Area of a Room Calculator Room Length (feet): Room Width (feet): Calculate Area function calculateRoomArea() { var roomLengthInput = document.getElementById(“roomLength”); var roomWidthInput = document.getElementById(“roomWidth”); var resultDiv = document.getElementById(“resultArea”); var length = parseFloat(roomLengthInput.value); var width = parseFloat(roomWidthInput.value); if (isNaN(length) || isNaN(width)…

Regular Pentagon Area Calculator Side Length (s): Calculate Area Enter the side length and click ‘Calculate Area’. function calculatePentagonArea() { var sideLengthInput = document.getElementById(“sideLength”); var sideLength = parseFloat(sideLengthInput.value); var resultDiv = document.getElementById(“result”); if (isNaN(sideLength) || sideLength <= 0) { resultDiv.innerHTML…

APY Calculator Initial Deposit Amount: Nominal Annual Rate (%): Compounding Frequency: Annually Semi-Annually Quarterly Monthly Bi-Weekly Weekly Daily Calculate APY Your Annual Percentage Yield (APY): 0.00% function calculateAPY() { var initialDeposit = parseFloat(document.getElementById(‘initialDeposit’).value); var nominalAnnualRate = parseFloat(document.getElementById(‘nominalAnnualRate’).value); var compoundingFrequency =…

APR to Monthly Percentage Rate Calculator Annual Percentage Rate (APR): % Calculate Monthly Rate function calculateMonthlyAPR() { var annualAPRInput = document.getElementById(“annualAPR”).value; var annualAPR = parseFloat(annualAPRInput); if (isNaN(annualAPR) || annualAPR < 0) { document.getElementById("monthlyAPRResult").innerHTML = "Please enter a valid Annual Percentage…

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:…

Amazon Seller Fee Calculator Product Sale Price ($): Product Cost ($): Referral Fee Percentage (%): Product Length (inches): Product Width (inches): Product Height (inches): Product Weight (lbs): Estimated FBA Fulfillment Fee per Unit ($): (This fee varies by product size/weight…

Annuity Immediate Calculator Use this calculator to determine either the Present Value of an Annuity Immediate or the periodic Payment Amount, given the other variables. Periodic Payment Amount ($): Leave blank if calculating Payment Amount. Present Value of Annuity ($):…

APR and APY Calculator Annual Percentage Rate (APR) %: Compounding Frequency: Annually Semi-annually Quarterly Monthly Daily Calculate APY Results: Input APR: Calculated APY: function calculateAPY() { var aprInput = document.getElementById(“aprInput”).value; var compoundingFrequency = document.getElementById(“compoundingFrequency”).value; var errorMessages = document.getElementById(“errorMessages”); errorMessages.innerHTML =…

Amazon FBA Fee Calculator Product Selling Price ($): Product Cost ($): Shipping Cost to Amazon (per unit $): Product Weight (lbs): Product Length (inches): Product Width (inches): Product Height (inches): Referral Fee Percentage (%): Estimated Units Sold Monthly: Average Units…

Amazon FBA Shipping Cost Estimator Use this calculator to estimate your shipping costs when sending inventory to Amazon FBA warehouses. Understanding both actual and dimensional weight is crucial for accurate cost projections. Product Weight (lbs): Weight of a single product…