Mzss BMI ranges Body mass measurement based on the relationship between body weight and disease Bosy death. Get Email Alerts Receive automatic alerts about NHLBI related news and highlights from across the Institute. Obesity Epidemiology. Journal of the Royal Statistical Society. Price Transparency. Back to Lifestyle. Mesaurement body mass index Body mass measurement is a measure measufement uses your height Quenching hydration needs naturally weight to work Body mass measurement if your weight is healthy. The Maesurement calculation divides meaurement adult's weight in kilograms by their height in metres squared. For children and young people aged 2 to 18, the BMI calculation takes into account age and gender as well as height and weight. If you want to calculate your BMI, you can use the healthy weight calculator. BMI takes into account natural variations in body shape, giving a healthy weight range for a particular height. As well as measuring your BMI, healthcare professionals may take other factors into account when assessing if you're a healthy weight.