Shoe Sizing Chart by Brand

Nike
Adidas
   
Reebok
Under Crown
   
PF Flyers
Other Brands

Nike Shoes
US European
US European UK CM centimeters (*Japanese)
Men's
7.5 40.5 6.5 25.5
8 41 7 26
8.5 42 7.5 26.5
9 42.5 8 27
9.5 43 8.5 27.5
10 44 9 28
10.5 44.5 9.5 28.5
11 45 10 29
11.5 45.5 10.5 29.5
12 46 11 30
13 47.5 12 31
14 48.5 13 32
15 49.5 14 33
Big Kids
4 36 3.5 23
4.5 36.5 4 23.5
5 37.5 4.5 23.5
5.5 38 5 24
6 38.5 5.5 24
6.5 39 6 24.5
7 40 6 25
Little Kids
10.5 27.5 10 16.5
11 28 10.5 17
11.5 28.5 11 17.5
12 29.5 11.5 18
12.5 30 12 18.5
13 31 12.5 19
13.5 31.5 13 19.5
1 32 13.5 20
1.5 33 1 20.5
2 33.5 1.5 21
2.5 34 2 21.5
3 35 2.5 22
Women's
5 35.5 2.5 22
5.5 36 3 22.5
6 36.5 3.5 23
6.5 37.5 4 23.5
7 38 4.5 24
7.5 38.5 5 24.5
8 39 5.5 25
8.5 40 6 25.5
9 40.5 6.5 26
9.5 41 7 26.5
10 42 7.5 27
10.5 42.5 8 27.5
11 43 8.5 27.5
11.5 44 9 28.5
12 44.5 9.5 29

 
Reebok Shoes
US European
US European UK CM centimeters (*Japanese)
Men's
6.5 38.5 5.5 24.5
7 39 6 25
7.5 40 6.5 25.5
8 40.5 7 26
8.5 41 7.5 26.5
9 42 8 27
9.5 42.5 8.5 27.5
10 43 9 28
10.5 44 9.5 28.5
11 44.5 10 29
11.5 45 10.5 29.5
12 45.5 11 30
12.5 46 11.5 30.5
13 47 12 31
13.5 48 12.5 31.5
14 48.5 13 32
15 50 14 33
16 52 15 34
17 53.5 16 35
18 55 17 36
Big Kids
4 35 3.5 23
4.5 36 4 23.5
5 36.5 4.5 23.5
5.5 37 5 24
6 38 5.5 24.5
6.5 38.5 6 24.5
7 39 6.5 25
Women's
5 35 2.5 22
5.5 35.5 3 22.5
6 36 3.5 23
6.5 37 4 23.5
7 37.5 4.5 24
7.5 38 5 24.5
8 38.5 5.5 25
8.5 39 6 25.5
9 40 6.5 26
9.5 40.5 7 26.5
10 41 7.5 27
10.5 42 8 27.5
11 42.5 8.5 28
12 44 9.5 29

 
Adidas Shoes
US European
US European UK CM centimeters (*Japanese)
Men's
6 38 2/3 5.5 24
6.5 39 1/3 6 24.5
7 40 6.5 25
7.5 40 2/3 7 25.5
8 41 1/3 7.5 26
8.5 42 8 26.5
9 42 2/3 8.5 27
9.5 43 1/3 9 27.5
10 44 9.5 28
10.5 44 2/3 10 28.5
11 45 1/3 10.5 29
11.5 46 11 29.5
12 46 2/3 11.5 30
12.5 47 1/3 12 30.5
13 48 12.5 31
14 49 1/3 13.5 32
15 50 2/3 14.5 33
16 51 1/3 15 33.5
17 52 2/3 16 34.5
18 53 1/3 17 35.5
Women's
5 36 3.5 22
5.5 36 2/3 4 22.5
6 37 1/3 4.5 23
6.5 38 5 23.5
7 38 2/3 5.5 24
7.5 39 1/3 6 24.5
8 40 6.5 25
8.5 40 2/3 7 25.5
9 41 1/3 7.5 26
9.5 42 8 26.5
10 42 2/3 8.5 27
10.5 43 1/3 9 27.5
11 44 9.5 28
11.5 44 2/3 10 28.5
12 45 1/3 10.5 29
13 46 2/3 11.5 30
14 48 12.5 31
Big Kids
3.5 34.5 3 22.5
4 35 3.5 23
4.5 36 4 23.5
5 36.5 4.5 23.5
5.5 37 5 24
6 38 5.5 24.5
Little Kids
10 26.5 9.5 16
10.5 27 10 16.5
11 27.5 10.5 17
11.5 28 11 17.5
12 28.5 11.5 18
12.5 29 12 18.5
13 30.5 12.5 19

 
PF Flyers
US European
US European UK CM centimeters (*Japanese)
Men's
6 ½ 39 6 24.5
7 40 6.5 25
7 ½ 40.5 7 25.5
8 41 7.5 26
8 ½ 42 8 26.5
9 42.5 8.5 27
9 ½ 43 9 27.5
10 44 9.5 28
10 ½ 44.5 10 28.5
11 45 10.5 29
11 ½ 45.5 11 29.5
12 46 11.5 30
13 47.5 12.5 31
14 48.5 13.5 32
15 49.5 14.5 33
Under Crown (UndrCrwn)
US European
US European UK CM centimeters (*Japanese)
Men's
6 ½ 39 6 24.5
7 40 6 25
7 ½ 40.5 6.5 25.5
8 41 7 26
8 ½ 42 7.5 26.5
9 42.5 8 27
9 ½ 43 8.5 27.5
10 44 9 28
10 ½ 44.5 9.5 28.5
11 45 10 29
11 ½ 45.5 10.5 29.5
12 46 11 30
13 47.5 12 31
14 48.5 13 32
15 49.5 14 33
16 50.5 15 34
17 51.5 16 35

 
Other Brands (May differ slightly for different brand)
US European
US European UK CM centimeters (*Japanese)
Men's
6 38 5 23 ½
6 ½ 38.5 5.5 24
7 39 6 24 ½
7 ½ 40 6.5 25
8 41 7 25 ½
8 ½ 41.5 7.5 26
9 42 8 26 ½
9 ½ 42.5 8.5 27
10 43 9 27 ½
10 ½ 43.5 9.5 28
11 44 10 28 ½
11 ½ 44.5 10.5 29
12 45 11 29 ½
13 46 12 30
14 47 13 30 ½
15 48 14 31
Women's
5 36 3.5 23
5 ½ 37 4 23 ½
6 37.5 4.5 24
6 ½ 38 5 24 ½
7 38.5 5.5 25
7 ½ 39 6 25 ½
8 39.5 6.5 26
8 ½ 40 7 26 ½
9 41 7.5 27
9 ½ 42 8 27 ½
10 42.5 8.5 28
10 ½ 43 9 28 ½
11 44 9.5 29
11 ½ 44.5 10 29 ½
12 45 10.5 30
Big Kids
4 36 3.5 23
4.5 36.5 4 23.5
5 37.5 4.5 23.5
5.5 38 5 24
6 38.5 5.5 24
6.5 39 6 24.5
7 40 6 25
Little Kids
9 27 8 25
10 28 9 26.5
11 29 10 28
12 30 11 29.5
13 31 12 30.5
1 32 13 32
1 ½ 33 1 33
2 34 2 33.5