This chart illustrates the comparisons between international size standards. Note that it is a general guide only.
| Australia | USA | UK | Germany | France | Italy |
|---|---|---|---|---|---|
| 8 | 4 | 8 | 32 | 34 | 38 |
| 10 | 6 | 10 | 34 | 36 | 40 |
| 12 | 8 | 12 | 36 | 38 | 42 |
| 14 | 10 | 14 | 38 | 40 | 44 |
| 16 | 12 | 16 | 40 | 42 | 46 |
| 18 | 14 | 18 | 42 | 44 | 48 |
| 20 | 16 | 20 | 44 | 46 | 50 |