How much does an extra $100/month save on a loan?

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Loan Payoff & Amortization Calculator

Calculate monthly loan payments, total interest costs, and extra payment payoff acceleration schedules.

4.9 / 5(2890 votes)

Execution Mode

100% Client-Side In-Browser

Data Privacy

Zero Persistent Storage

Access Policy

Free · No Signup Required

Informational Disclaimer: This calculator provides mathematical estimates for educational and informational purposes only. It should not be considered professional financial, medical, nutritional, legal, or investment advice.

Loan Balance ($)

Annual Interest Rate (%)

Monthly Payment ($)

How to Use Loan Payoff & Amortization Calculator

1
Enter loan principal amount, annual interest rate (%), and loan term in years.
2
Optionally enter extra monthly payment.
3
View monthly payment, interest saved, and full schedule table.

Key Features

Monthly payment calculation
Full month-by-month amortization schedule table
Extra monthly payment impact estimator
Total interest vs principal breakdown chart

Benefits

See how much money extra payments save on interest
Plan loan payoff milestones
Compare loan terms (15-yr vs 30-yr)

Common Pitfalls to Avoid

• Entering interest rate as a decimal instead of percentage.

Data Handling & Privacy Notice

This utility executes entirely client-side in your web browser. No text, calculations, or uploaded data are sent to our servers or stored in any database.