| US | Diameter | Circumference | AUS/UK |
|---|---|---|---|
| 3 | 14.40 mm | 45.2 mm | G |
| 4 | 14.86 mm | 46.7 mm | H½ |
| 5 | 15.70 mm | 49.3 mm | J½ |
| 6 | 16.51 mm | 51.9 mm | L½ |
| 7 | 17.32 mm | 54.4 mm | N |
| 8 | 18.14 mm | 57.0 mm | P |
| 9 | 18.95 mm | 59.5 mm | R |
| US | Diameter | Circumference | AUS/UK |
|---|---|---|---|
| 3 | 14.40 mm | 45.2 mm | G |
| 4 | 14.86 mm | 46.7 mm | H½ |
| 5 | 15.70 mm | 49.3 mm | J½ |
| 6 | 16.51 mm | 51.9 mm | L½ |
| 7 | 17.32 mm | 54.4 mm | N |
| 8 | 18.14 mm | 57.0 mm | P |
| 9 | 18.95 mm | 59.5 mm | R |