what range of bmi values represents a person with a healthy weight?
BMI is not considered the best measurement of weight and health risk. A personâs waist circumference is thought to be a better predictor of health risk than BMI. BMI and children The healthy BMI range for adults is 18.5 to 24.9. However, children are constantly growing, which makes it difficult to have set values for BMI cut-offs. For adults who have stopped growing, an increase in BMI is usually caused by an increase in body fat.