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EMI Calculator

Calculates your Equated Monthly Instalment with a full principal-versus-interest breakdown and yearly schedule.

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Enter your figures and press Calculate.
In short EMI Calculator is a free online tool on inputtesthub.com that calculates your Equated Monthly Instalment with a full principal-versus-interest breakdown and yearly schedule. It needs no account, no download and no payment, and there is no daily usage limit. Everything is processed inside your own browser, so the data you paste is never uploaded to a server.

How to use the EMI Calculator

  1. Enter your figures in the input fields.
  2. The result updates as you type, together with the full working.
  3. Check the breakdown table to see exactly how the number was reached.

About the EMI Calculator

The EMI Calculator calculates your Equated Monthly Instalment with a full principal-versus-interest breakdown and yearly schedule. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.

What people use it for

  • Checking a bank's quoted EMI before you accept it.
  • Working out the maximum loan your budget supports.
  • Comparing a 10-year and a 15-year tenure side by side.

The maths behind it

This tool uses EMI = P × r × (1+r)ⁿ ÷ ((1+r)ⁿ − 1), the same reducing-balance formula banks use, where r is the monthly rate and n the number of months. Every intermediate value is shown on screen, so the result can be checked by hand.

Explained in our guides

All guides
Guide

Why a 10% Loan Costs 17%

A 10% flat loan over five years is a 17.27% reducing-balance loan. Same headline number, 82% more interest…

Frequently asked questions

Is the EMI Calculator free, or is there a paid tier?
Free, unlimited, and no email address required. You can use it a hundred times a day and nothing changes.
Is what I paste into the EMI Calculator stored?
No. The EMI Calculator runs entirely in your browser using JavaScript. Your input never reaches inputtesthub.com or any third party — open your browser's Network tab while you use it and you will see no request go out.
How is the result calculated?
It uses EMI = P × r × (1+r)ⁿ ÷ ((1+r)ⁿ − 1), the same reducing-balance formula banks use, where r is the monthly rate and n the number of months. The full working is printed under the result, so you can follow every step rather than trusting a black box.
What do I get if I try it?
Enter 1,000,000 at 9.5% for 10 years and the EMI Calculator returns an EMI of about 12,940 and roughly 552,800 paid in interest over the term.
What do people use the EMI Calculator for most?
The jobs it is built for: checking a bank's quoted EMI before you accept it. Working out the maximum loan your budget supports. Comparing a 10-year and a 15-year tenure side by side. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Can I rely on this for exact work?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.

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