waist circumference

Key facts Body mass index (BMI) and waist circumference are measurements that you can use to see if you’re a healthy weight. Body mass index and waist circumference can be used to assess your risk of developing some health issues. In some populations, body mass index is less accurate. What is body mass index (BMI)? Body mass index (BMI) is calculated from your weight and height. BMI is calculated by dividing your weight by the square of your height as follows: BMI = Weight in kilos/Height in metres x Height in metres You can find your BMI using the healthdirect BMI