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Theoretical Weights of Copper Rods and Bars for
Imperial Standard Wire Gauges

(Imperial Sizes)
I.S.W.G. Decimal Equivalent
(in.)		 Millimetre Equivalent
(mm)		 Kilogrammes per 100 Metre Length
(kg/100m)		 Kilogrammes per 100 Foot Length
(kg/100ft)		 Pounds per 100 Foot Length
(lb/ft)
3/0 0.372 9.449 62.69 19.11 42.12
2/0 0.348 8.839 54.86 16.72 36.86
0 0.324 8.229 47.55 14.49 31.95
1 0.300 7.621 40.77 12.43 27.40
2 0.276 7.010 34.51 10.52 23.19
3 0.252 6.401 28.77 8.77 19.33
4 0.232 5.893 24.38 7.43 16.38
5 0.212 5.385 20.36 6.21 13.68
6 0.192 4.877 16.70 5.09 11.22
7 0.176 4.470 14.03 4.28 9.43
8 0.160 4.064 11.60 3.53 7.79
9 0.144 3.658 9.39 2.86 6.31
10 0.128 3.251 7.42 2.26 4.99
11 0.116 2.946 6.10 1.86 4.10
12 0.104 2.642 4.90 1.49 3.29
13 0.092 2.337 3.83 1.17 2.58
14 0.080 2.032 2.90 0.884 1.95
15 0.072 1.829 2.35 0.716 1.58
16 0.064 1.626 1.86 0.566 1.25
17 0.056 1.422 1.42 0.433 0.95