Wire Data SWG

SWG

SWG dia

Resistance

Copper CSA

inch

mm

mOhms/m

squ mm

1

0.3

7.62

0.368

45.604

2

0.276

7.0104

0.435

38.599

3

0.252

6.4008

0.522

32.178

4

0.232

5.8928

0.616

27.273

5

0.212

5.3848

0.738

22.773

6

0.192

4.8768

0.899

18.679

7

0.176

4.4704

1.07

15.696

8

0.16

4.064

1.295

12.972

9

0.144

3.6576

1.599

10.507

10

0.128

3.2512

2.023

8.302

11

0.116

2.9464

2.464

6.818

12

0.104

2.6416

3.065

5.481

13

0.092

2.3368

3.917

4.289

14

0.08

2.032

5.18

3.243

15

0.072

1.8288

6.395

2.627

16

0.064

1.6256

8.094

2.075

17

0.056

1.4224

10.571

1.589

18

0.048

1.2192

14.389

1.167

19

0.04

1.016

20.72

0.811

20

0.036

0.9144

25.58

0.657

21

0.032

0.8128

32.375

0.519

22

0.028

0.7112

42.286

0.397

23

0.024

0.6096

57.556

0.292

24

0.022

0.5588

68.496

0.245

25

0.02

0.508

82.88

0.203

26

0.018

0.4572

102.321

0.164

27

0.0164

0.4166

123.26

0.136

28

0.0148

0.3759

151.351

0.111

29

0.0136

0.3454

179.239

0.094

30

0.0124

0.315

215.609

0.078

31

0.0116

0.2946

246.373

0.068

32

0.0108

0.2743

284.225

0.059

33

0.01

0.254

331.52

0.051

34

0.0092

0.2337

391.682

0.043

35

0.0084

0.2134

469.841

0.036

36

0.0076

0.193

573.961

0.029

37

0.0068

0.1727

716.955

0.023

38

0.006

0.1524

920.888

0.018

39

0.0052

0.1321

1226.035

0.014

40

0.0048

0.1219

1438.888

0.012

41

0.0044

0.1118

1712.396

0.01

42

0.004

0.1016

2071.999

0.008

43

0.0036

0.0914

2558.023

0.007

44

0.0032

0.0813

3237.498

0.005

45

0.0028

0.0711

4228.569

0.004

46

0.0024

0.061

5755.552

0.003

47

0.002

0.0508

8287.995

0.002

48

0.0016

0.0406

12949.992

0.001

49

0.0012

0.0305

23022.209

0.001

50

0.001

0.0254

33151.981

0.001

WIRE TABLES SWG

Resistance compensation factors with temperature normalised to 20 Centigrade

0C

10C

20C

30C

40C

50C

60C

70C

80C

90C

100C

0.9214

0.9697

1

1.0393

1.079

1.1179

1.1572

1.1965

1.2358

1.2751

1.3144