BMI Calculator
Check your body mass index (BMI) using height and weight.
BMI
—
kg/m²
Category
—
WHO ranges
Height & Weight
—
as entered
Formula & Notes
- Metric: BMI = weight(kg) ÷ [height(m)]²
- Imperial: BMI = 703 × weight(lb) ÷ [height(in)]²
- Ranges: ≤18.5 Underweight, 18.5–24.9 Normal, 25.0–29.9 Overweight, ≥30 Obese
- BMI does not directly measure body fat and may misclassify very muscular individuals.