<P> Some shoe stores use optical devices to precisely measure the length and width of both feet and recommend the appropriate shoe model and size . (1) </P> <P> The Continental European system is used in Portugal, France, Germany, Italy, Spain, and most other continental European countries . It is also used in Middle Eastern countries (such as Iran), Brazil--which uses the same method but subtracts 2 from the final result--and, commonly, Hong Kong . </P> <P> In this system, the shoe size is the length of the last, expressed in Paris points, for both sexes and for adults and children alike . Because a Paris point is 2⁄3 of a centimetre, the formula is as follows: </P> <Dl> <Dd> s h o e s i z e (P a r i s p o i n t s) = 3 2 × l a s t l e n g t h (c m) (\ displaystyle \ mathrm (shoe ~ size ~ ((Paris ~ points)) = (\ frac (3) (2)) \ times (last ~ length) \ left ((cm) \ right))) </Dd> </Dl>

How big is a size 5 shoe in inches