EMI Calculator with Prepayment Simulator

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A web-based EMI (Equated Monthly Installment) calculator that helps users calculate loan EMIs and visualize the impact of prepayments on their loan schedule.

Features

• Calculate monthly EMI based on principal, interest rate, and tenure
• Support for both monthly and yearly tenure input
• Dynamic amortization schedule showing:
  • Monthly EMI breakdown (Principal and Interest components)
  • Remaining loan balance
  • Prepayment options for each installment
• Real-time recalculation with prepayment inputs
• Total payment and interest paid calculations
• Maximum prepayment limit enforcement

Usage

1. Enter the loan details:

   • Principal amount
   • Annual interest rate (%)
   • Loan tenure (in months or years)

2. The calculator will instantly show:

   • Monthly EMI amount
   • Total payment over loan tenure
   • Total interest to be paid

3. To simulate prepayments:

   • Enter prepayment amounts in the respective month's input field
   • The schedule automatically adjusts to show the impact
   • Maximum allowable prepayment is enforced for each installment

Technical Details

• Built with pure HTML, CSS, and JavaScript
• No external dependencies required
• Reactive design
• Client-side calculations for instant results