US Sizes	Foot Length Inches
M4/W6	9
M5/W7	9 1/3
M6/W8	9 3/5
M7/W9	10
M8/W10	10 1/3
M9/W11	10 3/5
M10/W12	11
M11	11
M12	11 1/4
M13	11 4/7
M14	11 7/8
M15	12 1/5

US Sizes	Foot Length Centimeters
M4/W6	22.9
M5/W7	23.7
M6/W8	24.6
M7/W9	25.4
M8/W10	26.3
M9/W11	27.1
M10-W12	28
M11	27.9
M12	28.6
M13	29.4
M14	30.2
M15	31

EU Sizes	Foot Length Inches
36-37	9
37-38	9 1/3
38-39	9 3/5
39-40	10
41-42	10 1/3
42-43	10 3/5
33-44	11
45-46	11
46-47	11 1/4
48-49	11 4/7
49-50	11 7/8
50-51	12 1/5

EU Sizes	Foot Length Centimeters
36-37	22.9
37-38	23.7
38-39	24.6
39-40	25.4
41-42	26.3
42-43	27.1
43-44	28
45-46	27.9
46-47	28.6
48-49	29.4
49-50	30.2
50-51	31