What does BMI mean?Body Mass Index (BMI) is an established measure utilized by physicians and health experts to determine weight status (i.e. underweight, overweight or within a healthy weight range). Use this calculator to find out what your BMI can tell you about your health and well-being.
BMI Ranges: What they mean Experts generally consider a BMI below 20 to be underweight and a BMI of 20 to 25 to be healthy. BMIs of 25 to 30 are generally considered overweight while a BMI over 30 is generally considered very overweight.