Wire Gauge Table (1" = 25.4mm)

Note: These figures are for solid wire. Reduce these figures by about 15% for stranded wire.

AWG^*	diameter mm	area mm²	Amps for 450A/cm²	ohms/km at 20C amb
0	8.252	53.49	240.7	0.322
2	6.543	33.62	151.3	0.513
4	5.189	21.15	95.18	0.815
6	4.115	13.30	59.85	1.30
8	3.264	8.367	37.65	2.10
10	2.588	5.261	23.67	3.30
12	2.05	3.310	14.89	5.25
14	1.63	2.081	9.365	8.34
16	1.29	1.3088	5.890	13.2
18	1.02	0.8231	3.704	20.9
20	0.81	0.5176	2.329	33.3
22	0.64	0.3255	1.465	53.0
24	0.51	0.2047	0.921	84.2
26	0.40	0.1287	0.579	133.9
28	0.32	0.0810	0.364	213
30	0.25	0.0509	0.229	339
32	0.20	0.0320	0.144	539
34	0.16	0.0201	0.091	856
36	0.13	0.0127	0.057	1361
38	0.10	0.0080	0.036	2164
40	0.08	0.0050	0.023	3340

^*AWG=American Wire Gauge, a wire thickness unit and system of measurement.