Women's Shoe Size Equivalents | Women's Standard Width Equivalents | Men's Shoe Size Equivalents | Men's Standard Width Equivalents | Kids' Shoe Size Equivalents
| US | EU | UK | Mexico | Inches | Centimeters |
| 4 | 34 | 2 | 1.5 | 8 1/4 | 21 |
| 4.5 | 34.5 | 2.5 | 2 | 8 1/2 | 21.6 |
| 5 | 35 | 3 | 2.5 | 8 5/8 | 21.9 |
| 5.5 | 35.5 | 3.5 | 3 | 8 3/4 | 22.2 |
| 6 | 36 | 4 | 3.5 | 9 | 22.9 |
| 6.5 | 36.5 | 4.5 | 4 | 9 1/8 | 23.2 |
| 7 | 37 | 5 | 4.5 | 9 1/4 | 23.5 |
| 7.5 | 37.5 | 5.5 | 5 | 9 1/2 | 24.1 |
| 8 | 38 | 6 | 5.5 | 9 5/8 | 24.4 |
| 8.5 | 38.5 | 6.5 | 6 | 9 3/4 | 24.8 |
| 9 | 39 | 7 | 6.5 | 10 | 25.4 |
| 9.5 | 39.5 | 7.5 | 7 | 10 1/8 | 25.7 |
| 10 | 40 | 8 | 7.5 | 10 1/4 | 26 |
| 10.5 | 41 | 8.5 | 8 | 10 1/2 | 26.7 |
| 11 | 42 | 9 | 8.5 | 10 5/8 | 27 |
| 12 | 43 | 9.5 | 9 | 11 | 27.9 |
| 13 | 44 | 10 | 9.5 | 11 1/4 | 28.6 |
| 14 | 45 | 10.5 | 10 | 11 5/8 | 29.5 |
| Super Slim | 4A, AAAA, SS |
| Slim | 3A, AAA, S |
| Narrow | 2A, AA, N |
| Medium | B, M, MW |
| Wide | C, D, E, W, WW |
| Extra Wide | 2E, EE, XW |
| US | EU | UK | Mexico | Inches | Centimeters |
| 5 | 36.5 | 4.5 | 4 | 9 | 22.9 |
| 5.5 | 37 | 5 | 4.5 | 9 1/8 | 23.2 |
| 6 | 37.5 | 5.5 | 5 | 9 1/4 | 23.5 |
| 6.5 | 38 | 6 | 5.5 | 9 1/2 | 24.1 |
| 7 | 38.5 | 6.5 | 6 | 9 5/8 | 24.4 |
| 7.5 | 39 | 7 | 6.5 | 9 3/4 | 24.8 |
| 8 | 39.5 | 7.5 | 7 | 10 | 25.4 |
| 8.5 | 40 | 8 | 7.5 | 10 1/8 | 25.7 |
| 9 | 41 | 8.5 | 8 | 10 1/4 | 26 |
| 9.5 | 42 | 9 | 8.5 | 10 1/2 | 26.7 |
| 10 | 43 | 9.5 | 9 | 10 5/8 | 27 |
| 10.5 | 44 | 10 | 9.5 | 10 3/4 | 27.3 |
| 11 | 45 | 10.5 | 10 | 11 | 27.9 |
| 12 | 46 | 11.5 | 11 | 11 1/4 | 28.6 |
| 13 | 47 | 12.5 | 12 | 11 5/8 | 29.5 |
| 14 | 48 | 13.5 | 13 | 12 | 30.5 |
| 15 | 49 | 14.5 | 14 | 12 1/4 | 31.1 |
| 16 | 50 | 15.5 | 15 | 12 5/8 | 32.1 |
| 17 | 51 | 16.5 | 16 | 13 | 33 |
| 18 | 52 | 17.5 | 17 | 13 1/4 | 33.7 |
| 19 | 53 | 18.5 | 18 | 13 5/8 | 34.6 |
| 20 | 54 | 19.5 | 19 | 14 | 35.6 |
| Narrow | 3A, AAA, 2A, AA, B, N, C, S |
| Medium | D, M |
| Wide | E, W |
| Extra Wide | 2E, EE, WW, XS, 3E, EEE, 4E, EEEE |
| US Size | EU Size | UK Size | Inches | cm | Approximate Age | ||
| Infant | 0 |
16 |
0 |
3 |
7 5/8 |
0-12 Months | |
