Work out loan emi with prepayment instantly with clear inputs, formula shown and shareable results.
A prepayment goes straight against principal, so every future month's interest is charged on a smaller balance. Keeping the EMI unchanged shortens the tenure, and the interest saved compounds with each additional prepayment.
Monthly roll-forward
Balance = Balance + Balance·r - (EMI + extra when due)
Figures are estimates. Lenders apply their own rounding, fees and eligibility rules, and rates change. This is not financial advice — confirm the numbers with your lender.
Cutting the tenure saves far more interest, because the balance clears sooner. Reducing the EMI mainly improves monthly cash flow.
Early in the loan, while the outstanding balance and therefore the interest charge are at their highest.