5%
%
5 Years
Yrs
$120
$

Accelerated Savings

Interest Saved$0Money kept in your wallet
Time Saved0 YearsAdd extra payments to see time saved
Wealth Horizon Opportunity
$0

Redirecting your saved monthly payments ($0/mo) for the 0 years you saved at a 7% annual return accumulates this wealth.

Standard Payment
$0
New Payment
$0
Original Payoff Schedule
Accelerated Schedule
Original Payoff Period
30 Years
Accelerated Payoff Period
23.8 Years
Original Total Interest
$0
Accelerated Total Interest
$0
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Accelerate Your Personal Loan Payoff Schedule

Our Personal Loan Payoff Calculator is built for individuals with unsecured signature loans, debt consolidation loans, or home improvement loans. By simulating extra monthly payments, you can calculate the exact month you will eliminate your personal debt and see your interest savings.

How Personal Loan Prepayment Math Works

Personal loans are typically fixed-rate installment loans. Interest compounds monthly on the outstanding balance:

Monthly Interest = Outstanding Balance × (Annual Interest Rate / 12)

When you make an extra payment, 100% of that extra amount goes directly to paying down the principal balance. This reduces the balance faster, which in turn reduces the interest charged in all following months. For consumer protection guidelines on personal loans, check the Consumer Financial Protection Bureau (CFPB) website.

Worked Numerical Example

Here is a payoff comparison for a personal loan of $25,000 at a 9.5% interest rate over a 5-year term, with an extra payment of $120/month:

Payoff OptionMonthly paymentTotal Interest PaidTotal Cost of LoanPayoff Timeline
Standard Schedule$525.04$6,502.50$31,502.505.0 Years
Accelerated Prepayment$645.04$4,874.12$29,874.124.0 Years
Total Savings+$120.00 / month$1,628.38 Saved$1,628.38 Saved1.0 Year Shaved Off

When to Use This vs. Our Other Calculators

To select the most appropriate calculator for your planning:

Important Disclaimer: All calculations are mathematical simulations for planning purposes. Interest calculations, late fees, deferrals, capitalization of interest, or payment schedules depend on your specific loan agreement. Consult a licensed financial professional or your lender for exact figures.
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Understanding Extra-Payment Payoff Math

Should I pay off a personal loan early?+

Yes, paying off a personal loan early eliminates a monthly debt obligation and saves money on interest. Check if your loan servicer charges a prepayment penalty (though most personal loans do not).

How do extra payments accelerate a personal loan payoff?+

Extra payments are applied entirely to the principal. Since interest is calculated monthly on the remaining balance, reducing the principal immediately lowers the total interest accumulated over the remaining term.

What is a signature loan?+

A signature loan is an unsecured personal loan that is backed only by your signature and creditworthiness, rather than by collateral like a home or car. Because they lack collateral, interest rates are typically higher.

Are there prepayment fees on personal loans?+

Most modern personal loans from major banks and online lenders do not charge prepayment penalties. However, always review your loan agreement details to ensure there are no fee clauses.

How is personal loan interest calculated?+

Personal loan interest is computed using the monthly reducing balance formula, where your interest rate is divided by 12 and multiplied by the remaining principal balance at the start of each billing cycle.

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