Definition & Purpose: The Body Mass Index (BMI) is a widely used metric that evaluates body fat based on an individual's weight and height. It helps determine if someone is underweight, of normal weight, overweight, or obese, aiding in health assessment and fitness planning.
How to Use:
- Select Metric or Imperial unit system.
- Enter your weight and height.
- Click "Calculate BMI" to get your result and health category.
BMI Categories:
- Underweight: BMI less than 18.5
- Normal weight: 18.5 – 24.9
- Overweight: 25 – 29.9
- Obesity Class I: 30 – 34.9
- Obesity Class II: 35 – 39.9
- Extreme Obesity: 40 and above
Example:
For a person weighing 70 kg and 175 cm tall: BMI = 70 / (1.75 × 1.75) = 22.86 (Normal weight)
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