EMI Calculator
Calculate your Equated Monthly Installment for any loan, with a full year-by-year amortization schedule and a principal-vs-interest breakdown.
Your loan
Works for any fixed-rate, fully amortizing loan — home, car, personal, or education.
Monthly EMI
$525/mo
Fixed for the full tenure
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Yearly Amortization Schedule
| Year | Principal paid | Interest paid | Ending balance |
|---|
Last updated: August 25, 2026 · Reviewed by the DoCalc team
What Is EMI?
EMI stands for Equated Monthly Installment — the fixed amount you pay every month toward a loan until it's fully repaid. Each EMI covers that month's interest first, with the remainder going toward the principal. The payment amount never changes, but the split inside it does: early on, most of each EMI is interest; toward the end, most of it is principal.
The EMI Formula
Worked Example
A $25,000 loan at 9.5% annual interest over 5 years (60 EMIs): monthly rate r = 9.5% ÷ 12 = 0.7917%. Running the formula gives an EMI of $525/month, for a total of $31,479 paid over the full tenure — $6,479 of that is interest.
How the Amortization Schedule Works
The table below breaks the loan down year by year: how much of that year's EMIs went to principal, how much went to interest, and what balance remains. Notice how the principal-paid column grows and the interest-paid column shrinks every year — that's the amortization effect, and it's the same reason paying extra toward principal early in a loan saves far more interest than paying extra later.
What Changes Your EMI
| Factor | Effect on EMI |
|---|---|
| Higher loan amount | Higher EMI (proportionally) |
| Higher interest rate | Higher EMI |
| Longer tenure | Lower EMI, but more total interest paid |
| Shorter tenure | Higher EMI, but less total interest paid |
Worth knowing: A longer tenure lowers your monthly EMI but increases the total interest you pay over the life of the loan — there's a real tradeoff between monthly affordability and total cost.
Common Mistakes to Avoid
The most common mistake is comparing loan offers by EMI alone — two loans with the same EMI can have very different total interest costs if their tenures differ. A second mistake is ignoring processing fees and other charges lenders add on top of the EMI, which this calculator (like most EMI calculators) doesn't include since they vary by lender. A third is not accounting for a floating/variable interest rate — this calculator assumes a fixed rate for the full tenure.
Frequently Asked Questions
What does EMI stand for?
Equated Monthly Installment — a fixed payment made every month toward a loan, covering both interest and part of the principal, until the loan is fully repaid.
What's the EMI formula?
EMI = P × r × (1+r)^n / ((1+r)^n − 1), where P is the loan principal, r is the monthly interest rate (annual rate ÷ 12 ÷ 100), and n is the number of monthly installments.
Does the EMI amount change over the loan term?
No — for a standard fixed-rate loan, the EMI stays the same every month. What changes is the split inside each payment: early payments are mostly interest, later payments are mostly principal.
Can I use this for a home, car, or personal loan?
Yes — the EMI formula is identical for any fixed-rate, fully amortizing loan, whether it's a home loan, auto loan, personal loan, or education loan. Only the numbers you enter change.
How can I reduce my total interest paid?
Making extra principal payments, choosing a shorter tenure, or refinancing to a lower rate all reduce total interest — a shorter tenure raises the EMI but cuts interest the most.