This is a most common chart. Sizes can vary significantly among different shoe types and brands.
1 in = 1″ = 2.54 cm
| Shoe Size | Shoe Widths | ||||||
| Inches | cm | US size | Euro size | Shoe size | A | B (Standard) | D |
| 8 1/2 | 21.6 | 5 | 36 | 5 | 2.6″ | 2.8″ | 3.0″ |
| 8 2/3 | 22.0 | 5 1/2 | 36 1/2 | 5 1/2 | 2.7″ | 2.9″ | 3.1″ |
| 8 5/6 | 22.4 | 6 | 37 | 6 | 2.8″ | 2.9″ | 3.1″ |
| 9 | 22.9 | 6 1/2 | 37 1/2 | 6 1/2 | 2.8″ | 3.0″ | 3.2″ |
| 9 1/16 | 23.3 | 7 | 38 | 7 | 2.9″ | 3.1″ | 3.3″ |
| 9 1/3 | 23.7 | 7 1/2 | 38 1/2 | 7 1/2 | 2.9″ | 3.1″ | 3.3″ |
| 9 1/2 | 24.1 | 8 | 39 | 8 | 3.0″ | 3.2″ | 3.4″ |
| 9 2/3 | 24.6 | 8 1/2 | 39 1/2 | 8 1/2 | 3.1″ | 3.3″ | 3.4″ |
| 9 5/16 | 25 | 9 | 40 | 9 | 3.1″ | 3.3″ | 3.5″ |
| 10 | 25.4 | 9 1/2 | 40 1/2 | 9 1/2 | 3.2″ | 3.4″ | 3.6″ |
| 10 1/6 | 25.8 | 10 | 41 | 10 | 3.3″ | 3.4″ | 3.6″ |
About how to measure your foot, simply, the longest points of your foot decides the size, the widest points of your foot decides the width of the shoes.
In addition, measure your foot after 4 pm because your foot can get bigger after some sports. And measure both of your foot and then choose the bigger one. And every one year or two, your foot can change significantly, so consider it.