Calculate your loan EMI & total interest
EMI stands for Equated Monthly Instalment. It is the fixed amount you pay every month to repay a loan. Every EMI payment is a mix of two things: a portion that goes toward paying off the original loan amount (called the principal), and a portion that covers the interest charged by the bank.
An EMI calculator does the complex maths instantly. You enter three numbers: the loan amount, the interest rate, and the loan duration. The calculator applies the standard EMI formula and tells you exactly how much you will pay each month, how much total interest you will pay over the life of the loan, and the total amount that will leave your account.
This is one of the most important financial tools you can use before taking any loan. Knowing your EMI upfront helps you decide if the loan is affordable and whether you should negotiate better terms.
The formula looks intimidating but the idea is straightforward:
EMI = P × r × (1+r)^n / ((1+r)^n - 1)
Where P = Principal | r = Monthly interest rate | n = Number of months
Here is a real example:
That means you pay back nearly double the original loan amount over 20 years. This is why comparing loan offers matters so much.
Usually the largest and longest loan most people take. Rates typically range from 8% to 12% per annum. Duration can be 10 to 30 years. Even a 0.5% difference in rate saves lakhs over the loan period.
Typically 3 to 7 years. Rates range from 7% to 14%. Shorter durations have higher EMIs but you pay less total interest. Compare the on-road price versus the total loan cost before deciding.
Unsecured loans with higher interest rates (12% to 24%). Short durations of 1 to 5 years. These have the highest monthly burden relative to loan size. Use sparingly.
Usually starts repayment after a moratorium period. Rates range from 8% to 15%. Some banks offer subsidised rates for certain courses. Factor in the career salary trajectory when choosing a loan amount.
Rates vary widely from 10% to 30% depending on business type, credit score, and collateral. Calculate the ROI your business needs to generate to comfortably cover the EMI.
One of the lowest interest rate options (7% to 12%). Short durations of 6 months to 3 years. Good for quick liquidity needs without losing an asset long-term.
You have four real levers to pull when trying to make your EMI more affordable:
Most home loans in India are floating rate loans, which means the rate changes when the RBI changes the repo rate. When rates go up, your EMI either increases or your loan tenure extends — depending on your bank's policy. When rates fall, you benefit with lower EMIs or a shorter repayment period. Always ask your bank how they handle rate changes before signing the loan agreement.
This depends entirely on your financial situation. A shorter tenure means a higher monthly EMI but far less total interest paid — you save lakhs over the life of the loan. A longer tenure reduces your monthly burden, improving cash flow, but you pay significantly more in total interest. The general advice is to choose the shortest tenure your monthly budget comfortably allows. Use the calculator to compare both scenarios and see the difference in total interest paid.
In a flat rate loan, interest is calculated on the full original principal throughout the entire loan period. In a reducing balance loan (which most bank loans use), interest is calculated only on the outstanding principal, which decreases with every payment. Reducing balance loans are almost always cheaper. A flat rate of 10% is actually equivalent to roughly 18% on a reducing balance basis. Always confirm which method a lender uses before comparing rates.
For most retail loans in India (home loans, personal loans, car loans) from banks, the RBI does not allow prepayment penalties on floating rate loans. However, some fixed rate loans and NBFC loans do have prepayment charges, which can range from 2% to 5% of the outstanding amount. Always read the fine print of the loan agreement and specifically ask about prepayment charges before signing, especially for large long-term loans.
This calculator uses the standard EMI formula used by all banks and financial institutions. The results will match your bank's calculation precisely, assuming a standard reducing balance method. However, your actual EMI may differ slightly if your bank rounds numbers differently, charges additional fees, or adjusts for specific loan terms. Use this calculator for planning and comparison purposes, and always confirm the final EMI with your lender before signing any loan documents.
Most financial advisors and banks recommend keeping your total EMI obligations (all loans combined) below 40% of your monthly take-home salary. Going above 50% leaves very little room for savings, emergencies, and daily living expenses. For a home loan specifically, many banks use a debt-to-income ratio of 40% to 50% as the maximum eligibility threshold. Staying well below this limit gives you financial breathing room and protects you if your income temporarily drops.
Also check your SIP returns, GST amounts, and income tax — all free tools.
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