EMI stands for Equated Monthly Instalment — the fixed amount you pay your lender every month until your loan is fully repaid. This guide explains the EMI formula, compares loan types, shows you an amortisation schedule, and reveals the fastest ways to reduce your total interest burden.
EMI stands for Equated Monthly Instalment — a fixed amount you pay to your lender every month until the loan is fully repaid. Each EMI contains two components: a portion that repays the principal (the amount you borrowed) and a portion that pays the interest charged by the bank.
In the early months of a loan, the interest component is higher. As the loan progresses, more of each EMI goes toward principal repayment. This is called an amortising loan structure, and it is the standard structure used by all Indian banks and NBFCs for home, car, and personal loans.
The standard EMI formula used by all Indian banks and NBFCs is:
Example: For a ₹30 lakh home loan at 8.5% for 20 years: r = 8.5 ÷ 12 ÷ 100 = 0.00708, n = 240. The EMI works out to approximately ₹26,035 per month. Total interest paid over 20 years = ₹32.5 lakh — more than the original principal.
| Feature | Home Loan | Car Loan | Personal Loan |
|---|---|---|---|
| Typical Amount | ₹10L – ₹5Cr | ₹2L – ₹50L | ₹50K – ₹40L |
| Interest Rate | 8.35% – 9.5% | 8.75% – 12% | 10.5% – 24% |
| Tenure | 5 – 30 years | 1 – 7 years | 1 – 5 years |
| Collateral | Property | Vehicle | None |
| Processing Time | 7–15 days | 2–5 days | Same day – 3 days |
| Tax Benefit | Section 24(b) & 80C | None (unless business) | None |
| Loan Type | Rate Range | Key Lenders |
|---|---|---|
| Home Loan | 8.35% – 9.5% | SBI, HDFC, ICICI, Axis, Kotak |
| Car Loan | 8.75% – 12% | Varies by vehicle type and lender |
| Personal Loan | 10.5% – 24% | Depends on credit score and income |
| Education Loan | 8.15% – 15% | Subsidised rates for government schemes |
| Loan Against Property | 9% – 13% | Banks and NBFCs |
A CIBIL score of 750+ can get you a home loan at 8.35–8.65%. The same loan with a score of 680 may attract 10–10.5% — that's ₹15+ lakh more interest over 20 years. Always check your CIBIL score before applying.
An amortisation schedule shows how each EMI splits between principal and interest over the entire loan tenure. Here's how a ₹30 lakh home loan at 8.5% for 20 years looks in the early and later years:
| Year | EMI (₹) | Principal Paid (₹) | Interest Paid (₹) | Balance (₹) |
|---|---|---|---|---|
| Year 1 | 26,035/mo | 79,302 | 2,32,800 | 29,20,698 |
| Year 5 | 26,035/mo | 1,10,244 | 2,01,855 | 25,09,480 |
| Year 10 | 26,035/mo | 1,62,384 | 1,49,715 | 18,55,342 |
| Year 15 | 26,035/mo | 2,39,130 | 72,969 | 9,55,820 |
| Year 20 | 26,035/mo | 3,12,420 | 10,900 | 0 |
Key insight: In Year 1, nearly 75% of each EMI goes toward interest. By Year 15, more than 75% goes toward principal. This is why prepaying in the early years saves dramatically more than prepaying later.
Making a lump-sum prepayment on your loan — even a small one — can save lakhs in interest. Here's the impact on a ₹30 lakh home loan at 8.5% for 20 years:
| Prepayment (after Year 3) | Interest Saved | Tenure Reduced By |
|---|---|---|
| ₹1 lakh | ~₹2.1 lakh | ~8 months |
| ₹3 lakh | ~₹6.2 lakh | ~26 months |
| ₹5 lakh | ~₹9.8 lakh | ~40 months |
| ₹10 lakh | ~₹17.4 lakh | ~72 months |
RBI rule: For floating-rate home loans from banks, there is no prepayment penalty. For fixed-rate loans or loans from NBFCs, a prepayment charge of 2–4% may apply. Always check your loan agreement before prepaying.
Reducing the principal reduces your EMI proportionally. A 30% down payment instead of 20% on a ₹50 lakh home reduces your EMI by roughly ₹4,000/month and saves ₹10+ lakh in interest.
Better scores get lower interest rates. The difference between 8.5% and 10.5% on a ₹30 lakh loan over 20 years is over ₹15 lakh — entirely due to your credit score.
A longer tenure reduces monthly EMI but increases total interest paid. Use it to manage cash flow — but make periodic prepayments to reduce the actual tenure and interest burden.
Even small annual prepayments significantly reduce total interest — use the prepayment calculator to see exactly how much. Targeting one extra EMI per year can cut 2–3 years off a 20-year loan.
Switch lenders if the rate difference is more than 0.5% and you have significant remaining tenure. Most banks offer balance transfer facilities with minimal paperwork. Savings can be lakhs on a large home loan.