Calculate Rate of Investment

Rate of Investment (ROI) Calculator

The Rate of Investment (ROI) is a performance measure used to evaluate the efficiency or profitability of an investment or compare the efficiency of a number of different investments. ROI is used to evaluate the desirability of an investment. An attractive ROI provides a return on investment that profit the investor.

Your Investment Returns:

function calculateROI() { var initialInvestment = parseFloat(document.getElementById("initialInvestment").value); var finalValue = parseFloat(document.getElementById("finalValue").value); var investmentDuration = parseFloat(document.getElementById("investmentDuration").value); var resultDiv = document.getElementById("result"); var roiPercentageP = document.getElementById("roiPercentage"); var annualizedROIP = document.getElementById("annualizedROI"); // Clear previous results roiPercentageP.innerText = ""; annualizedROIP.innerText = ""; if (isNaN(initialInvestment) || isNaN(finalValue) || isNaN(investmentDuration)) { resultDiv.style.color = "red"; resultDiv.innerText = "Please enter valid numbers for all fields."; return; } if (initialInvestment <= 0) { resultDiv.style.color = "red"; resultDiv.innerText = "Initial Investment Cost must be a positive number."; return; } if (investmentDuration <= 0) { resultDiv.style.color = "red"; resultDiv.innerText = "Investment Duration must be a positive number."; return; } var profit = finalValue – initialInvestment; var roi = (profit / initialInvestment) * 100; var annualizedROI = roi / investmentDuration; resultDiv.style.color = "black"; // Reset color to default roiPercentageP.innerText = "Total Rate of Investment (ROI): " + roi.toFixed(2) + "%"; annualizedROIP.innerText = "Annualized Rate of Investment: " + annualizedROI.toFixed(2) + "% per year"; } .calculator-wrapper { font-family: Arial, sans-serif; max-width: 600px; margin: 20px auto; padding: 20px; border: 1px solid #ddd; border-radius: 8px; background-color: #f9f9f9; } .calculator-form h2 { text-align: center; color: #333; margin-bottom: 20px; } .calculator-form p { text-align: center; color: #555; margin-bottom: 30px; line-height: 1.5; } .form-group { margin-bottom: 20px; display: flex; flex-direction: column; } .form-group label { margin-bottom: 8px; font-weight: bold; color: #444; } .form-group input[type="number"] { padding: 12px; border: 1px solid #ccc; border-radius: 4px; font-size: 1rem; box-sizing: border-box; /* Ensure padding doesn't affect width */ } .calculator-form button { display: block; width: 100%; padding: 12px; background-color: #007bff; color: white; border: none; border-radius: 4px; font-size: 1.1rem; cursor: pointer; transition: background-color 0.3s ease; } .calculator-form button:hover { background-color: #0056b3; } .calculator-result { margin-top: 30px; padding: 20px; border: 1px solid #e0e0e0; border-radius: 8px; background-color: #fff; text-align: center; } .calculator-result h3 { margin-top: 0; color: #333; margin-bottom: 15px; } .calculator-result p { font-size: 1.1rem; color: #333; margin-bottom: 10px; }

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