my gym has one of these where you enter the height and weight, type of build and age... it comes up with a bf% after you grip it for abotu 10 seconds. doesnt seem like it could be accurate but whats your opinions on these
bio-electrical impedence. Too dependant on hydration levels. It'll give you a good general idea.
Give a man a fish, feed him for a day. Teach a man to fish, feed him for life. Lao Tse 6th century BC