ON Size guide

Use the chart below to convert between US, UK, EU and JP sizes.

Men

US	UK	EU	JP (cm)
7	6.5	40	25
7.5	7	40.5	25.5
8	7.5	41	26
8.5	8	42	26.5
9	8.5	42.5	27
9.5	9	43	27.5
10	9.5	44	28
10.5	10	44.5	28.5
11	10.5	45	29
11.5	11	46	29.5
12	11.5	47	30
12.5	12	47.5	30.5
13	12.5	48	31
13.5	13	48.5	31.5
14	13.5	49	32
15	14.5	50	33

Women

US	UK	EU	JP (cm)
5	3	36	22
5.5	3.5	36.5	22.5
6	4	37	23
6.5	4.5	37.5	23.5
7	5	38	24
7.5	5.5	38.5	24.5
8	6	39	25
8.5	6.5	40	25.5
9	7	40.5	26
9.5	7.5	41	26.5
10	8	42	27
10.5	8.5	42.5	27.5
11	9	43	28
12	10	44	29