BMI (Body Mass Index) Calculator   |   Waist Hip Ratio Calculator

This calculator determines your Body Mass Index, based off your weight, and height. Please fill out your "Weight" and "Height" in the below fields, then hit "Calculate BMI Information" to see your BMI and your optimal weight range.

About Your Results

Body mass index (BMI) is measure of body fat based on height and weight that applies to both adult men and women.. BMI does not differentiate between body fat and muscle mass. Therefore, body builders and people who have a lot of muscle bulk will have a high BMI but are not overweight.

Morbidly Obese

Your weight may be seriously affecting your health.


Your weight may be seriously affecting your health.


You may be at risk of serious health problems.


Your BMI falls into a healthy weight range.


You must be cautious of being underweight, as you run the risk of health problems associated with malnutrition.


If you are overweight (BMI over 25) you may develop :

  • Cardiovascular (heart and blood circulation) disease
  • Gall bladder disease
  • High blood pressure (hypertension)
  • Non-insulin dependent diabetes mellitus
  • Osteoarthritis - this is induced by the excess weight of obesity and can be a major problem. If inadequately managed it can be a barrier to adequate weight loss.
  • Certain types of cancer, i.e. breast, colon, endometrium and prostate.
  • Social implications that are often neglected.

If you are underweight (BMI less than 20), you may develop :

  • Malnourishment
  • Compromised immune function
  • Respiratory disease
  • Tuberculosis (an infection of the lung)
  • Digestive (stomach) disease
  • Cancer
  • Osteoporosis.