CFA Institute โ Fixed-income repayment formulas.
๐ How to Use
Enter loan amount, interest rate, and tenure. Add optional prepayments and choose whether they shorten tenure or reduce EMI. The calculator outputs EMI, interest outgo, and a detailed amortization schedule.
๐งฎ Formula Reference
EMI = [P ร r ร (1 + r)^n] / [(1 + r)^n โ 1], where P = principal, r = monthly rate (annual รท 12 รท 100), n = months.
Monthly interest = Outstanding ร r; Principal = EMI โ Interest; Outstanding reduces by principal.
Prepayments lower outstanding; recompute EMI or tenure as per chosen mode.