Budget Surplus Calculator Total Monthly Income ($): Total Monthly Expenses ($): Calculate Surplus Result: function calculateSurplus() { var totalMonthlyIncome = parseFloat(document.getElementById(‘totalMonthlyIncome’).value); var totalMonthlyExpenses = parseFloat(document.getElementById(‘totalMonthlyExpenses’).value); var surplusResultDiv = document.getElementById(‘surplusResult’); if (isNaN(totalMonthlyIncome) || isNaN(totalMonthlyExpenses) || totalMonthlyIncome < 0 || totalMonthlyExpenses 0)…

GFR (Glomerular Filtration Rate) Calculator (CKD-EPI 2021) Serum Creatinine (mg/dL): Age (years): Sex: Female Male Calculate GFR function calculateGFR() { var serumCreatinine = parseFloat(document.getElementById(‘serumCreatinine’).value); var age = parseInt(document.getElementById(‘age’).value); var sex = document.getElementById(‘sex’).value; if (isNaN(serumCreatinine) || serumCreatinine <= 0) { document.getElementById('gfrResult').innerHTML…

Profit Margin Calculator Use this calculator to determine your business’s profit margin based on your total revenue and cost of goods sold (COGS). Total Revenue ($): Total Cost of Goods Sold ($): Calculate Profit Margin function calculateProfitMargin() { var totalRevenueInput…

Velocity Calculator Understanding velocity is fundamental in physics and everyday life. Whether you’re tracking the speed of a car, a runner, or even a celestial body, knowing how to calculate velocity is key. This calculator helps you quickly determine the…

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:…

Cube Surface Area Calculator Side Length (cm): Calculate Surface Area function calculateSurfaceArea() { var sideLengthInput = document.getElementById(“sideLength”); var resultDiv = document.getElementById(“result”); var sideLength = parseFloat(sideLengthInput.value); if (isNaN(sideLength) || sideLength < 0) { resultDiv.innerHTML = "Please enter a valid, non-negative number…

Understanding Your Vehicle’s Miles Per Gallon (MPG) Miles Per Gallon (MPG) is a crucial metric for any vehicle owner, providing a direct measure of fuel efficiency. It tells you how many miles your car can travel on a single gallon…

Theoretical Yield Calculator Mass of Reactant (grams): Molar Mass of Reactant (g/mol): Stoichiometric Coefficient of Reactant: Molar Mass of Product (g/mol): Stoichiometric Coefficient of Product: Calculate Theoretical Yield Theoretical Yield: function calculateTheoreticalYield() { var reactantMass = parseFloat(document.getElementById(‘reactantMass’).value); var reactantMolarMass =…

Molarity Calculator: Understanding Concentration in Chemistry Molarity is a fundamental concept in chemistry, crucial for understanding the concentration of solutions. It quantifies the number of moles of solute dissolved per liter of solution. Whether you’re a student, a researcher, or…

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:…