42mm is 25ths of the way between 40 and 45. Two fifths of the way from 203 to 218 is approximately 209. For women a body fat range of 13 31is considered healthy while for men the range is 5 24. Having more than that can have adverse health effects and isnt recommended. Such scales work with the help of sensors underneath. The lower your body fat percentage the higher percentage of lean muscle mass you have on your frame.
A basic way to measure body fat percentage is by using a soft tape measure like the kind youd use for sewing to record measurements of different parts of the body. How does fat leave the body. Referring to the chart for males we find bodyfat listings for 40 and 45mm. Specifically it tells you the percent of your total body weight that is fat. While they can provide some useful baseline data they shouldnt be the main focus when it. A body fat percentage below 5 is regarded as a warning.
A fit man might have a body fat percentage between 14 and 17 percent while the average man ranges from 18 to 24 percent fat. For men essential fat levels are between 2 and 5 percent with male athletes often having levels from 6 to 13 percent. But others feel that body fat percentage is really the way to go. The bmi numbers are way too general to be really useful says tammy callahan marketing manager of life measurement inc which. Body fat scales are easy to use. The healthy range of body fat for men is typically defined as 8 19 while the healthy range for women is 21 33.
Bmi and body fat measurements are two methods you can use to assess your body weight and composition. Body fat is not the most accurate measure of health however and it becomes more acceptable to have more body fat the older you are due to your metabolism slowing. You simply step on the scale and the tool measures both your body weight and your estimated fat percentage. According to pennsylvania state university the average guys body fat is 15 20 3 of which is essential meaning youd die without it. The bodyfat for 48mm is 203 and for 45mm it is 218.