CFM Calculator Use this calculator to determine the Cubic Feet per Minute (CFM) of airflow through a rectangular or circular opening/duct, given its dimensions and the air velocity. Rectangular Opening Width (inches): Rectangular Opening Height (inches): OR Circular Opening Diameter…

Expected Value Calculator Use this calculator to determine the expected value of a discrete random variable. The expected value represents the long-run average outcome of a random process. Number of Distinct Outcomes: Calculate Expected Value Understanding Expected Value The expected…

Quadratic Formula Solver Enter the coefficients a, b, and c for the quadratic equation in the form ax² + bx + c = 0. Coefficient ‘a’: Coefficient ‘b’: Coefficient ‘c’: Calculate Roots function calculateQuadraticRoots() { var a = parseFloat(document.getElementById(“coeffA”).value); var…

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:…

Work Calculator (Physics) Applied Force (Newtons): Distance Moved (meters): Calculate Work Enter values and click ‘Calculate Work’ function calculateWork() { var appliedForce = parseFloat(document.getElementById(‘appliedForce’).value); var distanceMoved = parseFloat(document.getElementById(‘distanceMoved’).value); var workResultDiv = document.getElementById(‘workResult’); if (isNaN(appliedForce) || isNaN(distanceMoved) || appliedForce < 0…

Divorce Cost Estimator Use this calculator to get an estimated idea of the potential financial costs associated with a divorce. Please note that these are estimates, and actual costs can vary significantly based on your specific circumstances, location, and the…

Sand Volume & Weight Calculator Use this calculator to estimate the volume and weight of sand needed for your project. Whether you’re filling a sandbox, creating a paver base, or leveling an area, knowing the required amount helps in budgeting…

Rational Function Evaluator Enter the coefficients for the numerator and denominator polynomials, and the value of ‘x’ to evaluate the rational function. The function is in the form: f(x) = (Ax² + Bx + C) / (Dx² + Ex +…

Calculator Construction Effort Estimator Use this tool to estimate the development effort (in hours) required to build a new web-based calculator. Input the characteristics of your planned calculator to get an approximate complexity score and time estimate. Number of Input…