Why You Should Know Your Foot Size in Centimeters
by A.A. Newton from Lifehacker on (#5N1FN)
Shoe sizes vary so much between brands that buying a new pair can feel like a crapshoot. Obviously, the best way to get a good fit is to just try them on, but that's not always possible. If you have no choice but to order online, you should know how big your feet actually are in centimeters.