EMI (Equated Monthly Instalment) is the fixed monthly payment made to repay a loan, consisting of principal and interest.

What is the EMI formula?

EMI = P × r × (1+r)^n / ((1+r)^n − 1), where P=principal, r=monthly interest rate, n=number of months.

What factors affect EMI the most?

Principal, interest rate, and tenure. Higher rate or principal increases EMI; longer tenure usually reduces EMI but increases total interest.

How do I calculate total interest on a loan?

Total interest = (EMI × number of months) − principal.

Does EMI change over time?

For fixed-rate loans, EMI stays constant but the split between interest and principal changes. For floating-rate loans, EMI may change when the rate changes.

EMI calculator online

Calculate loan EMI (monthly payment), total interest, and total payable amount.

Loan amount (principal)

Interest rate (annual %)

Tenure (years)

Decimals

Result will appear here.

What is an EMI calculator?

An EMI calculator helps you estimate your monthly loan repayment (EMI), total interest payable, and the total amount you will pay over the full tenure. It’s most useful for comparing different rates and tenures before choosing a loan (home loan, personal loan, car loan, etc.).

How to calculate EMI online

You need three inputs: loan amount (principal), annual interest rate, and tenure. This calculator converts the annual rate to a monthly rate and calculates EMI over total months.

Step-by-step

1) Enter principal: the loan amount you borrow.

2) Enter annual interest rate: for example 10.5 (not 0.105).

3) Enter tenure in years: it converts to months automatically.

4) Read results: EMI (monthly), total interest, total payable.

EMI calculation formula

EMI = P × r × (1+r)^n / ((1+r)^n − 1)
P = principal, r = monthly rate (annual%/12/100), n = number of months

Example EMI calculation

Example: principal ₹5,00,000 @ 10.5% for 5 years → this tool will output monthly EMI + total interest + total payable. (Exact value depends on rounding; use the calculator for precise figures.)

What is EMI?

EMI stands for Equated Monthly Instalment. It’s the fixed amount you pay every month to repay a loan. Each EMI includes a part of the principal and a part of the interest. In the early months, the interest component is higher. Over time, the principal repayment increases.

What affects EMI the most?

EMI depends mainly on principal, interest rate, and tenure. Increasing tenure usually reduces EMI but increases total interest. A small change in interest rate can have a big impact on long tenures (like home loans), so it’s useful to compare scenarios quickly.

When should you use this tool?

Use it when comparing loan offers, deciding tenure vs EMI tradeoffs, estimating affordability, or checking how a rate change impacts monthly cash flow. For floating-rate loans, treat results as an estimate at the current rate.

Fixed vs floating rate (important note)

If your loan is fixed-rate, EMI typically stays constant and the amortization split changes over time. For floating-rate loans, the lender may revise your EMI or tenure when interest rates change. This calculator assumes a constant rate for estimation.

Common mistakes (and how to avoid them)

Using monthly rate as annual rate: always enter annual % (e.g. 10.5).

Comparing only EMI: also compare total interest and total payable.

Ignoring tenure effect: longer tenure looks cheaper monthly but costs more overall.

Why use this EMI calculator online?

It saves time and reduces mistakes compared to manual calculations. You can quickly compare different interest rates or tenures to see how they impact EMI and total interest.

FAQs

How to compute total interest? Total interest = (EMI × months) − principal.

Does prepayment reduce EMI? It can reduce EMI or tenure depending on lender rules; either way it usually reduces total interest.

Is this exact? It’s a close estimate for fixed-rate loans. Fees, insurance, and varying rates can change real schedules.