Standard American Wire Gauge Data for Bare Copper

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AWG

Dia-mils

TPI

Dia-mm

Circ-mils

Ohms/Kft

Ft/Ohm

Ft/Lb

Ohms/Lb

Lb/Kft

NormAmps

MaxAmps

0

1

2

3

4

5

6

7

8

9

¡¡

10

11

12

13

14

15

16

17

18

19

¡¡

20

21

22

23

24

25

26

27

28

29

¡¡

30

31

32

33

34

35

36

37

38

39

¡¡

40

324.85

289.29

257.62

229.42

204.30

181.94

162.02

144.28

128.49

114.42

¡¡

101.900

90.741

80.807

71.961

64.083

57.067

50.820

45.257

40.302

35.890

¡¡

31.961

28.462

25.346

22.572

20.101

17.900

15.940

14.195

12.641

11.257

¡¡

10.025

8.9276

7.9503

7.0799

6.3048

5.6146

5.0000

4.4526

3.9652

3.5311

¡¡

3.1445

3.0783

3.4567

3.8817

4.3588

4.8947

5.4964

6.1721

6.9308

7.7828

8.7396

¡¡

9.8140

11.020

12.375

13.896

15.605

17.523

19.677

22.096

24.813

27.863

¡¡

31.288

35.134

39.453

44.304

49.750

55.866

62.733

70.445

79.105

88.830

¡¡

99.750

112.01

125.78

141.24

158.61

178.11

200.00

224.59

252.20

283.20

¡¡

318.01

8.2513

7.3480

6.5436

5.8272

5.1893

4.6212

4.1153

3.6648

3.2636

2.9063

¡¡

2.5881

2.3048

2.0525

1.8278

1.6277

1.4495

1.2908

1.1495

1.0237

0.9116

¡¡

0.8118

0.7229

0.6438

0.5733

0.5106

0.4547

0.4049

0.3606

0.3211

0.2859

¡¡

0.2546

0.2268

0.2019

0.1798

0.1601

0.1426

0.1270

0.1131

0.1007

0.0897

¡¡

0.0799

105531

83690

66369

52633

41740

33101

26251

20818

16509

13092

¡¡

10383

8233.9

6529.8

5178.3

4106.6

3256.7

2582.7

2048.2

1624.3

1288.1

¡¡

1021.5

810.10

642.44

509.48

404.03

320.41

254.10

201.51

159.80

126.73

¡¡

100.50

79.702

63.207

50.125

39.751

31.524

25.000

19.826

15.723

12.469

¡¡

9.8880

0.0983

0.1239

0.1563

0.1970

0.2485

0.3133

0.3951

0.4982

0.6282

0.7921

¡¡

0.9989

1.2596

1.5883

2.0028

2.5255

3.1845

4.0156

5.0636

6.3851

8.0514

¡¡

10.153

12.802

16.143

20.356

25.669

32.368

40.815

51.467

64.898

81.835

¡¡

103.19

130.12

164.08

206.90

260.90

328.99

414.85

523.11

659.63

831.78

¡¡

1048.9

10175

8069.5

6399.4

5075.0

4024.7

3191.7

2531.1

2007.3

1591.8

1262.4

¡¡

1001.1

793.93

629.61

499.31

395.97

314.02

249.03

197.49

156.62

124.20

¡¡

98.496

78.111

61.945

49.125

38.958

30.895

24.501

19.430

15.409

12.220

¡¡

9.6906

7.6850

6.0945

4.8332

3.8329

3.0396

2.4105

1.9116

1.5160

1.2022

¡¡

0.9534

3.1305

3.9475

4.9777

6.2767

7.9148

9.9804

12.585

15.869

20.011

25.233

¡¡

31.819

40.122

50.593

63.797

80.447

101.44

127.91

161.30

203.39

256.47

¡¡

323.41

407.81

514.23

648.44

817.66

1031.1

1300.1

1639.4

2067.3

2606.8

¡¡

3287.1

 4145.0

5226.7

6590.8

8310.8

10480

13215

16663

21012

26496

¡¡

33410

0.0003

0.0005

0.0008

0.0012

0.0020

0.0031

0.0050

0.0079

0.0126

0.0200

¡¡

0.0318

0.0505

0.0804

0.1278

0.2031

0.3260

0.5136

0.8167

1.2986

2.0648

¡¡

3.2832

5.2205

8.3009

13.199

20.987

33.371

53.061

84.371

134.15

213.31

¡¡

339.18

539.32

857.55

1363.6

2168.1

3447.5

5481.7

8716.2

13859

22037

¡¡

35040

319.44

253.33

200.90

159.32

126.35

100.20

79.460

63.014

49.973

39.630

¡¡

31.428

24.924

19.765

15.675

12.431

9.8579

7.8177

6.1997

4.9166

3.8991

¡¡

3.0921

2.4521

1.9446

1.5422

1.2230

0.9699

0.7692

0.6100

0.4837

0.3836

¡¡

0.3042

0.2413

0.1913

0.1517

0.1203

0.0954

0.0757

0.0600

0.0476

0.0377

¡¡

0.0299

211.06

167.38

132.74

105.27

83.480

66.203

52.501

41.635

33.018

26.185

¡¡

20.765

16.468

13.060

10.357

8.2132

6.5134

5.1654

4.0963

3.2485

2.5762

¡¡

2.0430

1.6202

1.2849

1.0190

0.8081

0.6408 

0.5082

0.4030

0.3196

0.2535

¡¡

0.2010

0.1594

0.1264

0.1003

0.0795

0.0630

0.0500

0.0397

0.0314

0.0249

¡¡

0.0198

240.67

190.86

151.36

120.03

95.190

75.489

59.866

47.476

37.650

29.858

¡¡

23.678

18.778

14.892

11.810

9.3654

7.4271

5.8900

4.6709

3.7042

2.9376

¡¡

2.3296

1.8475

1.4651

1.1619

0.9214

0.7307

0.5795

0.4596

0.3644

0.2890

¡¡

0.2292

0.1818

0.1441

0.1143

0.0907

0.0719

0.0570

0.0452

0.0359

0.0284

¡¡

0.0226

¡¡

AWG
Dia-mils
TPI
Dia-mm
Circ-mils
Ohms/Kft
Ft/Ohm
Ft/Lb
Ohms/Lb
Lb/Kft
NormAmps
MaxAmps

¡¡

 : American Wire Gauge size
 : Diameter in mils (1 mil = .001 inch)
 : Turns Per Inch (Ignoring thickness of unknown insulation)
 : Diameter in millimeters (For comparison with non-USA coilers)
 : Circular Mils. (circular mils = diameter in mils squared)
 : Ohms Per 1,000 Feet
 : Feet Per Ohm
 : Feet Per Pound
 : Ohms Per Pound
 : Pounds Per 1,000 Feet
 : Normal Average Amp Capacity based on 500 circular mils per Amp
 : Maximum recommended Average Amp Capacity in Open Air based on 438.489 circular mils per Amp

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