Profit Margin Calculator Enter your total revenue and cost of goods sold to calculate your profit margin. Total Revenue: Cost of Goods Sold (COGS): Calculate Profit Margin function calculateProfitMargin() { var revenueInput = document.getElementById(‘revenue’).value; var cogsInput = document.getElementById(‘cogs’).value; var resultDiv…

Density Calculator Mass (grams): Volume (cm³): Calculate Density function calculateDensity() { var mass = parseFloat(document.getElementById(‘massInput’).value); var volume = parseFloat(document.getElementById(‘volumeInput’).value); var resultDiv = document.getElementById(‘densityResult’); if (isNaN(mass) || isNaN(volume) || mass < 0 || volume < 0) { resultDiv.innerHTML = 'Please enter…

eBay Seller Fee Calculator Use this calculator to estimate your net profit after eBay and payment processing fees. Understanding these costs is crucial for pricing your items effectively and ensuring profitability. Item Selling Price ($): Shipping Charged to Buyer ($):…

EMI Calculator Total Amount to Finance ($): Annual Percentage Charge (%): Repayment Period (Years): Calculate EMI Your Equated Monthly Installment (EMI): function calculateEMI() { var amountFinanced = parseFloat(document.getElementById(‘amountFinanced’).value); var annualCharge = parseFloat(document.getElementById(‘annualCharge’).value); var repaymentYears = parseFloat(document.getElementById(‘repaymentYears’).value); var emiResultDiv = document.getElementById(’emiResult’);…

Debt-to-Income Ratio Calculator Monthly Gross Income ($): Total Monthly Housing Payment (PITI + HOA) ($): (Includes mortgage principal & interest, property taxes, homeowner’s insurance, HOA fees) Other Monthly Debt Payments ($): (e.g., car loans, student loans, credit card minimums, personal…

Gas Price Calculator Estimate the cost of fuel for your next road trip or daily commute with our easy-to-use Gas Price Calculator. Simply enter your trip distance, your vehicle’s fuel efficiency, and the current gas price per gallon, and we’ll…

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:…

Debt Payoff Calculator Use this calculator to estimate how long it will take to pay off your current debt and how much interest you’ll pay in total. See how making extra payments can significantly reduce your payoff time and total…

Dollar Inflation Calculator Original Amount ($): Year of Original Amount: Target Year for Adjustment: Calculate Inflation function calculateInflation() { var originalAmount = parseFloat(document.getElementById(‘originalAmount’).value); var originalYear = parseInt(document.getElementById(‘originalYear’).value); var targetYear = parseInt(document.getElementById(‘targetYear’).value); var resultDiv = document.getElementById(‘inflationResult’); // Simplified CPI data for…

Time Value of Money (TVM) Calculator Solve For: Future Value (FV) Present Value (PV) Payment (PMT) Initial Amount (PV): $ Regular Payment (PMT): $ Number of Periods (N): Interest Rate Per Period (I/Y, %): Future Value (FV): $ Calculate TVM…