Shoe Sizing Chart (for reference only, may be slightly different depending on brand) | Mens | Womens | UK | Euro | JP | | 4.5 | 6 | 3.5 | 36 | 22.5 | | 5 | 6.5 | 4 | 37 | 23 | | 5.5 | 7 | 4.5 | 37.5 | 23.5 | | 6 | 7.5 | 5 | 38 | 24 | | 6.5 | 8 | 5.5 | 38.5 | 24.5 | | 7 | 8.5 | 6 | 39 | 25 | | 7.5 | 9 | 6.5 | 40 | 25.5 | | 8 | 9.5 | 7 | 40.5 | 26 | | 8.5 | 10 | 7.5 | 41 | 26.5 | | 9 | 10.5 | 8 | 42 | 27 | | 9.5 | 11 | 8.5 | 43 | 27.5 | | 10 | 11.5 | 9 | 44 | 28 | | 10.5 | 12 | 9.5 | 44.5 | 28.5 | | 11 | 12.5 | 10 | 45 | 29 | | 11.5 | 13 | 10.5 | 45.5 | 29.5 | | 12 | 13.5 | 11 | 46 | 30 | | 12.5 | 14 | 11.5 | 46.5 | 30.5 | | 13 | 14.5 | 12 | 47 | 31 |
Shoe Sizing Chart by Brand
| 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 |
| | 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 |
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