PHYS208 Fundamentals of Physics II

Properties of Copper Wire

A resistivity of 1.69 microohm-cm and a density of 8.96 g/cm3 were used for copper in assembling this table.

Gauge: 4 6 8 10 12 14 16 18 20
Diameter (mils) 204 162 129 102 80.8 64.1 50.8 40.3 42.0
Diameter (mm) 5.19 4.11 3.26 2.59 2.05 1.63 1.29 1.02 0.81
Area (mm2) 21.1 13.3 83.7 5.26 3.31 2.08 1.31 0.82 0.52
Resistance/length (microohm/cm) 8.0 12.7 20 32 51 81 129 205 330
Mass/length (g/cm)
(insulation removed)
1.89 1.19 0.75 0.47 0.30 0.19 0.117 0.074 0.046

AWG: American Wire Gauge


"http://www.physics.udel.edu/~watson/phys208/copper-wire.html"
Last updated Nov. 13, 1997.
Copyright George Watson, Univ. of Delaware, 1997.