Pediatric Calorie Calculator Age (Years): Weight (kg): Gender: Male Female Activity Level: Sedentary (Little to no exercise) Low Active (Light exercise 1-3 days/week) Active (Moderate exercise 3-5 days/week) Very Active (Hard exercise 6-7 days/week) Calculate Calorie Needs function calculatePediatricCalories() {…

Menstrual Period & Ovulation Calculator Enter your last period’s start date, average cycle length, and luteal phase length to predict your next period, ovulation, and fertile window. Last Period Start Date: Average Cycle Length (days): Luteal Phase Length (days): Calculate…

Perimenopause Protein Calculator Your Body Weight: kg lbs Your Activity Level: Sedentary (little to no exercise) Moderately Active (light exercise 1-3 days/week) Very Active (intense exercise 3-5+ days/week) Your Goal: Maintain Muscle & Overall Health Build Muscle or Support Weight…

Pension Plan Lump Sum Calculator Expected Annual Pension Payment ($): Pension Start Age (Years): Expected Life Span (Years): Discount Rate (Annual %): Calculate Lump Sum Understanding Your Pension Lump Sum Option When you retire, many pension plans offer you a…

Triangle Perimeter Calculator Side A Length: Side B Length: Side C Length: Calculate Perimeter Enter side lengths and click ‘Calculate Perimeter’. function calculatePerimeter() { var sideA = parseFloat(document.getElementById(‘sideA’).value); var sideB = parseFloat(document.getElementById(‘sideB’).value); var sideC = parseFloat(document.getElementById(‘sideC’).value); if (isNaN(sideA) || isNaN(sideB)…

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IRS Federal Payroll Tax Estimator Use this calculator to estimate your federal income tax withholding, Social Security, and Medicare taxes per pay period. This tool helps you understand how your W-4 elections and gross pay impact your take-home pay. Gross…

Pension Projection Calculator Use this calculator to estimate your potential pension pot at retirement and the annual income it could provide. Understanding your future financial outlook is crucial for effective retirement planning. Current Age: Desired Retirement Age: Current Annual Salary…

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Simple Pendulum Period Calculator Pendulum Length (L) in meters: Acceleration due to Gravity (g) in m/s²: Calculate Period function calculatePendulumPeriod() { var pendulumLength = parseFloat(document.getElementById(‘pendulumLength’).value); var gravity = parseFloat(document.getElementById(‘gravity’).value); var resultDiv = document.getElementById(‘result’); if (isNaN(pendulumLength) || isNaN(gravity) || pendulumLength <=…