electric cable equivalents,

metric to American Wire Gauge

 

The American Wire Gauge describes the wire's diameter; the metric conductor sizes describe the nominal area of the cross section of the conductor. The actual cross-sectional areas depend in part upon the stranding of the cable.

A cable with the AWG value shown will have at least as much carrying capacity as the metric cable for which it is being substituted. In other words, values have always been rounded down. For that reason, do not use this table to find the metric equivalent to an AWG cable. For that, go here.

The table assumes substitution of an AWG-sized cable of the same type as the metric-sized cable. It cannot be used, for example, to find an AWG-sized aluminum cable to substitute for a copper metric cable. If the types are dissimilar, consult the cable manufacturer's literature to determine capacity.

Nominal Cross-sectional Area
in square millimeters
(the ISO standard)
Substitute this
American Wire Gauge
0.5 20
0.75 18
1.0 16
1.5 14
2.5 12
4 10 
6 9
10 7
16 5
25 3
35 1
50 0
70 3/0
95 4/0
120 250MCM
150 350MCM
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