See the months and interest saved by paying a loan off early.
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.
Loan Early Repayment
Compare interest paid at regular vs boosted payment; extra goes to principal
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.
Every extra dollar on principal skips future interest, so small overpayments compound into meaningful savings over a long loan.
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.