Square mm

Square Inches

Circular mils

AWG

1000

975

950

1.550

1.511

1.472

1974000

1924700

1875300

925

900

875

1.434

1.395

1.356

1826000

1776600

1727300

850

825

800

1.317

1.279

1.240

1677900

1628600

1579200

775

750

725

1.201

1.163

1.124

1529900

1480500

1431200

700

675

650

1.085

1.046

1.008

1381800

1332500

1283100

625

600

575

0.969

0.930

0.891

1233800

1184400

1135100

550

525

500

0.853

0.814

0.775

1085700

1036400

987000

475

450

425

0.736

0.698

0.659

937700

888300

839000

400

375

350

0.620

0.581

0.542

789600

740300

690900

325

300

275

0.504

0.465

0.426

641600

592200

542900

250

225

200

0.388

0.349

0.310

493500

444200

394800

175

150

125

0.271

0.233

0.1938

345500

296100

246800

-

100

95

-

0.1550

0.1472

211600

197400

187530

4/0

90

-

85

0.1395

-

0.1317

177660

167800

167790

3/0

80

75

70

0.1240

0.1163

0.1085

157920

148050

138180

-

65

60

-

0.1008

0.0930

133100

128310

118440

2/0

55

-

50

0.0853

-

0.0775

108570

105600

98700

1/0

45

-

40

0.0698

-

0.0620

88830

83690

78960

1

35

-

30

0.0542

-

0.0465

69090

66360

59220

2

-

25

-

-

0.0388

-

52620

49350

41740

3

4

20

19.5

19.0

0.0310

0.0302

0.0294

39480

38490

37510

18.5

18.0

17.5

0.0287

0.0279

0.0271

36520

35530

34550

17.0

-

16.5

0.0264

-

0.0256

33560

33090

32560

5

16.0

15.5

15.0

0.0248

0.0240

0.0233

31580

30600

29610

14.5

14.0

13.5

0.0225

0.0217

0.0209

28620

27640

26650

-

13.0

12.5

-

0.0201

0.0194

26240

25660

24680

6

12.0

11.5

11.0

0.0186

0.0178

0.0171

23690

22700

21710

-

10.5

10.0

-

0.0163

0.0155

20820

20730

19740

7

9.5

9.0

8.5

0.01472

0.01395

0.01317

18753

17766

16779

-

8.0

7.5

-

0.01240

0.01163

16510

15792

14805

8

7.0

-

6.5

0.01085

-

0.01008

13818

13090

12831

9

6.0

5.5

-

0.00930

0.00853

-

11844

10857

10380

10

5.0

4.75

4.5

0.00775

0.00736

0.00698

9870

9377

8883

4.25

-

4.0

0.00659

-

0.00620

8390

8230

7896

11

3.75

3.50

-

0.00581

0.00542

-

7403

6909

6530

12

3.25

3.0

2.75

0.00504

0.00465

0.00426

6416

5922

5429

-

2.50

2.25

-

0.00388

0.00349

5180

4935

4442

13

-

2.0

1.75

-

0.00310

0.00271

4110

3948

3455

14

-

1.50

-

-

0.00233

-

3260

2961

2580

15

16

1.25

-

1.0

0.00194

-

0.00155

2468

2050

1974

17

0.9

-

0.8

0.00140

-

0.00124

1777

1620

1579

18

0.75

0.7

-

0.00116

0.00109

-

1481

1382

1290

19

0.6

-

0.5

0.00093

-

0.000775

1184

1029

987

20