Infants'

Infants' XS (Extra Small) is 0.5, S (Small) is 2, M (Medium) is 4, L (Large) is 6

U.K. E.U. U.S. Japan in CM
0.5 16 0/1 9 9.2
2 18 2/3 11 10.9
4 20.5 4/5 12.5 12.6
6 23.5 6/7 14.5 14.3
7 25 8 15 14.5
8 26 9 16 15.5

Little Kids'

Kids' Size Conversions (1 – 5 years)
U.K. E.U. U.S. Japan in CM
5 22.5 6 13.5 13
6 23.5 7 14.5 13.5
7 25 8 15 14.5
8 26 9 16 15.5
9 27 10 16.5 16.3
10 28 11 17 17
11 29 12 17.5 18

Big Kids'

Youth Size Conversions (6 – 10 years)
U.K. E.U. U.S. Japan in CM
12 30 13 18 18.8
13 31 1 19 20
1 32 2 20 20.5
2 33 3 21 21.5
3 34 4 22 22.5
4 35 5 23 23
5 36 6 24 24
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