Body Mass Index (BMI) is a commonly used index of relative weight. BMI is calculated as weight (kilograms) divided by height (meters) squared. The index is often used to assess obesity in individuals.

BMI charts are calculated for adults only (separate charts are available for children’s weight and heights ... level of body fat and this BMI chart is not appropriate for women who are pregnant ...

Most children aged 9 and 15 years with BMI in overweight range had a normal fat level. High and excess fat according to waist-to-height ratio was tied to higher odds for prediabetes and diabetes.

an anthropometric survey of Delhi school children (N=711) aged 6–14 years (boys=398; girls= 313) was conducted in 2008. Height, weight and body mass index were compared with WHO New Growth Standards ...