Which range correctly defines normal BMI?

Which range correctly defines normal BMI?

• A. 18.5-24.9: Normal
• B. <18.5: Normal
• C. 25-29.9: Normal
• D. 30-34.9: Normal

Answer: (A)

Understanding BMI ranges helps gauge health risk related to body weight. For adults, a normal BMI is 18.5 to 24.9. This range is associated with the lowest risk of weight-related health problems, whereas values below 18.5 indicate underweight and values of 25 and above indicate overweight or obesity. More specifically, 25–29.9 is overweight and 30–34.9 is obesity class I. BMI is calculated as weight in kilograms divided by height in meters squared and serves as a screening tool—individual factors like muscle mass can affect interpretation. Therefore, the range 18.5 to 24.9 defines normal BMI.

Understanding BMI ranges helps gauge health risk related to body weight. For adults, a normal BMI is 18.5 to 24.9. This range is associated with the lowest risk of weight-related health problems, whereas values below 18.5 indicate underweight and values of 25 and above indicate overweight or obesity. More specifically, 25–29.9 is overweight and 30–34.9 is obesity class I. BMI is calculated as weight in kilograms divided by height in meters squared and serves as a screening tool—individual factors like muscle mass can affect interpretation. Therefore, the range 18.5 to 24.9 defines normal BMI.