Loan Early Repayment
See the months and interest saved by paying a loan off early.
About Loan Early Repayment
Both timelines come from the amortization formula, and the difference in months and total interest shows what the extra payment buys. Every extra dollar on principal skips future interest, so small overpayments compound into meaningful savings over a long loan.
Formula
Loan Early Repayment
Compare interest paid at regular vs boosted payment; extra goes to principal
- extra payment
- Additional monthly amount applied straight to principal
Worked example
With the default values below, Loan Early Repayment returns Interest Saved of $1,000. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Loan balanceminimum 0
- 20,000
- APRaccepts 0–100 %
- 7 %
- Monthly paymentminimum 1
- 400
- Extra paymentminimum 0
- 100
Results
- Standard Payoff
- 60 months
- Months Saved
- 14
- Interest Saved
- $1,000
Step by step
- 1Values used
- 2Loan Early Repayment
- 3Interest Saved= 1,000
- 4Standard Payoff= 60 months
- 5Months Saved= 14
Assumptions and limits
- The result is derived only from the 4 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax or fees or charges into account.
- Figures are rounded for display to whole numbers, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
- This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Loan Early Repayment calculated?
Compare interest paid at regular vs boosted payment; extra goes to principal Both timelines come from the amortization formula, and the difference in months and total interest shows what the extra payment buys.
Why does Loan Early Repayment matter?
Every extra dollar on principal skips future interest, so small overpayments compound into meaningful savings over a long loan.
What values do I need to enter?
This calculator takes 4 inputs: Loan balance, APR, Monthly payment, Extra payment. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.