Women's US	Men's US	Euro	UK	Japan
5	3	35	3	22
6	4	36.5	4	23
7	5	37.5	5	24
8	6	39	6	24.5
9	7	40	7	25.5
10	8	41.5	8	26.5
11	9	42.5	9	27.5
12	10	44	10	28.5
13	11	45	11	29.5
14	12	46.5	12	30.5
15	13	48	13	31.5
16	14	49	14	32
17	15	50	15	33
18	16	51.5	16	34
19	17	53	17	35

Standard Women's Width Chart

X-Narrow	Narrow	Medium	Wide	X-Wide
4A, 3A	2A(N)	B(M)	D/D	3, 3E, 4E, 5E

*Standard narrow is 2A(N) because 2A and N are the most common narrow width designations; Standard medium is B(M) because B and M are the most common medium width designations; Standard wide is C/D because C and D are the most common wide width designations