![]() Navy has developed charts based on height in inches versus the circumference value to quickly calculate an estimated body fat percentage. The estimated male body fat percentage is equal to 86.010 times log 10 of the waist minus the neck circumference, minus 70.041 times log 10 of the height, plus 36.76. Navy uses the following formula to calculate male body fat percentage: However, these methods can be expensive and require specialized equipment. Methods such as hydrostatic weighing or X-ray scans directly measure body fat percentage and provide more accurate results. Skin calipers may provide slightly more accurate measurements, but they can be painful. The body fat formula produces an estimated body fat percentage and may be generally used as an affordable and easy method to estimate one’s body fat percentage. Hips: circumference while facing the member’s right side by placing the tape around the hips so that it passes over the greatest protrusion of the gluteus muscles (buttocks) as viewed from the side. The measurement is taken at the end of a normal exhalation. Waist: abdominal circumference measured on bare skin, across the naval, and with the member’s arms down on the sides. Neck: circumference measured just below the larynx, or Adam’s apple, and perpendicular to the neck. Per Guide 4, the member will stand on a flat surface, at attention, with head held horizontal, looking directly forward, with the line of vision horizontal, and the chin parallel to the deck. Height: measured while standing straight without shoes. Then, use the formulas below to calculate body fat percentage. First, take the measurements below using the instructions outlined in Guide 4. You’ll need a few body measurements to calculate body fat percentage using the U.S. Guide 4 and NAVADMIN 178-15 define the maximum weight and specific body fat percentage standards for a Sailor’s age and gender. ![]() The Navy Physical Fitness Assessment is a two-part assessment, including the Body Composition Assessment and the Physical Readiness Test. ![]() Navy has strict standards for body composition to remain on active duty service. Small Ads - For Sale, Wanted, Swaps, Free, etc.The U.S.↳ Proposed Membership Changes - Discussion.↳ Cycling UK Member Groups and Affiliates.↳ Cycling Goods & Services - Your Reviews.↳ Racing, Olympics, TdF, Competitive cycling.Guys, You should aim for 20%, ladies 25%. What is scary is that 60 pounds of me is fat (150 pounds of muscle, bone etc.) Method \ Waist \ Neck \ Height \ Weight \ Male %bf \ Pounds Fat Here are my results so you can see if your formulae are correct: 173 x hip circumference) - (1.574 x forearm circumference) - (0.533 x neck circumference) - (0.200 x wrist circumference) + (105.328 x Log10(weight)) The YMCA formula from the YMCA guide to Physical Fitness Assessment. The Department of Defence formula to compute body-fat percentage is The measurements are in inches and can be easily put into an Excel Spreadsheet as I have shown in the first example. These were developed because they are easy to administer without specialist training, and are more consistent than using, for example, bodyfat calipers or Tanita type scales (mine show +10%). When I was part of a University study, we compared these to the Hydrostatic method, and in each case they were within 3%. As there was some earlier discussion on calculating body fat, there are a number of Anthropometric (measuring) methods that have been developed for use by the US Army, Navy and YMCA.
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