APPROX.AGE |
USA |
UK |
EUROPE |
| 6-9 month | 3 | 2 | 18 |
| 6-9 month | 4 | 3 | 19 |
| 9-12 month | 5 | 4 | 20 |
| 12-18 month | 5 1/2 | 4 1/2 | 21 |
| 18-24 month | 6 | 5 | 22 |
| 2 years | 7 | 6 | 23 |
| 2 years | 8 | 7 | 24 |
| 3 years | 9 | 8 | 25 |
| 3 years | 9 1/2 | 8 1/2 | 26 |
| 4 years | 10 | 9 | 27 |
| 5 years | 11 | 10 | 28 |
| 6 years | 12 | 11 | 29 |
| 7 years | 13 | 12 | 30 |
| 8 years | 13 1/2 | 12 1/2 | 31 |
| 8 years | 1 | 13 | 32 |
| 9 years | 2 | 1 | 33 |
| 10 years | 3 | 2 | 34 |
| 11 years | 3 1/2 | 2 1/2 | 35 |
| 12 years | 4 | 3 | 36 |
| 13 years | 5 | 4 | 37 |
| 14 years | 6 | 5 | 38 |
| 15 years | 7 | 6 | 39 |
| 16 years | 7 1/2 | 6 1/2 | 40 |
*Measurements are to the nearest 5 mm or 1/4 inch.
