Properties of standard copper wire
Gauge, |
Feet per Ohm |
Ohm per 1000 ft |
Diameter, |
Area, |
Weight, |
||
at 77°F |
at 149°F |
at 77°F |
at 149°F |
||||
0000 |
20000 |
17544 |
0.050 |
0.057 |
460 |
212000 |
641.0 |
000 |
15873 |
13899 |
0.063 |
0.073 |
410 |
168000 |
508.0 |
00 |
12658 |
10870 |
0.079 |
0.092 |
365 |
133000 |
403.0 |
0 |
10000 |
8621 |
0.100 |
0.116 |
325 |
106000 |
319.0 |
1 |
7936 |
6849 |
0.126 |
0.146 |
289 |
83700 |
253.0 |
2 |
6289 |
5435 |
0.159 |
0.184 |
258 |
66400 |
201.0 |
3 |
4975 |
4310 |
0.201 |
0.232 |
229 |
52600 |
159.0 |
4 |
3953 |
3425 |
0.253 |
0.292 |
204 |
41700 |
126.0 |
5 |
3135 |
2710 |
0.319 |
0.369 |
182 |
33100 |
100.0 |
6 |
2481 |
2151 |
0.403 |
0.465 |
162 |
26300 |
79.5 |
7 |
1968 |
1706 |
0.508 |
0.586 |
144 |
20800 |
63.0 |
8 |
1560 |
1353 |
0.641 |
0.739 |
128 |
16500 |
50.0 |
9 |
1239 |
1073 |
0.808 |
0.932 |
114 |
13100 |
39.6 |
10 |
960.4 |
847.5 |
1.02 |
1.18 |
102 |
10400 |
31.4 |
11 |
781.3 |
675.7 |
1.28 |
1.48 |
91 |
8230 |
24.9 |
12 |
617.3 |
534.8 |
1.62 |
1.87 |
81 |
6530 |
19.8 |
13 |
490.2 |
423.7 |
2.04 |
2.36 |
72 |
5180 |
15.7 |
14 |
387.6 |
336.7 |
2.58 |
2.97 |
64 |
4110 |
12.4 |
15 |
307.7 |
266.7 |
3.25 |
3.75 |
57 |
3260 |
9.86 |
16 |
244.5 |
211.4 |
4.09 |
4.73 |
51 |
2560 |
7.82 |
Gauge, |
Feet per Ohm |
Ohm per 1000 ft |
Diameter, |
Area, |
Weight, |
||
at 77°F |
at 149°F |
at 77°F |
at 149°F |
||||
17 |
193.8 |
167.8 |
5.16 |
5.96 |
45 |
2050 |
6.20 |
18 |
153.6 |
133.2 |
6.51 |
7.51 |
40 |
1620 |
4.92 |
19 |
121.8 |
105.5 |
8.21 |
9.48 |
36 |
1290 |
3.90 |
20 |
96.2 |
84.0 |
10.4 |
11.9 |
32 |
1020 |
3.09 |
21 |
76.3 |
66.2 |
13.1 |
15.1 |
28.5 |
810 |
2.45 |
22 |
60.6 |
52.6 |
16.5 |
19.0 |
25.3 |
642 |
1.94 |
23 |
48.1 |
41.7 |
20.8 |
24.0 |
22.6 |
509 |
1.54 |
24 |
38.2 |
33.1 |
26.2 |
30.2 |
20.1 |
404 |
1.22 |
25 |
30.3 |
26.2 |
33.0 |
38.1 |
17.9 |
320 |
0.970 |
26 |
24.0 |
20.8 |
41.6 |
48.0 |
15.9 |
254 |
0.769 |
27 |
19.0 |
16.5 |
52.5 |
60.6 |
14.2 |
202 |
0.610 |
28 |
15.1 |
13.1 |
66.2 |
76.4 |
12.6 |
160 |
0.484 |
29 |
12.0 |
10.4 |
83.4 |
96.3 |
11.3 |
127 |
0.384 |
30 |
9.5 |
8.3 |
105 |
121 |
10.0 |
101 |
0.304 |
31 |
7.5 |
6.5 |
133 |
153 |
8.9 |
79.7 |
0.241 |
32 |
6.0 |
5.2 |
167 |
193 |
8.0 |
63.2 |
0.191 |
33 |
4.7 |
4.1 |
211 |
243 |
7.1 |
50.1 |
0.152 |
34 |
3.8 |
3.3 |
266 |
307 |
6.3 |
39.8 |
0.120 |
35 |
3.0 |
2.6 |
335 |
387 |
5.6 |
31.5 |
0.095 |
36 |
2.4 |
2.0 |
423 |
488 |
5.0 |
25.0 |
0.0757 |
Gauge, |
Feet per Ohm |
Ohm per 1000 ft |
Diameter, |
Area, |
Weight, |
||
at 77°F |
at 149°F |
at 77°F |
at 149°F |
||||
37 |
1.9 |
1.6 |
533 |
616 |
4.5 |
19.8 |
0.0600 |
38 |
1.5 |
1.3 |
673 |
776 |
4.0 |
15.7 |
0.0476 |
39 |
1.2 |
1.0 |
848 |
979 |
3.5 |
12.5 |
0.0377 |
40 |
0.93 |
0.81 |
1070 |
1230 |
3.1 |
9.9 |
0.0200 |