Body Mass Index (BMI)

Body Mass Index (BMI) is an index of weight-for-height that is routinely used to classify underweight, overweight and obesity in adults.

The BMI categories shown in the chart below are recognised by the WHO (World Health Organization) and can be used to interpret the BMI value used by Activ8rlives.

Not suitable to determine the BMI for children, as there is a separate chart and calibration for children.