EMI Calculator
Calculate your monthly loan instalment in seconds. Enter the loan amount, interest rate, and tenure to see your EMI, total interest payable, and a full month-by-month amortization schedule.
Understanding the EMI Calculator
An EMI (Equated Monthly Instalment) calculator works out the fixed monthly payment on a personal, car, home, or education loan. Enter the principal, annual interest rate, and tenure to see your instalment, total interest, total repayment, and a full month-by-month amortization schedule. It is built for borrowers comparing loan offers, lenders, or tenures so you understand the real cost of credit before signing. All math runs instantly in your browser, with no personal data sent anywhere.
How it works
EMI is the level payment that fully repays the loan over the term. The tool converts the annual rate to a monthly rate (r = annual% / 12 / 100) and counts months (n). It then applies the standard reducing-balance formula so every instalment is identical, but the split shifts: early payments are mostly interest, later ones mostly principal. The amortization table shows, per month, the interest charged on the outstanding balance, the principal repaid, and the remaining balance. Total interest equals EMI x n minus principal. Read the schedule to see how prepayments cut interest and shorten the term.
Worked example
Borrow 500,000 at 10% annual interest for 5 years (60 months). Monthly rate r = 0.10/12 = 0.008333; n = 60. EMI = 500000 x 0.008333 x (1.008333)^60 / ((1.008333)^60 - 1) = about 10,624 per month. Total paid = 10,624 x 60 = 637,440, so total interest is roughly 137,440. In month 1 interest is 500000 x 0.008333 = 4,167 and principal is 6,457; by the final month almost the entire EMI repays principal.
Tips & common mistakes
- Use the same currency and consistent units; the formula is currency-agnostic.
- A longer tenure lowers the EMI but sharply raises total interest paid.
- Even small prepayments early on cut total interest the most, because interest is front-loaded.
- Quoted 'flat' rates are not the same as reducing-balance rates; this tool assumes reducing balance.
- Processing fees, insurance, and GST are not part of EMI; add them to compare the true cost.
Sources & methodology
- • Consumer Financial Protection Bureau — Understanding loan amortization (https://www.consumerfinance.gov)
- • Investopedia — Amortized Loan and EMI definitions (https://www.investopedia.com/terms/a/amortized_loan.asp)
Related tools
Reviewed by the TopOpenTools editorial team · Last updated June 2026. These tools provide general estimates for educational purposes only and are not financial, tax, insurance, investment, or medical advice. Verify important decisions with a qualified professional.
How to Use the EMI Calculator
- 1Enter the loan amount — the total amount you want to borrow.
- 2Enter the annual interest rate — find this in your loan offer letter.
- 3Enter the tenure in years or months.
- 4Click Calculate EMI to see your results.
Frequently Asked Questions
What is EMI?
EMI (Equated Monthly Instalment) is a fixed monthly payment you make to a lender. Each payment covers a portion of the principal and a portion of the interest, with the interest portion decreasing over time.
What is the EMI formula?
EMI = P × r × (1+r)^n / ((1+r)^n – 1), where P = principal loan amount, r = monthly interest rate (annual rate ÷ 12 ÷ 100), and n = number of monthly instalments.
How can I reduce my EMI?
You can lower your EMI by: (1) negotiating a lower interest rate, (2) extending the loan tenure (increases total interest paid), or (3) making a larger down payment to reduce the principal.
Is this calculator accurate?
Yes — it uses the standard reducing-balance EMI formula used by banks. Actual EMI may vary slightly due to processing fees, insurance premiums, or your lender's rounding policy.
Can I use this for any loan type?
Yes. The formula works for home loans, car loans, personal loans, education loans, and any other equal-instalment loan.