Standard Imperial Stranding /wire Diameter

Inch² converted
to

Nearest Metric stranded size
 to

No. and Nominal diameter of wires in circular conductor

(inch)

(inch²)

(mm²)

(mm²)

(mm)

3/.029

0.0020

1.29

1.5

1/1.38

3/.036

0.0030

1.94

1.5

7/0.53

7/.029

0.0045

2.90

2.5

1/1.77

7/.036

0.0070

4.52

4

7/0.85

7/.044

0.010

6.45

6

7/1.04

7/.052

0.0145

9.35

10

7/1.35

7/.064

0.0225

14.52

16

7/1.70

19/.052

0.04

25.81

25

7/2.14

19/.064

0.06

38.71

35

7/2.52

19/.072

0.075

48.39

50

19/1.78

19/.083

0.10

64.52

70

19/2.14

37/.072

0.15

96.77

95

19/2.52

37/.083

0.20

129.0

120

37/2.03

37/.093

0.25

161.3

150

37/2.25

37/.103

0.30

193.6

185

37/2.52

61/.093

0.40

258.1

240

61/2.25

61/.103

0.50

322.6

300

61/2.52

91/.093

0.60

387.1

400

61/2.85

91/.103

0.75

483.9

500

61/3.20

127/.093

1.0

465.2

630

127/2.52

127/.112

1.25

806.4

800

127/2.85

127/.123

1.50

967.7

1000

127/3.20