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Early Loan Payoff Calculator : Extra Payments & Interest Savings

Paying even a little extra each month directly pays down principal balance. Discover how many months you can shave off your loan term and how much lifetime interest you will save.

Interactive Calculator

100% Client-Side Engine
%
yrs
Loan Payoff Acceleration
7.8 Years Earlier (93 months saved)
Total Interest Saved
$49,056.78
New Monthly Payment
$1,166.45
New Total Payoff Time
207 Months (~17.3 yrs)

Step-by-Step Examples

$150,000 Mortgage for 25 Years at 6% with $200 Extra/Month

Extra mortgage monthly payment.

Inputs: Principal: $150,000, Rate: 6%, Original Term: 25 Years, Extra Payment: $200/mo
Result: Time Saved: 7.2 Years (86 Months), Interest Saved: $44,792.81

Adding $200/month cuts over 7 years off the mortgage and saves almost $45,000 in interest.

How to Use This Tool

  1. Enter current loan principal balance.
  2. Enter annual interest rate (APR).
  3. Enter original loan term in years.
  4. Specify extra monthly payment amount or one-time lump sum.
  5. Calculate months saved, years saved, and total interest dollars saved.

Frequently Asked Questions

Extra payments apply 100% to the principal balance, which immediately lowers future monthly interest charges.