BMI measures body fat based on height, weight, age, and gender. It is a useful screening tool but does not account for muscle mass, bone density, or overall body composition.
Note: This is an estimate and should not replace professional medical advice.
BMI Categories
| Category | BMI Range (kg/m²) |
|---|---|
| Underweight | < 18.5 |
| Normal weight | 18.5 – 24.9 (22 – 27 if age ≥ 65) |
| Overweight | 25 – 29.9 (above 27 if age ≥ 65) |
| Obesity | ≥ 30 |