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BMI (Body Mass Index)

Definition

A screening tool used to estimate the amount of body fat a person has based on their height and weight.

Formula

BMI = kg / m²

Categories

  • Underweight: < 18.5
  • Normal: 18.5 - 24.9
  • Overweight: 25 - 29.9
  • Obese: 30+

Limitations

BMI does not distinguish between muscle and fat. Athletes may be classified as "overweight" despite having low body fat.

This content is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.