North Carolina Paycheck Calculator (2023 Rates) Estimate your net pay in North Carolina by entering your gross pay, pay frequency, and tax withholding information. This calculator uses 2023 federal and North Carolina tax rates and standard deductions for estimation purposes.…

Square Foot Calculator Length (feet): Width (feet): Calculate Square Footage function calculateSquareFoot() { var length = parseFloat(document.getElementById(‘lengthFeet’).value); var width = parseFloat(document.getElementById(‘widthFeet’).value); if (isNaN(length) || isNaN(width) || length <= 0 || width <= 0) { document.getElementById('squareFootResult').innerHTML = 'Please enter valid positive…

Sigma Notation Calculator Starting Index (i): Ending Index (n): Expression f(i): Calculate Sigma Result: function calculateSigma() { var startValue = parseFloat(document.getElementById(“startValue”).value); var endValue = parseFloat(document.getElementById(“endValue”).value); var expressionStr = document.getElementById(“expression”).value; var sigmaResultDiv = document.getElementById(“sigmaResult”); if (isNaN(startValue) || isNaN(endValue)) { sigmaResultDiv.innerHTML =…

Percentage of Weight Lost Calculator Starting Weight (e.g., lbs or kg): Current Weight (e.g., lbs or kg): Calculate Percentage Lost function calculateWeightLoss() { var startingWeight = parseFloat(document.getElementById(‘startingWeight’).value); var currentWeight = parseFloat(document.getElementById(‘currentWeight’).value); var resultDiv = document.getElementById(‘result’); if (isNaN(startingWeight) || isNaN(currentWeight) ||…

Recommended Monthly Rent Calculator This calculator helps property owners estimate a fair and profitable monthly rent for their rental property. It considers various costs, desired return on investment, and potential vacancy periods to provide a data-driven recommendation. While market conditions…

Probability with Standard Deviation Calculator Mean (Average): Standard Deviation: Probability Type: P(X < x) P(X > x) P(x1 < X < x2) Specific Value (x): Lower Value (x1): Upper Value (x2): Calculate Probability Result: function toggleXValueInputs() { var comparisonType =…

Roofing Squares Calculator Roof Length (feet): Roof Width (feet): Waste Factor (%): Calculate Roofing Squares Enter your roof dimensions and waste factor to calculate. function calculateRoofingSquares() { var roofLength = parseFloat(document.getElementById(‘roofLength’).value); var roofWidth = parseFloat(document.getElementById(‘roofWidth’).value); var wasteFactor = parseFloat(document.getElementById(‘wasteFactor’).value); var…

Slope Formula Calculator Enter the coordinates of two points (x1, y1) and (x2, y2) to calculate the slope of the line connecting them. Point 1 (x1): Point 1 (y1): Point 2 (x2): Point 2 (y2): Calculate Slope Calculated Slope: function…

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:…

Trip Gas Cost Calculator Total Trip Distance (miles): Vehicle’s Fuel Efficiency (MPG): Average Gas Price ($/gallon): Calculate Gas Cost function calculateGasCost() { // Get input values var tripDistance = parseFloat(document.getElementById(“tripDistance”).value); var fuelEfficiency = parseFloat(document.getElementById(“fuelEfficiency”).value); var gasPricePerGallon = parseFloat(document.getElementById(“gasPricePerGallon”).value); var resultDiv…