Search

Search

Conversion tables

The U.S. units can be converted to the corresponding European/metric units using the conversion tables listed.

NOTE

No liability assumed for completeness or accuracy

No liability can be assumed for the completeness or accuracy of the values listed in this section of the manual.

Conversion of North American cross section dimensions into metric cross section dimensions

Metric cross-sections in accordance with VDE (Verband Deutscher Elektroingenieure (Association of German Electrical Engineers)) (mm2) ↔ conductor cross-sections in accordance with AWG (American Wire Gauge) or kcmil (Thousand Circular Mils)

AWG ↔ mm2 conversion table

AWG / kcmil

Diameter
d/mm

mm2

Metric equivalent [mm2]

AWG

20

0.81 1)

0.52

0.75

18

1.02 1)

0.82

1

16

1.29 1)

1.3

1.5

14

1.63 1)

2.08

2.5

12

2.05 1)

3.31

4

10

2.59 1)

5.26

6

8

3.26 1)

8.4

10

6

4.12 1)

13.3

16

4

5.19 1)

21.2

25

2

6.54 1)

33.6

35

1

7.34 1)

42.4

50

1 / 0

8.25 1)

53.5

2 / 0

9.27 1)

67.4

70

3 / 0

10.4 1)

85.0

95

4 / 0

11.68 1)

107

120

1) Diameters over Solid Conductors and Cross-Sectional Area for All Solid and Stranded Conductors
Source: Standard UL 83

kcmil ↔ mm2 conversion table

AWG / kcmil

Diameter
d/mm

mm2

kcmil

250

14.6 1)

126

300

16 1)

152

350

17.3 1)

177

400

18.49 1)

203

500

20.65 1)

253

600

22.68 1)

304

800

26.16 1)

405

1000

29.26 1)

507

1500

35.86 1)

760

2000

41.45 1)

1010

1) Diameter over Round Concentric-Lay-Stranded Conductors for Classes B, C and D
Source: Standard UL83

Other conversions

Conversion factors for units of length

Length

Conversion factor

1 inch (")

25.4 millimeters (mm)

1 centimeter

0.3937 inches (")

Conversion factors for units of weight

Weight

Conversion factor

1 ounce (Oz.)

28.35 grams (g)

1 pound (lb.)

0.454 kilograms (kg)

1 kilogram (kg)

2.205 pounds (lb.)

Pound (lb.)

Conversion for units of temperature

Temperature

100 degrees Centigrade (°C)

212 degrees Fahrenheit (°C)

80 °C

176 °F

60 °C

140 °F

40 °C

104 °F

20 °C

68 °F

0 °C

32 °F

‑ 5 °C

23 °F

‑ 10 °C

14 °F

‑ 15 °C

5 °F

‑ 20 °C

‑ 4 °F

‑ 25 °C

‑ 13 °F

‑ 30 °C

‑ 22 °F

Conversion factors for tightening torques

Tightening torque

Conversion factor

1 Newton meter (Nm)

8.85 lbin, 8.85 lb‑in (inch-pound)

1.36 Newton meter (Nm)

1 lbF ft, 1 lb‑ft (food-pound)

0.113 Newton meter (Nm)

1 lbF in, 1 lb‑in (inch‑pound); 1 / 12 lb‑ft