Simple Methods to
Test Your Body Fat Percentage
By Paul Becker
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  When losing fat it is important to know, not just how much weight you are losing, but how much of your body is muscle and how much is fat. You want to lose fat while maintaining or even building muscle. So, you need some way to keep track of your body fat percentage.

  The following are two simple methods to determine current body fat percentage and lean mass percentage.

METHOD NUMBER ONE For this test you will need someone's help and a ruler that reads in millimeters (mm).
 

 
 
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  • Step 1. Hang your right arm at your side and have someone find the point halfway between your shoulder and elbow, on the rear (triceps side) of your arm.
  • Step 2. With his/her thumb and forefinger have him/her pinch a fold of skin and fat away from the muscle.
  • Step 3. Have him/her measure the thickness of the skin pinched. (Do not rest the ruler against the skin.)
  • Step 4. Have him/her do steps 2 and 3 several times and get the average reading.
  • Step 5. Find your body fat percentage by using the chart below.

FAT PERCENTAGE CHART

Skin Fold Thickness in mm Body Fat % Men Body Fat % Women
 
6 5-9 8-13
13 9-13 13-18
19 13-18 18-23
25 18-22 23-28
38 22-27 28-33

METHOD NUMBER TWO This test requires a scale and a tape measure. Do the following calculations:

FOR MEN - Lean body weight = 94.42 + 1.082 (nude weight in pounds) - 4.15 (waist girth around bellybutton in inches)

Then:

Body Fat (%) = Bodyweight - Lean Bodyweight x 100
Bodyweight

FOR WOMEN - Lean body weight = 8.987 + 0.732 (weight in kilograms) + 3.786 (wrist diameter in centimeters) + 0.434 (forearm circumference in centimeters)

Then:

Body Fat (%) = Bodyweight - Lean Bodyweight x 100
B
odyweight

Notes:
To convert pounds to kilograms divide by 2.2
To convert inches to centimeters divide by 0.394
Divide circumference by 3.14 (pi) to get diameter.

  Paul Becker is a natural (steroid free for life) bodybuilder and fitness consultant. He is the author of many books and courses on training and diet, the most popular of which is his book "Truly Huge". For more information on his books, courses & personalized training visit his website at http://www.trulyhuge.com

   
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