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Wire Gauge Chart
- Aluminum wire, brass wire, copper wire and craft wire stocked by Brandywine Jewelry Supply uses the AWG (American Wire Gauge) standard size measurements.
- Wire can also be measured using the British Imperial Standard Wire Gauge (SWG) system, but the gauge sizes are not the same as the American Wire Gauge system measurements. (SWG measurements are quite a bit larger than the AWG system for the same wire gauge number.)
- Please note that there may be slight variations from batch to batch in the finished diameters of all milled wire products. The numbers shown in the wire gauge chart below are approximate.
Wire Gauge |
Diameter (inches) |
Diameter (mm) |
| 12 |
.080 |
2.052 |
| 14 |
.064 |
1.628 |
| 16 |
.050 |
1.291 |
| 18 |
.040 |
1.024 |
| 20 |
.032 |
0.812 |
| 21 |
.028 |
0.724 |
| 22 |
.025 |
0.642 |
| 24 |
.020 |
0.510 |
| 26 |
.016 |
0.404 |
| 28 |
.012 |
0.320 |
| 30 |
.010 |
0.254 |
| 32 |
.008 |
0.203 |