Convert Men to Women Shoe Sizes

How do you convert men's shoe size to a women's shoe size?  It's fairly standard that you subtract 2 sizes from the women's size shoe to get the men's size.  The chart below easily converts a man's shoe size to a woman's:

Men's size 2 = Women's size 4
Men's size 3 = Women's size 5
Men's size 4 = Women's size 6
Men's size 5 = Women's size 7
Men's size 6 = Women's size 8
Men's size 7 = Women's size 9
Men's size 8 = Women's size 10
Men's size 9 = Women's size 11
Men's size 10 = Women's size 12
Men's size 11 = Women's size 13
Men's size 12 = Women's size 14
Men's size 13 = Women's size 15
Men's size 14 = Women's size 16