| Gauge No. | In mm as per SWG | In mm as per BWG | Gauge No. | In mm as per SWG | In mm as per BWG |
|---|---|---|---|---|---|
| 1 | 7.62 | 7.62 | 14 | 2.032 | 2.108 |
| 3 | 6.401 | 6.578 | 16 | 1.626 | 1.651 |
| 5 | 5.385 | 5.588 | 18 | 1.219 | 1.244 |
| 7 | 4.47 | 4.572 | 20 | 0.914 | 0.889 |
| 9 | 3.658 | 3.759 | 22 | 0.711 | 0.711 |
| 11 | 2.946 | 3.048 | 24 | 0.559 | 0.559 |
