English - Mens sizing	European size	Millimetres
1	33	220
1.5	33.5	225
2	34	227
2.5	35	232
3	35.5	236
3.5	36	240
4	36.5	245
4.5	37	247
5	38	252
5.5	38.5	257
6	39	260
6.5	40	265
7	40.5	270
7.5	41	275
8	41.75	278
8.25	42	280
8.5	42.5	282
9	43	286
9.5	43.5	290
10	44.5	298
10.5	45	302
11	45.5	305
11.5	46	308
12	47	312
12.5	47.5	315
13	48	320