Copper Wire

Gage, circular mils, electrical resistance and weight

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Gage	Circular mils	Electrical Resistance¹⁾ (Ohms/1000 ft)	Weight (lb/1000 ft)
0000	212000	0.0500	641
000	168000	0.0630	508
00	133000	0.0795	403
0	106000	0.100	319
1	83700	0.126	253
2	66400	0.159	201
3	52600	0.201	159
4	41700	0.253	126
5	33100	0.319	100
6	26300	0.403	79.5
7	20800	0.508	63.0
8	16500	0.641	50.0
9	13100	0.808	39.6
10	10400	1.02	31.4
11	8230	1.28	24.9
12	6530	1.62	19.8
13	5180	2.04	15.7
14	4110	2.58	12.4
15	3260	3.25	9.86
16	2580	4.09	7.82
17	2050	5.16	6.20
18	1620	6.51	4.92
19	1290	8.21	3.90
20	1020	10.4	3.09
21	810	13.1	2.45
22	642	16.5	1.94
23	509	20.8	1.54
24	404	26.2	1.22
25	320	33.0	0.970
26	254	41.6	0.769
27	202	52.5	0.610
28	160	66.2	0.484
29	127	83.4	0.384
30	101	105	0.304
31	79.7	133	0.241
32	63.2	167	0.191
33	50.1	211	0.152
34	39.8	266	0.120
35	31.6	335	0.095
36	25.0	423	0.076
37	19.8	533	0.060
38	15.7	673	0.048
39	12.5	848	0.038
40	9.9	1070	0.020

¹⁾electrical resistance at 77^oF

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