Return on Investment (ROI) Calculator Current Value of Investment: Initial Cost of Investment: Calculate ROI Your ROI will appear here. function calculateROI() { var currentValueInput = document.getElementById(“currentValue”).value; var initialCostInput = document.getElementById(“initialCost”).value; var roiResultDiv = document.getElementById(“roiResult”); var currentValue = parseFloat(currentValueInput); var…

Retirement Fund Longevity Calculator Current Retirement Savings ($): Annual Contributions (until retirement, $): Years Until Retirement: Expected Annual Return (Pre-Retirement, %): Expected Annual Return (Post-Retirement, %): Desired Annual Withdrawal (in today’s $): Expected Annual Inflation Rate (%): Calculate Retirement Longevity…

ROI Percentage Calculator Total Revenue from Investment: Initial Cost of Investment: Calculate ROI Your ROI Percentage: 0.00% function calculateROI() { var totalRevenue = parseFloat(document.getElementById(‘totalRevenue’).value); var initialCost = parseFloat(document.getElementById(‘initialCost’).value); var roiValueElement = document.getElementById(‘roiValue’); if (isNaN(totalRevenue) || isNaN(initialCost) || totalRevenue < 0…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Retail Conversion Rate Calculator Number of Visitors: Number of Sales: Total Revenue Generated: Calculate Conversion function calculateRetailConversion() { var numVisitorsInput = document.getElementById(“numVisitors”).value; var numSalesInput = document.getElementById(“numSales”).value; var totalRevenueInput = document.getElementById(“totalRevenue”).value; var resultsDiv = document.getElementById(“retailConversionResults”); var numVisitors = parseFloat(numVisitorsInput); var numSales…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Road Trip Gas & Toll Cost Calculator Total Trip Distance (miles): Vehicle’s Fuel Efficiency (MPG): Average Fuel Price ($/gallon): Estimated Total Toll Costs ($): Number of Passengers (including driver): Calculate Road Trip Costs function calculateRoadTripCost() { var tripDistance = parseFloat(document.getElementById(“tripDistance”).value);…

Repeating Decimal to Fraction Converter Integer Part (before decimal point): Non-Repeating Decimal Digits (after decimal, before repeating): Repeating Decimal Digits: Calculate Fraction function gcd(a, b) { return b === 0 ? a : gcd(b, a % b); } function calculateFraction()…

Risk and Reward Calculator Use this calculator to determine the potential profit and loss of a trade or investment, and to calculate its risk/reward ratio. This helps you assess whether the potential gain justifies the potential risk. Entry Price ($):…