| O.D. | BWG | Wall | I.D. |
| 3/8" | 14 Ga. | .083" | .209" |
| 3/8" | 15 Ga. | .072" | .231" |
| 3/8" | 16 Ga. | .065" | .245" |
| 3/8" | 17 Ga. | .058" | .259" |
| 3/8" | 18 Ga. | .049" | .277" |
| 3/8" | 19 Ga. | .042" | .291" |
| 3/8" | 20 Ga. | .035" | .305" |
| 3/8" | 21 Ga. | .032" | .311" |
| 3/8" | 22 Ga. | .028" | .319" |
| 3/8" | 23 Ga. | .025" | .325" |
| 3/8" | 24 Ga. | .022" | .456" |
|
| O.D. | BWG | Wall | I.D. |
| 1/2" | 13 Ga. | .095" | .310" |
| 1/2" | 14 Ga. | .083" | .334" |
| 1/2" | 15 Ga. | .072" | .356" |
| 1/2" | 16 Ga. | .065" | .370" |
| 1/2" | 17 Ga. | .058" | .384" |
| 1/2" | 18 Ga. | .049" | .402" |
| 1/2" | 19 Ga. | .042" | .416" |
| 1/2" | 20 Ga. | .035" | .430" |
| 1/2" | 21 Ga. | .032" | .436" |
| 1/2" | 22 Ga. | .028" | .444" |
| 1/2" | 23 Ga. | ..025" | .450" |
|
| O.D. | BWG | Wall | I.D. |
| 5/8" | 12 Ga. | .109" | .407" |
| 5/8" | 13 Ga. | .095" | .435" |
| 5/8" | 14 Ga. | .083" | .459" |
| 5/8" | 15 Ga. | .072" | .481" |
| 5/8" | 16 Ga. | .065" | .495" |
| 5/8" | 17 Ga. | .058" | .509" |
| 5/8" | 18 Ga. | .049" | .527" |
| 5/8" | 19 Ga. | .042" | .541" |
| 5/8" | 20 Ga. | .035" | .555" |
| 5/8" | 21 Ga. | .032" | .561" |
| 5/8" | 22 Ga. | .028" | .575" |
|
| O.D. | BWG | Wall | I.D. |
| 3/4" | 11 Ga. | .120" | .510" |
| 3/4" | 12 Ga. | .109" | .532" |
| 3/4" | 13 Ga. | .095" | .560" |
| 3/4" | 14 Ga. | .083" | .584" |
| 3/4" | 15 Ga. | .072" | .606" |
| 3/4" | 16 Ga. | .065" | .620" |
| 3/4" | 17 Ga. | .058" | .634" |
| 3/4" | 18 Ga. | .049" | .652" |
| 3/4" | 19 Ga. | .042" | .666" |
| 3/4" | 20 Ga. | .035" | .680" |
| 3/4" | 21 Ga. | .032" | .686" |
|