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Loan EMI Calculator

Plan your loan repayment with our loan EMI calculator. Calculate monthly payments, total interest payable, and total cost of loan with interactive tenure sliders.

Loan Parameters

$
%
Loan Tenure (Years)10 Years (120 Months)
Monthly Loan EMI
$1,239.86

Total interest over 10 years: $48,782.83

Principal Amount
$100,000.00
Total Interest
$48,782.83
Total Amount Payable
$148,782.83
Tenure (Months)
120 months
Principal: 67.2%Interest: 32.8%

An EMI is a fixed monthly payment covering both interest and principal over the life of a loan. The instalment stays constant, but its composition shifts: early payments are mostly interest, later ones mostly principal. That is why paying an extra instalment in year one saves far more than the same amount in year eight. This calculator returns your EMI, total interest, and total repayment from the loan amount, rate, and tenure.

Formulas & Mathematical Logic

Standard EMI Formula

Formula 1
EMI = [P × R × (1+R)^N] / [(1+R)^N - 1]

P = Principal loan amount, R = Monthly interest rate (Annual % / 12 / 100), N = Number of monthly installments.

Example: Loan $100,000 at 8% for 10 years (120 months) = $1,213.28 per month.

How to calculate your loan EMI

  1. Enter the principal — the amount actually borrowed, after any down payment.
  2. Enter the annual interest rate as quoted by the lender.
  3. Set the tenure in months or years.
  4. Read the monthly EMI, and check total interest — that figure, not the EMI, is what a longer tenure really costs you.

The Loan EMI Calculator runs entirely in your browser — nothing you enter is uploaded, stored, or logged.

When to use this tool

Comparing loan offers

Two loans with the same EMI can differ substantially in total interest if their tenures differ. Comparing total repayment rather than monthly outgo is the honest comparison.

Choosing a tenure

Extending a home loan from 15 to 20 years visibly reduces the EMI while quietly adding a large amount of total interest. Seeing both numbers together makes the trade-off explicit.

Checking affordability before applying

Lenders generally want total EMI obligations below roughly 40–50% of net monthly income. Calculating first tells you what you can realistically borrow.

Things worth knowing

  • The standard formula is EMI = P × r × (1+r)^n ÷ ((1+r)^n − 1), where r is the monthly rate (annual ÷ 12 ÷ 100) and n is the number of months.
  • Processing fees, insurance, and documentation charges sit outside the EMI. Ask for the effective annual rate including them.
  • Prepayment early in the tenure saves disproportionately, because that is when the interest component is largest.
  • A floating-rate EMI is only a snapshot — lenders usually adjust tenure rather than instalment when rates move.

Frequently Asked Questions

Can I reduce my EMI by paying extra principal?

Yes, prepaying principal reduces remaining tenure or monthly EMI obligation.

How is EMI actually calculated?

Using the reducing-balance formula EMI = P × r × (1+r)^n ÷ ((1+r)^n − 1), where P is principal, r is the monthly interest rate, and n is the number of monthly instalments. Interest each month is charged on the outstanding balance, so as principal reduces the interest portion falls and the principal portion rises, while the total instalment stays fixed.

Does a longer tenure make a loan cheaper?

It makes each month cheaper and the loan considerably more expensive overall. Interest accrues for longer on a balance that reduces more slowly. Extending a ₹50 lakh home loan at 9% from 15 to 20 years cuts the EMI by roughly ₹5,700 but adds around ₹16 lakh in total interest.

How much does prepayment save?

It depends heavily on timing. A lump sum paid in the first few years removes principal that would otherwise have accrued interest for the entire remaining tenure, so the saving is large. The same amount paid near the end saves very little, because most of the interest has already been charged.

Is the EMI shown the full monthly cost?

No. It covers principal and interest only. Processing fees, insurance premiums bundled by the lender, and for home loans the property taxes and maintenance charges are all additional. Ask the lender for the annual percentage rate including charges to compare offers fairly.

What happens to my EMI if interest rates change?

On a fixed-rate loan, nothing. On a floating-rate loan, most lenders keep the instalment constant and adjust the tenure instead, so a rate rise extends how long you pay rather than increasing the monthly amount — until the tenure hits its ceiling, at which point the EMI itself rises.

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