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Loan EMI Calculator
Work out your monthly EMI, total interest and total payment for any loan, and see how the balance falls over time. Enter your numbers and press Calculate.
Written by TopicDrill Editorial Team·Updated June 2026
Remaining balance over time
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How the loan EMI calculator works
Your EMI is a single fixed amount that you pay every month until the loan is cleared. Part of each payment covers the interest charged on the outstanding balance, and the rest reduces the principal. Early on, most of the EMI goes to interest. As the balance falls, more of each payment goes to principal, which is why the balance chart above curves down slowly at first and faster later.
The math behind it is the standard amortization formula. We multiply the principal by the monthly rate, scale it by how the interest compounds over the full term, and divide so the loan reaches zero on the final payment. The calculator amortizes the loan month by month to total the interest accurately.
A quick example
Borrow $200,000 at 9% over 15 years. The monthly EMI works out to roughly $2,029. Over the full term you repay about $365,000, which means around $165,000 of that is interest. Shorten the tenure to 10 years and the EMI rises, but the total interest you pay drops sharply.
Things to keep in mind
This is an estimate. Your actual rate depends on credit, lender and loan type, and some loans add fees that change the real cost. For consumer borrowing basics, the Consumer Financial Protection Bureau is a reliable source. You can also compare scenarios with our other free calculators.
Frequently asked questions
How is a loan EMI calculated?
EMI uses the formula EMI = P·r(1+r)^n / ((1+r)^n − 1), where P is the loan amount, r is the monthly interest rate (annual rate divided by 12 and by 100) and n is the number of monthly payments. The result is a fixed amount you pay every month until the loan is cleared.
What does EMI stand for?
EMI stands for Equated Monthly Installment. It is the fixed payment you make to the lender each month, covering both interest and a part of the principal. Early payments are mostly interest, while later payments are mostly principal.
Does a longer tenure reduce my EMI?
Yes. Stretching the loan over more years lowers each monthly EMI because the principal is spread across more payments. The trade off is that you pay more total interest over the life of the loan, since the balance is outstanding for longer.
How can I lower the total interest I pay?
You can lower total interest by choosing a shorter tenure, negotiating a lower rate, or making extra payments toward the principal when possible. Even small prepayments early in the loan reduce the balance that interest is charged on.
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