What is the normal Body Mass Index (BMI) range?

The normal Body Mass Index (BMI) range is defined as 18.5 to 24.9. This classification is significant because it provides a useful guideline to assess whether an individual has a healthy body weight in relation to height. A BMI within this range is associated with a lower risk of developing health issues such as heart disease, diabetes, and certain cancers.

Each value in the range plays a role: a BMI less than 18.5 might indicate underweight, while a BMI greater than 24.9 suggests overweight and potential obesity risks. The established normal range allows healthcare providers to better advise patients on weight management and overall health.

Other options do not align with the widely accepted standard for normal BMI values. The range of 15-20 suggests a very low weight category, while 20-25 includes values that extend into the overweight category. The 25-30 range represents overweight and approaching obesity, which is not considered normal. Therefore, the 18.5-24.9 range is critical for understanding healthy weight management.