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Metric to AWG Wire Size Table (Date: 2014-01-03)

Below table provided the closest equivalent size between metric and American wire sizes. For Europe, the wire sizes are expressed in cross sectional area which in unit mm² , as well as the number of strands of wires of a diameter which in unit of mm. For example, 7/0.08 means 7 strands of wire each 0.08 diameter and the cross sectional area is 0.032mm². For America, the wire sizes are expressed in AWG numbering as below table, which AWG are applied not only to individual strands but also to its equivalent size bunches of smaller strands. For example, the 32 AWG could be 1 of 0,2mm diameter strand or 7 of 0.08 diameter strands, which both are equivalents.

Cross Sectional area(mm²) Cross sectional area AWG Metric stranding (strand diameter unit in mm) AWG stranding (strand unit in AWG) Approx. conductor resistance (ohms/km)
0.032 32 1/0.2, 7/0.08 1/32, 7/40. 19/44 578
0.051 30 1/0.25, 7/0.1 1/30, 7/38, 19/42 350
0.081 28 1/0.315, 7/0.125 1/28, 7/36, 19/40 232
0.128 26 1/0.4, 7/0.15, 19/0.1 1/26, 7/34, 19/38 146
0.163 25 14/0.12 1/25 110
0.22 24 1/0.5, 7/0.2, 19/0.12, 32/0.1 1/24, 7/32, 19/36 76.4
0.25 23 1/0.6, 14/0.15, 32/0.1 1/23 70.1
0.32 22 7/0.25, 19/0.15, 30/0.12 1/22, 7/30, 19/34 54.8
0.41 21 13/0.2, 55/0.1 14/36 44
0.52 20 16/0.2, 44/0.12 1/20, 7/28, 19/32 34.5
0.75 18 19/0.25, 24/0.2, 96/0.1 1/18, 19/30, 33/32 23
1.32 16 19/0.3 7/24, 19/29 14.7
2.08 14 28/0.3 19/27, 73/32 8.8
2.5 13 50/0.25, 140/0.15 35/28 6.8
4.0 11 56/0.3, 512/0.1   4.5



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