Hydrostatic Weighing Tanks

This method is the most accurate but also the most uncomfortable. You sit on a scale in a large tank of water and blow all the air out of your lungs, then submerge yourself in the water completely. You stay underwater for 5 seconds, while your underwater weight is recorded.

How much body fat is healthy?

Same as theveed,it's the more widely used method,aside from the electronic fat measuring device(not very accuratre)that my gym uses.

quote:

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Originally posted by: theveed
"I wonder why those electronic gadgets overestimate your BF by 3-5% consistently... "

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That's true,same with other electronic medical devices,like BP monitoring and even glucose monitoring kits.