Guide
Loan EMI Explained — Payment, Interest & Tenure
EMI (Equated Monthly Installment) is a fixed monthly loan payment used worldwide for personal, auto, and home loans. Understanding EMI helps you compare offers before you sign — payment size, total interest, and how long you stay in debt.
Updated September 15, 2026
What EMI is
Each EMI covers interest first on the outstanding balance, then principal. Early in the loan more of each payment is interest; later more is principal.
The classic formula is EMI = P · r(1+r)^n / ((1+r)^n − 1), where P is principal, r is the monthly rate, and n is tenure in months.
How to use the calculator
Enter sanctioned principal, annual interest rate, and tenure in months (for example 36 for 3 years or 240 for 20 years).
Review EMI, total of payments, and total interest. Use the schedule or chart when you want to see year-by-year paydown.
How to read the numbers
EMI is the fixed monthly outflow if rate and tenure stay unchanged.
Shorter tenure → higher EMI, lower total interest. Longer tenure → lower EMI, higher total interest.
Processing fees, insurance, and floating-rate resets are usually outside a basic EMI estimate.
Common mistakes
Entering years where the field expects months (or the reverse).
Using APR that includes fees as if it were the amortizing nominal rate.
Comparing EMIs without aligning tenure and fee structures.
Worked example
A $10,000 personal loan at 12% annual interest for 36 months has monthly r = 0.12/12 = 0.01. EMI is about $332.14. Total payments are roughly $11,957; total interest about $1,957 if you never prepay.
Open the Loan / EMI Calculator with those inputs, then shorten tenure to 24 months to see how payment rises while interest falls.