| UK | HEEL-TOE | EUROPE | US-MEN | US-WOMEN |
| 3.5 | 8.7" | 36Y | 4 | 5 |
| 4 | 8.9" | 36 2/3 | 4.5 | 5.5 |
| 4.5 | 9.0" | 37 1/3 | 5 | 6 |
| 5 | 9.2" | 38 | 5.5 | 6.5 |
| 5.5 | 9.4" | 38 2/3 | 6 | 7 |
| 6 | 9.5" | 39 1/3 | 6.5 | 7.5 |
| 6.5 | 9.7" | 40Y | 7 | 8 |
| 7 | 9.9" | 40 2/3 | 7.5 | 8.5 |
| 7.5 | 10.0" | 41 1/3 | 8 | 9 |
| 8 | 10.2" | 42 | 8.5 | 9.5 |
| 8.5 | 10.4" | 42 2/3 | 9 | 10 |
| 9 | 10.5" | 43 1/3 | 9.5 | 10.5 |
| 9.5 | 10.7 | 44 | 10 | 11 |
| 10 | 10.9" | 44 2/3 | 10.5 | 11.5 |
| 10.5 | 11.0" | 45 1/3 | 11 | 12 |
| 11 | 11.2" | 46 | 11.5 | 12.5 |
| 11.5 | 11.4 | 46 2/3 | 12 | 13 |
| 12 | 11.5" | 47 1/3 | 12.5 | 13.5 |
| 12.5 | 11.7" | 48 | 13 | 14 |
| 13 | 11.9" | 48 2/3 | 13.5 | 14.5 |
| 13.5 | 12.0" | 49 1/3 | 14 | 15 |
| 14 | 12.2" | 50 | 14.5 | 15.5 |
| 14.5 | 12.4" | 50 2/3 | 15 | |
| 15 | 12.7" | 51 1/3 | 16 | |
| 16 | 13.0" | 52 2/3 | 17 | |
| 17 | 13.4" | 53 1/3 | 18 | |
| 18 | 13.7" | 54 2/3 | 19 |
BABIES AND TODDLERS: BOYS AND GIRLS AGE 0 -3 YEARS
| HEEL-TOE | UK | US | EU |
| 3.2" | 0K | 1K | 16 |
| 3.5" | 1K | 2K | 17 |
| 3.9" | 2K | 3K | 18 |
| 4.2" | 3K | 4K | 19 |
| 4.5" | 4K | 5K | 20 |
| 4.8" | 5K | 5.5K | 21 |
| 5.0" | 5.5K | 6K | 22 |
| 5.2" | 6K | 6.5K | 23 |
| 5.4" | 6.5K | 7K | 23.5 |
| 5.5 | 7K | 7.5K | 24 |
| 5.7" | 7.5K | 8K | 25 |
| 5.9" | 8K | 8.5K | 25.5 |
| 6.0" | 8.5K | 9K | 26 |
| 6.2" | 9K | 9.5K | 26.5 |
| 6.3" | 9.5K | 10K | 27 |
CHILDREN: BOYS AND GIRLS AGE 4 -7 YEARS.
| HEEL-TOE | UK | US | EU |
| 6.5" | 10K | 10.5K | 28 |
| 6.7" | 10.5K | 11K | 28.5 |
| 6.9" | 11K | 11.5K | 29 |
| 7.0" | 11.5K | 12K | 30 |
| 7.2" | 12K | 12.5K | 30.5 |
| 7.4" | 12.5K | 13K | 31 |
| 7.5" | 13K | 13.5KY | 31.5 |
| 7.7" | 13.5K | 1 | 32 |
| 7.9" | 1 | 1.5 | 33 |
| 8.0" | 1.5 | 2 | 33.5 |
| 8.2" | 2 | 2.5 | 35 |
| 8.3" | 2.5 | 3 | 35 |
YOUTH AND TEENS: BOYS AND GIRLS AGE 8-16 YEARS.
| HEEL-TOE | UK | US | EU |
| 8.5" | 3 | 3.5 | 35.5 |
| 8.7" | 3.5 | 4Y | 36 |
| 9.0" | 4.5 | 5 | 37 1/3 |
| 9.2" | 5 | 5.5 | 38 |
| 9.4" | 5.5 | 6 | 38 2/3 |
| 9.5" | 6 | 6.5 | 39 1/3 |
| 9.7" | 6.5 | 7 | 40 |
| 9.8" | 7 | 7.5 | 40 2/3 |