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Wire Gauge Chart

  • 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 Chart (AWG)

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