Interest Amortization Calculator

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Personal Loan EMI Calculator

Estimate your monthly payments and total interest instantly.

Your Estimated Monthly EMI

$0.00
Total Interest Payable $0.00
Total Payment (Principal + Int) $0.00
Processing Fee Amount $0.00
Total Cost of Loan $0.00

Understanding Personal Loan EMI Calculations

A Personal Loan EMI (Equated Monthly Installment) is a fixed amount of money that a borrower pays to a lender at a specific date each calendar month. EMIs are applied to both interest and principal every month, so that over a specified number of years, the loan is paid off in full.

How the EMI Formula Works

Our calculator uses the standard mathematical formula for EMI calculation:

E = P × r × (1 + r)^n / ((1 + r)^n – 1)

  • P: Principal loan amount
  • r: Monthly interest rate (Annual rate / 12 / 100)
  • n: Loan tenure in months

Example Calculation

If you borrow $10,000 at an annual interest rate of 10% for a period of 2 years (24 months):

  • Monthly Interest Rate (r) = 10 / (12 * 100) = 0.00833
  • Number of Months (n) = 24
  • EMI = [10,000 × 0.00833 × (1 + 0.00833)^24] / [((1 + 0.00833)^24) – 1]
  • Monthly EMI: $461.45

Factors That Affect Your Loan EMI

Several factors play a crucial role in determining your monthly outflow:

  1. Principal Amount: The higher the loan amount, the higher the EMI.
  2. Interest Rate: Higher rates lead to higher EMIs and significantly more total interest paid over time.
  3. Tenure: A longer tenure reduces your monthly EMI but increases the total interest you pay to the bank. Conversely, a shorter tenure increases the EMI but saves money on interest.
  4. Processing Fees: Many lenders charge a one-time fee (usually 1-3%) which is often deducted from the loan disbursement amount.

Tips to Reduce Your Loan Burden

To keep your personal loan affordable, consider making a larger down payment if applicable, or choosing a shorter tenure if your monthly budget allows. Additionally, always check for "prepayment" clauses that allow you to pay off the loan early without heavy penalties.

function calculateEMI() { var principal = parseFloat(document.getElementById("loanAmount").value); var annualRate = parseFloat(document.getElementById("interestRate").value); var years = parseFloat(document.getElementById("loanTenure").value); var feePercent = parseFloat(document.getElementById("processingFee").value); if (isNaN(principal) || isNaN(annualRate) || isNaN(years) || principal <= 0 || annualRate <= 0 || years <= 0) { alert("Please enter valid positive numbers for all fields."); return; } var monthlyRate = annualRate / 12 / 100; var months = years * 12; // EMI Formula: [P x R x (1+R)^N]/[(1+R)^N-1] var emi = (principal * monthlyRate * Math.pow(1 + monthlyRate, months)) / (Math.pow(1 + monthlyRate, months) – 1); var totalPayment = emi * months; var totalInterest = totalPayment – principal; var feeAmount = (feePercent / 100) * principal; var totalCost = totalInterest + feeAmount; // Display Results document.getElementById("resultBox").style.display = "block"; document.getElementById("monthlyEMI").innerText = "$" + emi.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("totalInterest").innerText = "$" + totalInterest.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("totalPayment").innerText = "$" + totalPayment.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("feeAmount").innerText = "$" + feeAmount.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); document.getElementById("totalCost").innerText = "$" + (totalInterest + principal + feeAmount).toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); // Smooth scroll to result document.getElementById("resultBox").scrollIntoView({ behavior: 'smooth', block: 'nearest' }); }

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