It is an international standard used to determine whether your weight is in a healthy range, based on your height and weight ratio, indicating the estimated amount of fat in your body.

No. BMI cannot distinguish between muscle and fat. Therefore, highly muscular athletes may have a 'Overweight' or 'Obese' BMI, but this doesn't mean they are unhealthy.

According to the World Health Organization (WHO), values between 18.5 and 24.9 are considered the healthy (Normal) weight range.