Wire Gauge Tables  
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EQUIP INDEX

 

Metric to AWG
mm2 Diam. mm AWG
0.5 0.8 20
0.8 1.0 18
1.0 1.3 16
2.0 1.6 14
3.0 2.1 12
5.0 2.6 10
8.0 3.3 8
13.0 4.8 6
19.0 5.2 4
32.0 6.5 2
52.0 8.3 0

Note: These tables have been converted from Imperial dimensions and are approximate.

Wire Gauge Selection Table - 12 volts
Amps Wire Gauge for circuit length in metres
  1m 1.5m 2m 3m 5m 6m 8m
0 to 5 18 18 18 18 18 18 18
6 18 18 18 18 18 18 16
7 18 18 18 18 18 18 16
8 18 18 18 18 18 16 16
10 18 18 18 18 16 16 16
11 18 18 18 18 16 16 14
12 18 18 18 18 16 16 14
15 18 18 18 18 14 14 12
18 18 18 16 16 14 14 12
20 18 18 16 16 14 12 10
22 18 18 16 16 12 12 10
24 18 18 16 16 12 12 10
30 18 16 16 14 10 10 10
40 18 16 14 12 10 10 8
50 16 14 12 12 10 10 8
100 12 12 10 10 6 6 4
150 10 10 8 8 4 4 2
200 10 8 8 6 4 4 2

18AWG not recommended for mobile use.