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Body Mass Index Calculator


English Calculation

Height:  feet
and  inch(es)
Weight:  pounds
(Note: 8 ounces = 0.5 pounds)

Your BMI:

BMI
Weight Status
Below 18.5 Underweight
18.5 – 24.9 Normal
25.0 – 29.9 Overweight
30.0 and Above Obese

What Does This All Mean?


Metric Calculation

Height:  Meters
(Note: 1 Meter = 100cm)
Weight:  Kilograms

Your BMI:

BMI
Weight Status
Below 18.5 Underweight
18.5 – 24.9 Normal
25.0 – 29.9 Overweight
30.0 and Above Obese

What Does This All Mean?


Body Fat Calculator

To obtain a very rough estimate of your percentage body fat, weight of body fat and fat-free body mass please enter your height & weight details and then select the 'Calculate' button to find out your estimated percentage body fat.

Height

Weight

 
Estimated percentage body fat is - %
Body fat weight is - lbs kg
Fat-free body mass is - lbs kg

What Does This All Mean?


What does this all mean?

Click here for more information on Body Mass Measurements

BMI is not the only indicator of health risk.
BMI is just one of many factors related to developing a chronic disease (such as heart disease, cancer, or diabetes). Other factors that may be important to look at when assessing your risk for chronic disease include:

  • Diet
  • Physical Activity
  • Waist Circumference
  • Blood Pressure
  • Blood Sugar Level
  • Cholesterol level
  • Family history of disease.
BMI
Weight Status
Below 18.5 Underweight
18.5 – 24.9 Normal
25.0 – 29.9 Overweight
30.0 and Above Obese







All persons who are obese or overweight should try not to gain additional weight. In addition, those who are obese or who are overweight with other risk factors should consider losing weight. A complete health assessment by a physician is the best way to decide the right steps for you.

Whatever your BMI, talk to your doctor to see if you are at an increased risk for disease and if you should lose weight. Even a small weight loss (just 10% of your current weight) may help to lower the risk of disease.

Physical activity and good nutrition are key factors in leading a healthy lifestyle and reducing risk for disease. Visit our Resource Section for links to information on BMI, obesity, physical activity and nutrition.


Common Myths

Myth: BMI Measures Body Fat

Two people can have the same BMI, but a different percent body fat. A bodybuilder with a large muscle mass and a low percent body fat may have the same BMI as a person who has more body fat because BMI is calculated using weight and height only.

These men have the same height, weight, and BMI, but may have different percent body fat.

6'3"
Height
6'3"
220 lbs.
Weight
220 lbs.
27.5
BMI
27.5

This is a good reminder that BMI is only one piece of a person's health profile. It is important to talk with your doctor about other measures and risk factors. (e.g., waist circumference, smoking, physical activity level, and diet.)

Myth: BMI is a diagnostic tool

BMI alone is not diagnostic. It is one of many risk factors for disease and death. As a person's BMI increases the risk for many diseases increases as well.


Fat-free Body Mass & Lean Body Mass

The fat-free body mass (FFBM) represents the body mass devoid of all fat whereas lean body mass (LBM) contains a small percentage of essential fat. LBM is a theoretical value developed by Behnke. For men Behnke considered it to be FFBM+3% essential fat and for females FFBM+12% fat (3% essential fat + 9% sex specific essential fat). Many researches use the terms FFBM and LBM interchangeably.

Typical Scores

The average man has 15 to 17% body fat, while the average woman is between 18 and 22%. Typical scores for elite athletes are 6% to 12% for men and 12% to 20% for women.

The following table details the percentage body fat for male and female athletes for a variety of sports.

Sport Male Female
Baseball 12-15% 12-18%
Basketball 6-12% 20-27%
Canoe/Kayak 6-12% 10-16%
Cycling 5-15% 15-20%
Field & Ice Hockey 8-15% 12-18%
Gymnastics 5-12% 10-16%
Rowing 6-14% 12-18%
Swimming 9-12% 14-24%
Tennis 12-16% 16-24%
Track - Runners 8-10% 12-20%
Track - Jumpers 7-12% 10-18%
Track - Throwers 14-20% 20-28%
Triathlon 5-12% 10-15%
Volleyball 11-14% 16-25%

Click here for more information on Body Mass Measurements


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