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                                         American Wire Gauge Table and AWG Electrical Current Load Limits

AWG gauge

Diameter Inches

Diameter mm

Ohms per 1000 ft

Maximum amps for chassis wiring

1

0.2893

7.34822

0.1239

211

2

0.2576

6.54304

0.1563

181

3

0.2294

5.82676

0.197

158

4

0.2043

5.18922

0.2485

135

5

0.1819

4.62026

0.3133

118

6

0.162

4.1148

0.3951

101

7

0.1443

3.66522

0.4982

89

8

0.1285

3.2639

0.6282

73

9

0.1144

2.90576

0.7921

64

10

0.1019

2.58826

0.9989

55

11

0.0907

2.30378

1.26

47

12

0.0808

2.05232

1.588

41

13

0.072

1.8288

2.003

35

14

0.0641

1.62814

2.525

32

15

0.0571

1.45034

3.184

28

16

0.0508

1.29032

4.016

22

17

0.0453

1.15062

5.064

19

18

0.0403

1.02362

6.385

16

19

0.0359

0.91186

8.051

14

20

0.032

0.8128

10.15

11

  AWG gauge

  Diameter Inches

  Diameter mm

Ohms per 1000 ft

  Maximum amps for chassis wiring

21

0.0285

0.7239

12.8

9

22

0.0254

0.64516

16.14

7

23

0.0226

0.57404

20.36

4.7

24

0.0201

0.51054

25.67

3.5

25

0.0179

0.45466

32.37

2.7

26

0.0159

0.40386

40.81

2.2

27

0.0142

0.36068

51.47

1.7

28

0.0126

0.32004

64.9

1.4

29

0.0113

0.28702

81.83

1.2

30

0.01

0.254

103.2

0.86

31

0.0089

0.22606

130.1

0.7

32

0.008

0.2032

164.1

0.53

33

0.0071

0.18034

206.9

0.43

34

0.0063

0.16002

260.9

0.33

35

0.0056

0.14224

329

0.27

36

0.005

0.127

414.8

0.21

37

0.0045

0.1143

523.1

0.17

38

0.004

0.1016

659.6

0.13

39

0.0035

0.0889

831.8

0.11

40

0.0031

0.07874

1049

0.09

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