Birkenstock

Women

EUR	US	UK	CM
35	4-4.5	2.5	22.5
36	5-5.5	3.5	23
37	6-6.5	4.5	24
38	7-7.5	5	24.5
39	8-8.5	5.5	25
40	9-9.5	7	26
41	10-10.5	7.5	26.5
42	11-11.5	8	27
43	12-12.5	9	28

Men

EUR	US	UK	CM
39	6-6.5	5.5	25
40	7-7.5	7	26
41	8-8.5	7.5	26.5
42	9-9.5	8	27
43	10-10.5	9	28
44	11-11.5	9.5	28.5
45	12-12.5	10.5	29
46	13-13.5	11.5	30
47	14-14.5	12	30.5
48	15-15.5	13	31
49	16-16.5	14	32
50	17-17.5	14.5	32.5

Kids

EUR	US	UK	CM
24	6-6.5	7	15
25	7-7.5	8	16
26	8-8.5	8.5	16.5
27	9-9.5	9	17
28	10-10.5	10	18
29	11-11.5	11	18.5
30	12-12.5	11.5	19
31	13-13.5	13	20
32	1-1.5	13.5	20.5
33	2-2.5	1	21
34	3-3.5	2	22
35	4-4.5	2.5	22.5
36	5-5.5	3.5	23
37	6-6.5	4.5	24
38	7-7.5	5	24.5
39	8-8.5	5.5	25