Is BMI accurate for athletes and bodybuilders?
BMI does not differentiate muscle mass from fat mass, so athletic individuals with high muscle density may score in the overweight category despite low body fat.
BMI Calculator
Free BMI calculator: check your Body Mass Index, healthy weight range, and body classification instantly.
A healthy, normal BMI for adults is between 18.5 and 24.9 kg/m². A score under 18.5 is considered underweight, 25.0–29.9 is overweight, and 30.0 or higher is classified as obesity.
Body Mass Index (BMI) & Weight Status Categories Guide
BMI measures body mass relative to height, serving as a general health screening metric defined by WHO.
- Metric: BMI = Weight (kg) ÷ [Height (m)]²
- Underweight: < 18.5 | Normal Weight: 18.5 - 24.9
- Overweight: 25.0 - 29.9 | Obese: ≥ 30.0
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BMI Calculator · Health · weight · height · body · fitness · health