How do you calculate body fat? - DFWstangs Forums
 
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post #1 of 5 (permalink) Old 04-16-2003, 05:08 PM Thread Starter
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How do you calculate body fat?

I would like to know my body fat %. How do I do it?
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post #2 of 5 (permalink) Old 04-16-2003, 06:27 PM
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Well, there are several ways of "estimating" bodyfat and one way to accurately measure it.
1. The most accurate would be hydrostatic. That is where you submerge in a pool designed to measure displacement... blah... blah... very expensive... blah

2. Second most accurate is to use skinfold calipers to pinch certain areas and obtain a general idea of how much BF you have. This can be fairly accurate if the right person is doing it with excellent calipers (lange). The key here is to have the same person measure you and to use the same method each time. I recommend the ACSM 3 site method.

3. There are others ways that are basically a waste of time like bioimpedence meters or scales. I won't get into those. You can also use a BMI formula, but it does not account for muscle mass. It can be very inaccurate for a built person with low BF. Here is a link to the BF calculator, but take the time and get a skinfold test done by someone who is experienced.

BMI calculator
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post #3 of 5 (permalink) Old 04-16-2003, 07:38 PM
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Quote:
Originally posted by Bad89stang
Well, there are several ways of "estimating" bodyfat and one way to accurately measure it.
13. There are others ways that are basically a waste of time like bioimpedence meters or scales. [/URL]
My Tanita measured my body fat within .2% of my displacement test.
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post #4 of 5 (permalink) Old 04-16-2003, 08:04 PM
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Quote:
Originally posted by 01WhiteCobra
My Tanita measured my body fat within .2% of my displacement test.
Well, you are lucky then. They only work for a very small group of people with certain bodyfat %'s. For most people they are extremely innacurate. I have used a Tanita at a fitness store that said I was at 21% BF. It was only 14% off.


Where did you have your hydrostatic measurement done?
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post #5 of 5 (permalink) Old 04-16-2003, 09:02 PM
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Cooper Institute

You need to take your reading at different times of the day on the scale, as your level of hydration will effect the impedance.
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