Overview:

The Loan EMI Calculator Web Tool is a responsive and user-friendly web application that helps users calculate their Equated Monthly Installments (EMIs) for loans. It allows users to input loan amount, interest rate, and loan tenure to compute the monthly EMI, total interest payable, and total repayment amount. The tool is especially useful for individuals planning personal, home, or vehicle loans.

It serves as a financial planning assistant for both users and loan advisors, and can be embedded into banking or finance-related websites.

Technologies Used:

• Frontend: HTML, CSS, Bootstrap, JavaScript

• Backend (optional): PHP / Node.js / Java (for storing history or user accounts)

• Libraries: Chart.js for visualizing EMI breakdown

• Optional Database: MySQL / MongoDB for saving user calculations or profiles

User Roles (Optional):

• Guest User: Access the EMI calculator freely

• Registered User: Save calculation history, compare multiple loans

Key Features:

Core Functionalities:

• Input fields:

  • Loan Amount (₹/$)

  • Annual Interest Rate (%)

  • Loan Tenure (Years/Months)

• Calculate button triggers EMI formula:

  EMI=P×R×(1+R)N(1+R)N−1EMI = \frac{P \times R \times (1+R)^N}{(1+R)^N - 1}EMI=(1+R)N−1P×R×(1+R)N​

  Where:
  P = Loan amount
  R = Monthly interest rate (annual rate / 12 / 100)
  N = Loan tenure in months

• Outputs:

  • Monthly EMI

  • Total Interest Payable

  • Total Payment (Principal + Interest)

  • Pie chart showing principal vs interest

Extra Functionalities (Optional):

• Amortization schedule: Monthly breakup of principal and interest

• Download result as PDF

• Reset calculator

• Compare two loans side-by-side

• Currency selector (₹, $, €, etc.)

Modules & Pages:

• Homepage: EMI calculator UI with form and results

• Comparison Page: Compare EMI for two different loans

• History Page (for logged-in users): View past EMI calculations

• Info Page: Explains loan terms (interest rate types, tenure, principal)

• Admin Panel (optional): Manage users and saved records

Security Features (if backend used):

• Basic login/register with password hashing

• Form input validation

• Secure session handling