BMI Calculator - Calculate Body Mass Index Online Free

How to Use the BMI Calculator

1. Enter your weight — in pounds or kilograms
2. Enter your height — in feet/inches or centimeters
3. Get instant BMI — see your score and category

Understand your BMI category: Underweight (<18.5), Normal (18.5-24.9), Overweight (25-29.9), or Obese (30+). All calculations happen in your browser — nothing is saved or uploaded.

Features

• Instant calculation — updates as you type
• Dual units — imperial (lbs/ft) and metric (kg/cm)
• BMI categories — color-coded results
• Healthy weight range — shows ideal weight for your height
• Visual indicator — gauge-style display