Properties of standard copper wire

Gauge,
AWG

Feet per Ohm

Ohm per 1000 ft

Diameter,
mils

Area,
Circular mils

Weight,
lbs/1000 ft

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,
AWG

Feet per Ohm

Ohm per 1000 ft

Diameter,
mils

Area,
Circular mils

Weight,
lbs/1000 ft

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,
AWG

Feet per Ohm

Ohm per 1000 ft

Diameter,
mils

Area,
Circular mils

Weight,
lbs/1000 ft

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