AWG

Inches

mils

mm

mm²

40

.0031

3.1

.079

.0049

39

.0035

3.5

.089

.0062

38

.0040

4.0

.102

.0081

37

.0045

4.5

.114

.0103

36

.0050

5.0

.127

.0127

35

.0056

5.6

.142

.0159

34

.0063

6.3

.160

.0201

33

.0071

7.1

.180

.0255

32

.0080

8.0

.203

.0324

31

.0089

8.9

.226

.0401

30

.0100

10.0

.254

.0507

29

.0113

11.3

.287

.0649

28

.0126

12.6

.320

.0804

27

.0142

14.2

.361

.102

26

.0159

15.9

.404

.128

25

.0179

17.9

.455

.162

24

.0201

20.1

.511

.205

23

.0226

22.6

.574

.259

22

.0253

25.3

.643

.324

21

.0285

28.5

.724

.411

20

.0320

32.0

.813

.516

19

.0359

35.9

.912

.653

18

.0403

40.3

1.02

.821

17

.0453

45.3

1.15

1.04

16

.0508

50.8

1.29

1.31

15

.0571

57.1

1.45

1.65

14

.0641

64.1

1.63

2.08

13

.0720

72.0

1.83

2.63

12

.0808

80.8

2.05

3.31

11

.0907

90.7

2.30

4.17

10

.1019

101.9

2.588

5.26

9

.1144

114.4

2.906

6.63

8

.1285

128.5

3.264

8.37

7

.1443

144.3

3.655

10.55

6

.1620

162.0

4.115

13.30

5

.1819

181.9

4.620

16.77

4

.2043

204.3

5.189

21.15

3

.2294

229.4

5.827

26.7

2

.2576

257.6

6.543

33.6

1

.2893

289.3

7.348

42.4

1/0

.3249

324.9

8.252

53.5

2/0

.3648

364.8

9.266

67.4

3/0

.4096

409.6

10.40

85.0

4/0

.4600

460.0

11.68

107.2

Size

#Strands

Approx. O.D. Inches

mm²

250 MCM

427

.653

127.0

300 MCM

427

.716

152.0

350 MCM

427

.773

177.0

400 MCM

427

.826

203.0

500 MCM

427

.923

253.0

600 MCM

427

1.022

304.0

750 MCM

427

1.145

380.0