How is BMI calculated and what are the classification ranges?

• A. BMI = weight(pounds)/height(inches)^2; Underweight <18.5, Normal 18.5-24.9, Overweight 25-29.9, Obesity ≥30
• B. BMI = weight(kg)/height(m)^2; Underweight <18.5, Normal 18.5-24.9, Overweight 25-29.9, Obesity ≥30
• C. BMI = weight(kg)/height(cm)^2
• D. BMI = weight(pounds)/height(m)^2; Underweight <18.5, Normal 18.5-24.9, Overweight 25-29.9, Obesity ≥30

Answer: (B)