# Body Mass Index Calculation

Is your weight appropriate for your height? The first step is to calculate your Body Mass index.  Let your physician know this number and he or she can let you know if you need to lose weight or to gain weight. Let us know your BMI or if you need help with the calculation sent us your height and weight and we will do it for you.  Please comment and let us know if this formula was useful for you.

To calculate your Body Mass Index (also known as BMI), use the following formula. If you have difficulty with the calculation, please let us know a height and weight and we will calculate it for you.

BMI=(weight in kg)/ height in meters/height in meters.

weight in kg=weight in pounds divided by 2.2
height in meters=height in inches times .0254

Sample Calculation:
Let’s assume that the weight is 120 lbs, height is 5 feet, 2 inches (or 62 inches).
weight in kg=120/2.2=54
height in meters=62 x .0254=1.57
BMI=54/1.57/1.57=21.9

A BMI of 20 or below: Underweight
A BMI of 22 is considered optimal.
A BMI between 25 and 30 is considered Overweight
A BMI between 30 and 40 is considered Obese
A BMI between 40 and 50 is considered Severely Obese
A BMI between 50 and 60 is considered Morbidly Obese
A BMI over 60 is considered Super Obese.

MEDICAL ADVICE DISCLAIMER: The information included on this site is for educational purposes only. It is not intended nor implied to be a substitute for professional medical advice. The reader should always consult his or her health care provider to determine the appropriateness of the information for their own situation, or if they have any questions regarding a medical condition or treatment plan. Reading the information on this website does not create a physician-patient relationship.

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### 2 Responses to Body Mass Index Calculation

1. Dr. Sybil Kramer says:

The BMI is a guideline for people of average build. Football players will all be considered obese if the BMI is applied without considering their muscle mass. Other factors are used such as the measurement of the skin fold along the triceps or the amount of abdominal fat you can get between two fingers. Many people can get an idea just by looking. Your point is well taken; the BMI is a number that needs to be used in the context of a whole person.

2. carl libardoni says:

In terms of BMI, how can you account for a wide build or muscle mass?