Tubing Wall GaugesBirmingham Wire Gauge (BWG) Equivalent
| Gauge |
Inches |
Gauge |
Inches |
| OOOO |
.454 |
13 |
.095 |
| OOO |
.425 |
14 |
.083 |
| OO |
.380 |
15 |
.072 |
| O |
.340 |
16 |
.065 |
| 1 |
.300 |
17 |
.058 |
| 2 |
.284 |
18 |
.049 |
| 3 |
.259 |
19 |
.042 |
| 4 |
.238 |
20 |
.035 |
| 5 |
.220 |
21 |
.032 |
| 6 |
.203 |
22 |
.028 |
| 7 |
.180 |
23 |
.025 |
| 8 |
.165 |
24 |
.022 |
| 9 |
.148 |
25 |
.02 |
| 10 |
.134 |
26 |
.018 |
| 11 |
.120 |
27 |
.016 |
| 12 |
.109 |
28 |
.014 |
|