÷
SmartCalc
🏦Finance Guide

How to Calculate Loan EMI

The EMI formula explained with step-by-step examples for home loans, car loans and personal loans

SmartCalc · smart-calculator.in Try EMI Calc
÷
SmartCalc
2 / 9
Definition

What is EMI?

Equated Monthly Instalment — a fixed amount you pay your lender every month until the loan is fully repaid.

PPrincipal
rRate/mo
nMonths

Each EMI has 2 parts: Interest (charged on balance) + Principal (repayment)

The formula → Calculate EMI
÷
SmartCalc
3 / 9
📐 Formula

The EMI Formula

Standard Amortisation FormulaEMI = P × r × (1 + r)ⁿ
÷ [(1 + r)ⁿ − 1]

P = Principal amount
r = Monthly rate (Annual÷12÷100)
n = Total months (Years×12)
See a real example → Try It
÷
SmartCalc
4 / 9
📝 Example

Step-by-Step Calculation

₹5 lakh loan · 8.5% · 20 years
r = 8.5 ÷ 12 ÷ 100 = 0.007083
n = 20 × 12 = 240 months
P = 5,00,000
EMI = 5,00,000 × 0.007083 × (1.007083)²⁴⁰
÷ [(1.007083)²⁴⁰ − 1]
EMI = ₹4,340 per month ✓
Over 20 years → My EMI
÷
SmartCalc
5 / 9
📊 Total Cost

What You Actually Pay

Same ₹5 lakh loan at 8.5% for 20 years:

₹4,340Monthly EMI
₹10.4LTotal Paid
₹5.4LTotal Interest

You pay 108% extra in interest over 20 years — why lower rate matters!

How to reduce EMI → Compare
÷
SmartCalc
6 / 9
💡 Smart Tips

5 Ways to Cut Your EMI

📉Lower interest rate — 0.5% less saves lakhs on 20yr loan
💰Larger down payment — reduces principal, reduces EMI
📅Longer tenure — lower EMI (but more total interest)
⬇️Part prepayments — reduce outstanding principal mid-loan
Good CIBIL score (750+) — qualify for lower interest rates
Quick reference table → Reduce My EMI
÷
SmartCalc
7 / 9
📋 Reference

EMI Quick Reference

₹20L · 8%₹16,729/mo · 20yr
₹30L · 8.5%₹26,062/mo · 20yr
₹50L · 9%₹44,986/mo · 20yr
₹1Cr · 8.5%₹86,782/mo · 20yr
Try your own numbers → Calculate
÷
SmartCalc
8 / 9
⚠️ Flat vs Reducing

Flat Rate vs Reducing Balance

Lenders sometimes advertise a "flat rate" that sounds lower — but it's actually more expensive!

Why flat rate is misleading
Flat rate 7% ≈ Reducing 12–14%
Always compare using EMI formula
Our calculator uses reducing balance ✓
Calculate your EMI free → Try Free
÷
SmartCalc
9 / 9
Free Tool

Calculate Your EMI in Seconds

Enter loan amount, rate and years — get instant EMI, total cost and interest breakdown.

🏦 Open EMI Calculator

Also: Mortgage · Investment · Salary calculators

Free · Instant · No signup Open Now