What is an EMI?
EMI stands for Equated Monthly Instalment. It is the fixed amount you pay the bank or lender every month until your loan is fully repaid. Each EMI has two parts: interest on the money you still owe, and principal, which reduces the loan itself. At the start of the loan most of the EMI goes towards interest; towards the end, most of it goes towards principal. You can see this clearly in the schedule above.
EMI formula
Banks use this standard formula:
EMI = P × r × (1 + r)n ÷ ((1 + r)n − 1)
- P = loan amount (principal)
- r = monthly interest rate = yearly rate ÷ 12 ÷ 100
- n = number of monthly instalments (years × 12)
Example: for a ₹10,00,000 loan at 9% a year for 5 years, r = 9 ÷ 12 ÷ 100 = 0.0075 and n = 60. The EMI comes to about ₹20,758, and you pay about ₹2,45,501 in total interest.
How to reduce your EMI or total interest
- Make a bigger down payment. A smaller loan means a smaller EMI and less interest.
- Compare interest rates. Even 0.5% less can save lakhs on a long home loan.
- Choose the tenure carefully. A longer tenure lowers the EMI but increases the total interest. A shorter tenure does the opposite.
- Prepay when you can. Extra payments towards principal (for example from a bonus) cut the interest you pay later. Check your lender's prepayment charges first.
- Keep a good credit score. A CIBIL score above 750 usually gets you better rates.
Home loan vs car loan vs personal loan
| Loan type | Typical interest rate | Typical tenure |
|---|---|---|
| Home loan | 8% – 10% | Up to 30 years |
| Car loan | 8.5% – 12% | Up to 7 years |
| Personal loan | 10.5% – 24% | 1 – 5 years |
These ranges are only a rough guide. Actual rates depend on the lender, your income and your credit score. This calculator gives an estimate; your lender's loan offer is the final figure.
Frequently asked questions
Is the EMI calculated here the same as the bank's?
It uses the same standard reducing-balance formula that most banks use. Small differences can come from processing fees, insurance, or the exact date your first EMI starts.
Is a longer tenure better?
A longer tenure gives a lower monthly EMI, which is easier on your budget, but you pay much more interest overall. Choose the shortest tenure whose EMI you can comfortably afford.
How much EMI can I afford?
A common guideline is to keep all your EMIs together below 40–50% of your monthly take-home income.
Does this calculator work for flat-rate loans?
No. It uses the reducing-balance method. Some lenders quote a "flat rate", which works out to a much higher effective interest rate.