Please see our chart below if you need to convert any metric sizes or imperial sizes or vice versa.
| 1 | Gauge | = | 1 | Swg | = | 0.300” | or | 7.620mm |
| 2 | Gauge | = | 2 | Swg | = | 0.276” | or | 7.010mm |
| 3 | Gauge | = | 3 | Swg | = | 0.252” | or | 6.401mm |
| 4 | Gauge | = | 4 | Swg | = | 0.232” | or | 5.893mm |
| 5 | Gauge | = | 5 | Swg | = | 0.212” | or | 5.385mm |
| 6 | Gauge | = | 6 | Swg | = | 0.192” | or | 4.877mm |
| 7 | Gauge | = | 7 | Swg | = | 0.176” | or | 4.470mm |
| 8 | Gauge | = | 8 | Swg | = | 0.160” | or | 4.064mm |
| 9 | Gauge | = | 9 | Swg | = | 0.144” | or | 3.658mm |
| 10 | Gauge | = | 10 | Swg | = | 0.128” | or | 3.251mm |
| 11 | Gauge | = | 11 | Swg | = | 0.116” | or | 2.946mm |
| 12 | Gauge | = | 12 | Swg | = | 0.104” | or | 2.642mm |
| 13 | Gauge | = | 13 | Swg | = | 0.092” | or | 2.337mm |
| 14 | Gauge | = | 14 | Swg | = | 0.080” | or | 2.032mm |
| 15 | Gauge | = | 15 | Swg | = | 0.072” | or | 1.829mm |
| 16 | Gauge | = | 16 | Swg | = | 0.064” | or | 1.626mm |
| 17 | Gauge | = | 17 | Swg | = | 0.056” | or | 1.422mm |
| 18 | Gauge | = | 18 | Swg | = | 0.048” | or | 1.219mm |
| 19 | Gauge | = | 19 | Swg | = | 0.040” | or | 1.016mm |
| 20 | Gauge | = | 20 | Swg | = | 0.036” | or | 0.914mm |
| 21 | Gauge | = | 21 | Swg | = | 0.032” | or | 0.813mm |
| 22 | Gauge | = | 22 | Swg | = | 0.028” | or | 0.711mm |
| 23 | Gauge | = | 23 | Swg | = | 0.024” | or | 0.610mm |
| 24 | Gauge | = | 24 | Swg | = | 0.022” | or | 0.559mm |
| 25 | Gauge | = | 25 | Swg | = | 0.020” | or | 0.508mm |
| 26 | Gauge | = | 26 | Swg | = | 0.018” | or | 0.457mm |
| 27 | Gauge | = | 27 | Swg | = | 0.0164” | or | 0.417mm |
| 28 | Gauge | = | 28 | Swg | = | 0.0148” | or | 0.376mm |
| 29 | Gauge | = | 29 | Swg | = | 0.0136” | or | 0.345mm |
| 30 | Gauge | = | 30 | Swg | = | 0.0124” | or | 0.315mm |