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UTL.toolsThe Digital Toolbox
Updated: August 2026 • Verified v1.2

Auto Loan Early Payoff & Extra Payment Calculator

Finance & MathPopular

Local Browser Execution: Your input is processed locally in your browser and is not sent to UTL servers.
Accelerated Amortization: Loop monthly balance reduction with Principal = (Payment + Extra) - Interest
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Understanding Your Results

Calculates total interest saved ($), number of months/years shaved off the auto loan, and new accelerated payoff timeline.

Practical Guidance & Next Steps

Check with your auto lender that extra payments are applied directly to principal rather than advancing the next due date.

What is this?

A personal finance calculator that computes the acceleration and interest savings of making extra principal payments on a car loan.

How does it work?

1. Enter current auto loan balance, APR, and remaining months. 2. Enter extra monthly payment ($/mo) or one-time lump sum payment ($). 3. View your total interest saved, months shaved off, and new payoff date.

Why use it?

Reveals the exact return on investment of putting spare cash toward auto loan principal.

Technical Scope & Calculation Limitations

Calculates standard daily or monthly compounding amortized auto loans.

Frequently Asked Questions

On a $25,000 48-month car loan at 6.5% APR, paying an extra $100/month saves over $600 in interest and pays off the vehicle 7 months early.
Windows Desktop & Widget Options

Want this capability on your Windows desktop?

All Windows widgets
Windows 11 Widget
8.8/10

MSN Money Watchlist Widget

Built-in Windows 11 Widgets Board stock ticker and market watchlist feed.

FreeEasy InstallLow RAM
By Microsoft CorporationView Widget
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