International Size Cross-Reference

Here are the corresponding sizes in the European (EU), Japanese (JP), United Kingdom (UK), and United States (US) shoe measurement systems for infants, children, women, and men. Data in centimeters (CM) provided when available.

IMPORTANT: In many cases, manufacturers do not agree as to the meaning of the shoe sizes.

Inconsistencies:

Prefix letters indicate variant data by brand, as follows:

Infants and Toddlers:

US UK EU JP CM
2.0 1.5 17.0 7.0  
2.5 2.0 18.0 7.5  
3.0 2.5 18.5 8.0  
3.5 3.0 19.0 8.5  
4.0 3.5 19.5 9.0 10.0
4.5 4.0 20.0 9.5 10.5
5.0 4.5 21.0 10.0 11.0
5.5 5.0 21.5 10.5 11.5
6.0 5.5 22.0 11.0 12.0
6.5 6.0 22.5 11.5 12.5
7.0 6.5 23.5 12.0 13.0
7.5 7.0 24.0 12.5 13.5
8.0 7.5 25.0
T24.5		 13.0 14.0

Children:

US UK EU JP CM
8.5 8.0 25.5
T25.0		 13.5 14.5
9.0 8.5 26.0
T25.5		 14.0 15.0
9.5 9.0 26.5
T26.0		 14.5 15.5
10.0 9.5 27.0
T26.5		 15.0 16.0
10.5 10.0 27.5
T27.0		 15.5 16.5
11.0 10.5 28.0
T27.5		 16.0 17.0
11.5 11.0 28.5
T28.0		 16.5 17.5
12.0 11.5 29.5
T29.0		 17.0 18.0
12.5 12.0 30.0 17.5 18.5
13.0 12.5 31.0
T30.5		 18.0 19.0
13.5 13.0 31.5
T31.0		 18.5 19.5
1.0 13.5 32.0
T31.5		 19.0 20.0
1.5 1.0 33.0
T32.0		 19.5 20.5
2.0 1.5 33.5
T32.5		 20.0 21.0
2.5 2.0 34.0
T33.0		 20.5 21.5
3.0 2.0
T2.5		 35.0
T34.0		 21.0 22.0
3.5 2.5
T3.0		 35.5
T34.5		 21.5 22.5
4.0 3.0
T3.5		 36.0
T35.0		 22.0 23.0
4.5 3.5
T4.0		 36.5
T36.0		 22.5 23.5
5.0 4.0
T4.5		 37.5
T36.5		 23.0 T23.5
5.5 4.5
T4.0		 38.0
T37.0		 23.5 24.0
6.0 5.0
T5.5		 38.5
T38.0		 24.0 24.5
6.5 5.5 39.0 24.5  

Women:

US UK EU JP CM
5.0 4.0
T2.5		 35.0 22.0 22.0
5.5 4.5
T3.0		 35.5 22.5 22.5
6.0 5.0
T3.5		 36.0 23.0 23.0
6.5 5.5
T4.0		 36.5 23.5 23.5
7.0 6.0
T4.5		 37.5 24.0 24.0
7.5 6.5
T5.0		 38.0 24.5 24.5
8.0 6.5
T5.5		 38.5 25.0 25.0
8.5 7.0
T6.0		 39.0 25.5 25.5
9.0 7.5
T6.5		 40.0 26.0 26.0
9.5 8.0
T7.0		 40.5 26.5 26.5
10.0 8.5
T7.5		 41.0 27.0 27.0
11.0 9.5 42.0 28.0  
12.0 10.5 42.5 29.0  

Men:

US UK EU JP

CM
6.0 5.0 38.5 24.0  
6.5 5.5 39.0
T38.5		 24.5 24.5
7.0 6.0 40.0
T39.0		 25.0 25.0
7.5 6.5 40.5
T40.0		 25.5 25.5
8.0 7.0 41.0
T40.5		 26.0 26.0
8.5 7.5 42.0
T41.0		 26.5 26.5
9.0 8.0 42.5
T42.0		 27.0 27.0
9.5 8.5 43.0
T42.5		 27.5 27.5
10.0 9.0 44.0
T43.0		 C28.5
28.0		 28.0
10.5 9.5 44.5
T44.0		 28.5 28.5
11.0 10.0 45.0
T44.5		 29.0 29.0
11.5 10.5 C46.0
45.5
T45.0		 29.5 29.5
12.0 11.0 46.0
T45.0		 30.0 N30.0
T30.0
12.5 12.0 47.5 31.0  
13.0 a12.5
T12.0		 A47.0
T47.0		   A30.0
T31.0
14.0 T13.0 T48.5   T32.0
15.0 T14.0 T50.0   T33.0
16.0 T15.0 T52.0   T34.0
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Last Updated: 25 February 2017

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