1PC Crossfit Body Fat Loss Tester Calculator Fitness Caliper Clip Measurement Slim Skin Fold Body Fat Chart Gym Equipment What about body fat content? How should it be done more appropriately? 1. Measurement site: Upper arm - the midpoint of the line connecting the acromion of the right arm to the radial head, that is, the abdomen of the triceps muscle. Back - under the right scapula angle. Abdomen - 1cm next to the umbilicus on the right abdomen. In addition to the above parts, the neck, chest, waist, anterior and posterior thighs, and calf gastrocnemius muscles can also be measured according to research needs. It should be noted that the thickness of subcutaneous fat measured with a sebum meter is twice the sum of the skin and subcutaneous fat tissue. Specifically, you can use fat calculator software to calculate your body fat ratio. How to tell if you're losing fat or muscle , calculation formula 1. The method of calculating body density according to the thickness of subcutaneous fat, and we temporarily quote the formula for calculating body density obtained by Japanese teenagers for users' reference. The formula is: Men: 15-18 years old body density = 1.0977-0.00146X 19 years old and over body density = 1.0913-0.00116X Women: 15-18 years old body density = 1.0931-0.00160X 19 years old and above body density = 1.0897-0.00133X X = lower scapula angle + upper arm sebum (mm) 2. Calculation of body fat % Using Broxek's (1963) modified formula to calculate body fat %, it is considered that Broxek's modified formula to calculate body fat % is a more reliable calculation method, and its formula is: Body Fat % = (4.57/Body Density-4.142) X100 Body Fat Weight = Body Weight (kg) X Body Fat % Net Body Weight (Left Body Weight) = Body Weight (kg) - Body Fat Mass (kg) Package include: 1pc x Fat Tester Caliper 1pc x User Manual