Loan Calculator Guide
Loan Calculator Basics
Computes payment schedules for installment loans from principal, rate, and term.
Formula
Payment = P r / (1 − (1 + r)^(-n)) for periodic rate r and n periods
Example
$15,000 at 8% APR for 36 months → payment ≈ $470.
FAQs
APR vs rate?
APR includes fees; periodic rate is APR/periods.
Extra payments?
Reduce interest and term; consider prepayment penalties.