| 1 | 16 | 0.5 | 3 1/3 | 8 1/2 | |||
| 2 | 17 | 1 | 3 2/3 | 9 1/3 | |||
| 3 | 18 | 2 | 4 | 10 1/6 | |||
| 3.5 | 19 | 2.5 | 4 1/6 | 10 3/5 | |||
| Toddler | 4 | 19 | 3 | 4 1/3 | 11 | 1-4 Years | |
| 4.5 | 20 | 3.5 | 4 1/2 | 11 3/7 | |||
| 5 | 20 | 4 | 4 2/3 | 11 6/7 | |||
| 5.5 | 21 | 4.5 | 4 5/6 | 12 2/7 | |||
| 6 | 22 | 5 | 5 | 12 2/3 | |||
| 6.5 | 22 | 5.5 | 5 1/6 | 13 1/8 | |||
| 7 | 23 | 6 | 5 1/3 | 13 5/9 | |||
| 7.5 | 23 | 6.5 | 5 1/2 | 14 | |||
| 8 | 24 | 7 | 5 2/3 | 14 2/5 | |||
| 8.5 | 25 | 7.5 | 5 5/6 | 14 4/5 | |||
| 9 | 25 | 8 | 6 | 15 1/4 | |||
| 9.5 | 26 | 8.5 | 6 1/6 | 15 2/3 | |||
| 10 | 27 | 9 | 6 1/3 | 16 | |||
| Little Kid | 10.5 | 27 | 9.5 | 6 1/2 | 16 1/2 | 4-8 Years | |
| 11 | 28 | 10 | 6 2/3 | 17 | |||
| 11.5 | 29 | 10.5 | 6 5/6 | 17 1/3 | |||
| 12 | 30 | 11 | 7 | 17 7/9 | |||
| 12.5 | 30 | 11.5 | 7 1/6 | 18 1/5 | |||
| 13 | 31 | 12 | 7 1/3 | 18 5/8 | |||
| 13.5 | 31 | 12.5 | 7 1/2 | 19 | |||
| 1 | 32 | 13 | 7 2/3 | 19 1/2 | |||
| 1.5 | 33 | 14 | 7 5/6 | 19 8/9 | |||
| 2 | 34 | 1 | 8 | 20 1/3 | |||
| 2.5 | 34 | 1.5 | 8 1/6 | 20 3/4 | |||
| 3 | 35 | 2 | 8 1/3 | 21 1/6 | |||
| Women's Sizes | |||||||
| Big Kid | 3.5 | 35 | 2.5 | 8 1/2 | 21 3/5 | 8-12 Years | 5 |
| 4 | 36 | 3 | 8 2/3 | 22 | 5.5 |
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| 4.5 | 36 | 3.5 | 8 5/6 | 22 3/7 | 6 |
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| 5 | 37 | 4 | 9 | 22 6/7 | 6.5 |
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| 5.5 | 37 | 4.5 | 9 1/6 | 23 2/7 | 7 |
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| 6 | 38 | 5 | 9 1/3 | 23 5/7 | 7.5 |
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| 6.5 | 38 | 5.5 | 9 1/2 | 24 1/8 | 8 |
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| 7 | 39 | 6 | 9 2/3 | 24 5/9 | 8.5 |
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| 7.5 | 39 | 6.5 | 9 5/6 | 25 | 9 |
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| 8 | 40 | 7 | 10 | 25 2/5 | 9.5 |
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| 8.5 | 40 | 7.5 | 10 1/6 | 25 5/6 | 10 |
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| 9 | 41 | 8 | 10 1/3 | 26 1/4 | |||