US*	UK	EU	jpn
4	2	35	20.8
4.5	2.5	35	21.3
5	3	35-36	21.6
5.5	3.5	36	22.2
6	4	36-37	22.5
6.5	4.5	37	23
7	5	37-38	23.5
7.5	5.5	38	23.8
8	6	38-39	24.1
8.5	6.5	39	24.6
9	7	39-40	25.1
9.5	7.5	40	25.4
10	8	40-41	25.9
10.5	8.5	41	26.2
11	9	41-42	26.7
11.5	9.5	42	27.1
12	10	42-43	27.6

*Approximate conversions. We recommend trying on both your equivalent size and the next size up.