body { font-family: Arial, sans-serif; margin: 20px; } input[type="number"] { width: 100%; padding: 10px; margin: 5px 0; } button { padding: 10px; }

BMI Calculator

Weight (kg): Height (m): Calculate BMI

function calculateBMI() { const weight = parseFloat(document.getElementById('weight').value); const height = parseFloat(document.getElementById('height').value); if (!weight || !height) { document.getElementById('bmiResult').innerText = "Please enter valid values."; return; } const bmi = weight / (height * height); document.getElementById('bmiResult').innerText = `Your BMI is: ${bmi.toFixed(2)}`; }