bronx220 said:okay try this.
step 1-multiply nude bodyweight by1.082
step2-add 94.72
3-multiply waist girth at umbilicus by 4.15
4-subtract total #3 from total#2 to get fat free weight
5-subtracttotal#4 from bodyweight
6multiply #5 by 100
7-dividetotal#6 by bodyweight to get bf%.
wont be as accurate as calipers which by the way can be 5-8% off.this is a reasonable way to make a scientific guess.as a measuring tool it is relative over time.hope this helped.this formula only works for men though.females are much more complicated.
That's a very interesting formula. I keep track of my weight and bf % using calipers. I also measure my waist to keep track of things. I used the formula to verify my bf that I recorded after the end of my last bulking cycle, my last cutting cycle, and my current stats. Each time it shows my LBM being almost identical weight, which makes sense. What bothers me the most is the formula says I'm about 8% fatter than my caliper says. At the end of my last cutting cycle, my upper abs were showing, at the belly button they weren't, and the calipers said I was at 9-10% bf. Using the formula I would of been at 17%. Any ideas out there on bf % when the abs are showing or partially showing?bronx220 said:okay try this.
step 1-multiply nude bodyweight by1.082
step2-add 94.72
3-multiply waist girth at umbilicus by 4.15
4-subtract total #3 from total#2 to get fat free weight
5-subtracttotal#4 from bodyweight
6multiply #5 by 100
7-dividetotal#6 by bodyweight to get bf%.
wont be as accurate as calipers which by the way can be 5-8% off.this is a reasonable way to make a scientific guess.as a measuring tool it is relative over time.hope this helped.this formula only works for men though.females are much more complicated.
Strat, Where is that site?Strateg0s said:There should be a site that has pictures of people at varying bodyfats, then those who just want to quickly be able to estimate their lard factor can scan and see roughly how far they have to go.
its your bodyweight in lbs. but as i stated before this is only a way to measure it is not perfect .only an autopsy has near perfect reading and even that is off by 2% hydrostatic weighing is close but not practical.if you use the formula every month and its going down do you really care what your bf really is.as long as i can see veins in my abs i am happy.the last time i competed i have no idea what my actual% was but i was ripped.Raj said:bronx220, should the weight be taken in lbs. or kg.?
if you can see just your upper abs i would guess about 15%.if you can see your lower abs {by the bb}more like10%. but you may deposit more or less fat in the region than i do so it is just a guessformer_SlimJim said:That's a very interesting formula. I keep track of my weight and bf % using calipers. I also measure my waist to keep track of things. I used the formula to verify my bf that I recorded after the end of my last bulking cycle, my last cutting cycle, and my current stats. Each time it shows my LBM being almost identical weight, which makes sense. What bothers me the most is the formula says I'm about 8% fatter than my caliper says. At the end of my last cutting cycle, my upper abs were showing, at the belly button they weren't, and the calipers said I was at 9-10% bf. Using the formula I would of been at 17%. Any ideas out there on bf % when the abs are showing or partially showing?
You should check out that link I posted. You have to measure everything!! Including wrists, ankles, knees, etc, to give it an idea of bone structure, etc.jminis said:Formula's like this don't work and are not accurate. Some people have different bone structures and more muscle which it can't account for. For example I went ahead and did it and it said I was 24%bf, I can still see all six abs. LOL and am pretty lean.
I have a electrical impedence at home. As soon as I wake up in the morning I pee and then weigh. It says that I am at 28% pretty regularly (It is supposed to read a little high in the morning due to dehydration, but is fairly consistent). I also bought the $40 calipers from one of our sponsors. I take each reading repeatedly until I get several identical measurements. It says that I am at 24%. bronx220's formula says that I am at 28% and Invalid Link Removed says that I am 17%!kwyckemynd00 said:Try this link: Invalid Link Removed
In fact, a few of you who KNOW for sure your BF%, please try. I'm curious as to how accurate it is. It told me what I'd estimated...and it's free(you have to register though)