What Is an EMI and How Is It Calculated?

EMI (Equated Monthly Instalment) is the fixed amount you pay every month to repay a loan. Each EMI usually includes both principal (the amount borrowed) and interest charged by the lender.

Whether you have a home loan, personal loan, car loan, or education loan, understanding your EMI can help you plan your monthly budget.

How Is EMI Calculated?

The standard EMI formula is:

EMI = P × R × (1 + R)ⁿ ÷ [(1 + R)ⁿ − 1]

Where:

• P = Principal loan amount
• R = Monthly interest rate
• N = Total number of monthly instalments

For example, suppose you borrow ₹5 lakh at an annual interest rate of 10% for 5 years.

The monthly interest rate is approximately 0.833%, and the loan has 60 monthly instalments.

Your EMI would be approximately ₹10,624 per month.

What Determines Your EMI?

Your EMI mainly depends on three things:

1. Loan Amount

A larger loan generally means a higher EMI, assuming the interest rate and tenure remain the same.

2. Interest Rate

A higher interest rate generally increases your monthly EMI and the total interest paid over the loan period.

3. Loan Tenure

A longer tenure can reduce your monthly EMI, but you may end up paying more total interest because the loan remains outstanding for longer.

EMI Example

For a ₹5 lakh loan at 10% per year for 5 years:

Particular Amount

Loan Amount ₹5,00,000

Interest Rate 10% p.a.

Tenure 5 years

Approx. EMI ₹10,624

Approx. Total Payment ₹6.37 lakh

Approx. Total Interest ₹1.37 lakh

Actual figures may vary slightly depending on the lender's calculation method and applicable charges.

How Can You Reduce Your EMI?

You can potentially reduce your monthly EMI by:

• Choosing a longer repayment tenure
• Comparing lenders for a lower interest rate
• Making a larger down payment, where applicable
• Making eligible part-prepayments to reduce the outstanding principal

However, choosing a longer tenure can increase the total interest cost.

Final Takeaway

EMI is an important part of loan planning. Before taking a loan, don't look only at the monthly EMI—also consider the interest rate, loan tenure, total interest payable, processing fees, and other applicable charges.