Body Fat Calculator

In addition to determining your body mass index (BMI) and waist-to-hip ratio, finding out your percent body fat is another good indicator of your health, and is a useful tool to track your progress in attaining ideal weight when done periodically.   Effective, healthy weight loss is not only a function of pounds shed (which only tells part of the health story), but also the amount of fat that is lost. 


TIP:  Wellness professions strongly recommend staying with one method of calculating your body fat percentage throughout your wellness program, to assure more accurate, consistent results.


The Body Fat Calculator on this page uses the U.S. Navy Circumference Method whereby three or four body circumference measurements fed into a calculator determines the percentage your body is comprised of fat.  According to a study by the Naval Health Research Center in San Diego, Calif., the measurement of circumferences can be more precise than skinfold measurements and easier to do.



 To find your body fat percentage: 


Use a flexible tape measure and enter the following data into the calculator form below:


* Height measured without shoes

* Neck measured below the larynx sloping slightly downward at the front

* Waist for men measured at navel height; for women measured at the smallest point

* Hips (women only) measured at the largest point.


Please note that measurements must be accurate within 0.25 inches (0.5 cm) in order for the calculator to give you the more precise results.

Body Fat Calculator

Body Fat Calculator copyright © 2006 by Stephen Chapman.  Used with permission.



Simply put, your body fat percentage determines the percentage of fat that your body contains.   

For example:  A person weighing 145 pounds with 20% body fat has 29 lbs. of fat and 116 pounds of lean body weight (muscle, bone, organ tissue, etc.). 


The following table shows body fat ranges and their respective categories (adapted from the American Council on Exercise):

Please bear in mind that not all fat is bad; we do need an adequate amount for important functions such as to provide a safety cushion for the body's organs, to help regulate body temperature and to serve as a source of stored energy for the body.  It is when we have too little or too much fat that we run the risk of potential health problems.  The key is to work towards an optimum, sensible range, e.g., not too much and not too little, but just right.


TIP:  Feel free to bookmark this page (ctrl-D buttons) for easy reference to monitor your progress towards your weight management goal.


Best of success to you, and enjoy the journey towards optimum wellness!




"I CAN do ALL things through CHRIST who strengthens me!"

— Philippians 4:13




 To help improve your body fat percentage, check out these resources:


Biblical foods for a healthy diet

Fun and healthy recipes to try

Tasty ways to incorporate more whole grains into the diet

How to walk in divine healing and health









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Please note that the health and wellness information presented on these pages is not intended to be a substitute for professional medical advice.  Reader assumes all responsibility as to how he or she applies the information.  

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