EMI Calculator Zerodha: Calculate Monthly Loan Payments

An EMI calculator estimates the fixed monthly instalment on a loan from its principal, annual interest rate and term. Enter those three figures to see the monthly payment and the total interest under a standard fixed-rate repayment formula; this is a general calculator, not a Zerodha-specific service or statement of any product offered by Zerodha.

Formula

The standard fixed-payment EMI formula is:

EMI = P × r × (1 + r)ⁿ ÷ ((1 + r)ⁿ − 1)

Equivalently, EMI = P × r ÷ (1 − (1 + r)⁻ⁿ). The calculator uses that equivalent form. Its variables are:

P = principal, or amount borrowed, in your currency.
APR = annual interest rate entered as a percentage.
r = monthly interest rate as a decimal: APR ÷ 1200.
n = number of monthly payments: loan term in years × 12.
EMI = calculated monthly payment in your currency.

Total interest in this estimate is the rounded monthly payment multiplied by the number of payments, minus the principal. It assumes the payment remains level and is made monthly. The interest output may differ slightly from a lender’s schedule if the lender calculates interest daily, uses different rounding, or applies fees or other charges.

Worked Example

Using the calculator defaults: principal P = 20,000, APR = 8%, and term = 5 years.

Convert the annual percentage rate to a monthly decimal: r = 8 ÷ 1200 = 0.0066667.
Convert the term to payments: n = 5 × 12 = 60 months.
Substitute into the formula: EMI = 20,000 × 0.0066667 ÷ (1 − (1 + 0.0066667)⁻⁶⁰).
The unrounded payment is approximately 405.53; rounded to two decimal places, the monthly payment is 405.53.
Total of rounded payments = 405.53 × 60 = 24,331.80. Estimated total interest = 24,331.80 − 20,000 = 4,331.80.

Assumptions

The annual rate is fixed for the entire term.
Payments are equal monthly instalments, made at the end of each monthly period.
Interest compounds monthly at APR ÷ 12.
The estimate excludes fees, taxes, insurance, PMI and escrow; none of these are inputs.
The displayed EMI is rounded to two decimal places, and total interest uses that rounded payment.

What “EMI Calculator Zerodha” Means

People searching “EMI calculator Zerodha” may be looking for a tool connected with Zerodha, or may simply want to calculate an EMI while using Zerodha’s investment services. An EMI, short for equated monthly instalment, is a regular payment used to repay a loan over a stated period. This calculator performs the general loan arithmetic from the figures you provide. It does not access an account, retrieve a loan offer, or represent that Zerodha provides or endorses this calculator.

Keep the distinction between investing and borrowing clear: an EMI estimate does not calculate investment returns, tell you whether a loan is suitable, or establish that a lender will approve an application. For a real loan, use the principal, rate, term and charges stated in the relevant lender disclosure.

How to Use the EMI Estimate

Enter the amount borrowed, not the total of all future instalments.
Enter the annual interest rate as a percentage. For example, enter 8 for 8%, not 0.08 or 8.0 as a decimal fraction.
Enter the repayment term in years. A five-year term is 5; the calculator converts it into 60 monthly payments.
Read the monthly payment first, then review total interest as an estimate based on the rounded payment.

For comparison, change one input at a time and keep the other assumptions constant. A larger principal or higher rate generally raises the calculated payment; a longer term generally lowers the monthly payment but results in more scheduled payments. These are mathematical effects under the formula, not a recommendation about which loan terms to choose.

What the Result Leaves Out

Actual repayment schedules can differ. A variable rate can change the payment or repayment period, while fees added to the balance can change the amount on which interest accrues. Lenders may also use daily interest accrual, different payment dates, or distinct rounding conventions. This calculator models a fixed rate, monthly periods and equal payments, rather than those contract details.

A common misconception is that the EMI alone is the full cost of a loan. The figure covers only the principal-and-interest payment represented by this formula. It does not include separate charges or show how a lender allocates each payment between principal and interest. In the usual level-payment pattern, the interest portion tends to be larger earlier in repayment and declines as the outstanding balance falls, while the principal portion grows.

Likewise, total interest here is a formula-based estimate, not necessarily the lender’s exact figure. Because the monthly payment is rounded to cents before the total is calculated, the final instalment on a real schedule may be adjusted to settle a small remaining balance.

Frequently Asked Questions

Does Zerodha have an EMI calculator?
This page provides a general EMI calculator and does not claim it is a Zerodha tool. Check the relevant service directly if you are asking about a particular company feature.

What does EMI stand for?
EMI means equated monthly instalment: a scheduled monthly payment that, under a fixed-rate level-payment loan, covers interest and repays principal over the term.

How do I calculate EMI manually?
Convert APR to a monthly decimal by dividing it by 1200, convert years to months by multiplying by 12, then substitute principal, monthly rate and payment count into the formula above.

Why is my lender’s EMI different?
Possible reasons include a different rate or principal, fees included in the loan, a variable rate, daily rather than monthly interest calculation, payment timing, or rounding rules.

Does a longer loan term reduce total interest?
Not necessarily. Under the fixed-rate formula, a longer term usually reduces each monthly payment while increasing the number of payments, which generally raises total interest for the same principal and rate.

Is this calculator financial advice?
No. It performs educational estimate arithmetic only; it does not assess affordability, approval, or whether borrowing is appropriate.

The result is an estimate, and the lender’s disclosure gives the exact figures.

Formula used

in p | Loan amount | - | 20000 | 1 | 100000000
in apr | Interest rate (APR) | % | 8 | 0.01 | 100
in yrs | Loan term | years | 5 | 0.0833 | 50
out pmt | Monthly payment | - | p * (apr / 1200) / (1 - (1 + apr / 1200) ^ -(yrs * 12)) | 2
out int | Total interest | - | pmt * yrs * 12 - p | 2

Each line is one input (in, sel, list) or one result (out: label, unit, formula, decimals). How the calculators work

Method: the standard loan formula for this calculation, fixed rate and monthly compounding unless stated, rounded as each result states. Not financial advice; no lender, rate or product is recommended. See formulas and assumptions, the disclaimer or report an error.