What is EMI?
financeDefinition
EMI (Equated Monthly Installment) is the fixed monthly payment a borrower makes to a lender to repay a loan over a set period. It includes both the principal amount and interest, calculated using the formula: EMI = [P × R × (1+R)^N] / [(1+R)^N − 1], where P is principal, R is monthly interest rate, and N is tenure in months.
Detailed Explanation
When you take a loan — whether a home loan, car loan, or personal loan — the bank doesn't expect you to repay it all at once. Instead, they divide the total repayable amount (principal + interest) into equal monthly installments called EMIs. Each EMI payment reduces your outstanding principal while also paying the interest accrued on that month's balance.
In the early months of a loan, a larger portion of your EMI goes toward interest, and a smaller portion reduces the principal. Over time, this ratio shifts — by the final months, almost your entire EMI is reducing the principal. This schedule is called an amortization schedule.
The EMI formula was standardized by the Reserve Bank of India (RBI) for all regulated lending institutions. You can calculate your exact EMI using ToolsDock's free EMI calculator, which also generates the full amortization schedule.
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