BMI CALCULATOR (Body Mass Index)

Calculates body mass index and body surface area.

INSTRUCTIONS
Use in conjunction with other measurements such as waist-hip ratio, waist circumference, visceral fat measurement, and body adiposity index.
kg
cm
kg/m²
Result: Please fill out required fields.
Body mass index formula:
BMI = weight (kg) / [height (m)]²

Body surface area (Mosteller formula):
BSA = √(height(cm) × weight(kg) / 3600)

FACTS & FIGURES
BMI (kg/m²) Weight Status
<18.5 Underweight
18.5–24.9 Normal weight
25.0–29.9 Overweight
30.0–34.9 Obese (Class 1)
35.0–39.9 Obese (Class 2)
≥40 Obese (Class 3)