How to Interpret Your Body Fat Percentage

By eHow Sports & Fitness Editor

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Before you decide to lose weight, remember that weight consists of both fat and lean body mass. Reshape your weight loss goals to include a change in your body fat percentage - a wonderful way to chart your fitness progress.

Instructions

Difficulty: Moderately Easy

Things You’ll Need:

Step1
Understand that fat is an essential component of your body.
Step2
Know that your body fat percentage compares your body fat to your lean body mass, which is made up of bone, muscle and organ tissue.
Step3
Have your body fat percentage tested at a gym, health care provider's office, school or hospital. Body fat analysis machines are also available for home use.
Step4
Use the percentage to determine how much your body fat weighs. For example, if you weigh 150 lb. and your body fat percentage is 25 percent, you have 37.5 lb. of fat (150 x 0.25 = 37.5) and 112.5 lb. of lean body mass (150 - 37.5 = 112.5).
Step5
Understand that the various methods of measuring body fat - calipers (skin-fold pinching), hydrostatic (underwater weighing), circumferences and charts, and bioelectrical impedance - give you an estimate, not an exact percentage of body fat.
Step6
Keep in mind that these measurement methods all have margins of error between 2 and 6 percent. Technician error, hydration levels, body type, time of day and many other factors can affect the accuracy of your results.
Step7
Get your body fat tested every six to eight weeks.
Step8
Have the test done by the same person during the same time of day, using the same method of measurement, to ensure that you're getting the most consistent measurements possible.
Step9
Try not to get too hooked on the numbers. While measuring body fat can be one way to track fitness progress, increased energy, better-fitting clothes or finishing a 5K is equally tangible proof of your hard work.

Tips & Warnings

  • The suggested level of body fat for a female athlete is 14 to 20 percent; for male athletes, it's 6 to 13 percent. The ideal depends greatly on the requirements of the sport.
  • For that "gotta have body," shoot for a body fat percentage between 21 and 24 percent for women, and from 14 to 17 percent for men. But anywhere from 25 to 31 percent for women, and 18 to 25 percent for men, is considered healthy.
  • If you're a woman and your body fat is more than 32 percent of your weight, or if you're a man and your body fat is more than 25 percent of your weight, that's a sign of obesity. Individuals in this range should seek the advice of a health care provider to begin a weight loss and exercise program.
  • Always check with your health care provider before beginning a weight loss or exercise program.
  • Women need at least 10 to 12 percent body fat to maintain healthy bodily functions and continue having periods; men need at least 2 to 4 percent to maintain essential bodily functions.

Comments

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williewonk

williewonk said

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on 7/24/2008 The information given in this article was very helpful especially the calculations for women and body fat percentage. Thank you for putting my mind at ease.

Anonymous

Anonymous said

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on 6/30/2006 Remember that many methods of finding body fat percentage are not accurate, so don't let them stress you out. I am in very good shape and I have barely any fat. Some people even say that I'm too thin. I did a method of calculation that said I was obese. I went and saw a doctor and they said that I had a perfect body weight! So trust how you feel, not just the numbers.

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