BMI stands for Body Mass Index. It is a simple calculation used to estimate whether your weight is healthy for your height.
BMI uses your height and weight to calculate a score.
BMI = weight (kg) ÷ height² (m²)
BMI can help identify whether a person may be underweight, overweight or within a healthy range. While it is not perfect, it is widely used as a quick health indicator.
Use our BMI calculator to quickly calculate your BMI score:
A healthy BMI is generally considered to be between 18.5 and 24.9.
BMI is a useful general guide but does not directly measure body fat or muscle mass.
Yes. Athletes with high muscle mass may have a higher BMI despite being healthy.