Children:
| Foot length (mm) | Size EU | Size UK | Size US | JP |
| 137.5 | 24.5 | 7.5C | Y8 | |
| 140 | 25 | 8C | Y8.5 | 14 |
| 145 | 26 | 8.5C | Y9 | 14.5 |
| 150 | 26.5 | 9C | Y9.5 | 15 |
| 155 | 27 | 9.5C | Y10 | 15.5 |
| 160 | 28 | 10C | Y10.5 | 16 |
| 162.5 | 28.5 | 10.5C | Y11 | |
| 165 | 29 | 11C | Y11.5 | 16.5 |
| 167.5 | 29.5 | 11.5C | Y12 | |
| 170 | 30 | 12C | Y12.5 | 17 |
| 175 | 31 | 12.5C | Y13 | 17.5 |
| 180 | 31.5 | 13C | Y13.5 | 18 |
| 190 | 32 | 13.5C | 1 | 19 |
| 195 | 33 | 1 | 1.5 | 19.5 |
| 200 | 33.5 | 1.5 | 2 | 20 |
| 205 | 34 | 2 | 2.5 | 20.5 |
| 210 | 35 | 2.5 | 3 | 21 |
| 215 | 35.5 | 3 | 3.5 | 21.5 |
| 220 | 36 | 3.5 | 4 | 22 |
| 225 | 36.5 | 4 | 4.5 | 22.5 |
| 230 | 37 | 4.5 | 5 | 23 |
| 235 | 38 | 5 | 5.5 | 23.5 |
| 240 | 38.5 | 5.5 | 6 | 24 |
| 245 | 39 | 6 | 6.5 | 24.5 |
Adult:
|
Foot length (mm)
|
Size EU
|
Size UK
|
Size US
|
JP
|
|---|---|---|---|---|
|
210
|
35
|
2.5
|
3
|
21
|
|
215
|
35.5
|
3
|
3.5
|
21.5
|
|
220
|
36
|
3.5
|
4
|
22
|
|
225
|
36.5
|
4
|
4.5
|
22.5
|
|
230
|
37
|
4.5
|
5
|
23
|
|
235
|
38
|
5
|
5.5
|
23.5
|
|
240
|
38.5
|
5.5
|
6
|
24
|
|
245
|
39
|
6
|
6.5
|
24.5
|
|
250
|
40
|
6.5
|
7
|
25
|
|
255
|
40.5
|
7
|
7.5
|
25.5
|
|
260
|
41
|
7.5
|
8
|
26
|
|
265
|
42
|
8
|
8.5
|
26.5
|
|
270
|
42.5
|
8.5
|
9
|
27
|
|
275
|
43
|
9
|
9.5
|
27.5
|
|
280
|
44
|
9.5
|
10
|
28
|
|
285
|
44.5
|
10
|
10.5
|
28.5
|
|
290
|
45
|
10.5
|
11
|
29
|
|
295
|
45.5
|
11
|
11.5
|
29.5
|
|
300
|
46
|
11.5
|
12
|
30
|
|
305
|
47
|
12
|
12.5
|
30.5
|
|
310
|
47.5
|
12.5
|
13
|
31
|