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Standard Wire Gauges

	Thickness or dia.	Birmingham Gauge	Weight kg/m2
Gauge No.	mm	sheet thickness in mm	Steel	Stainless	Copper	Alum	Lead
7/0	12.700		99.60	100.10	113.50	34.40	145.00
6/0	11.786		92.40	92.90	105.30	31.90	N/A
5/0	10.973		86.10	86.50	98.10	29.70	127.00
4/0	10.160		79.70	80.10	90.80	27.50	N/A
3/0	9.449		74.10	74.50	84.50	25.60	109.00
2/0	8.839		69.30	69.70	79.00	23.90	90.50
1/0	8.230		64.50	64.90	73.60	22.30	N/A
1	7.620		59.80	60.10	68.10	20.60
2	7.010		55.00	55.30	63.70	19.00
3	6.401		50.20	50.50	57.20	17.30	72.40
4	5.893		46.20	46.40	52.70	16.00
5	5.385		42.20	42.40	48.10	14.60
6	4.877		38.30	38.40	43.60	13.20	54.30
7	4.470		35.10	35.20	40.00	12.10	48.80
8	4.064	4.0	31.90	32.00	36.30	11.00
9	3.658	3.5	28.70	28.80	32.70	9.90
10	3.251	3.0	25.50	25.60	29.10	8.80	36.20
11	2.946	2.8	23.10	23.20	26.30	7.98	34.20
12	2.642	2.5	20.70	20.80	23.60	7.15	29.30
13	2.337	2.2	18.30	18.40	20.90	6.33	27.20
14	2.032	2.0	15.90	16.00	18.20	5.50	24.40
15	1.829	1.8	14.30	14.40	16.30	4.95	22.00
16	1.626	1.6	12.70	12.80	14.50	4.40	18.10
17	1.422	1.4	11.20	11.20	12.70	3.85	17.10
18	1.219	1.2	9.56	9.61	10.90	3.39	14.70
19	1.016	1.1	7.97	8.01	9.08	2.75	12.20
20	0.914	1.0	7.17	7.21	8.17	2.47	9.05
21	0.813	0.90	6.37	6.41	7.27	2.20
22	0.711	0.80	5.58	5.61	6.35	1.92
23	0.610	0.70	4.78	4.80	5.45	1.65
24	0.559	0.60	4.38	4.40	5.00	1.51
25	0.508	0.55	3.98	4.00	4.54	1.38
26	0.457	0.50	3.59	3.60	4.08	1.24
27	0.417	0.45	2.95	2.96	3.36	1.02	4.27
28	0.376	0.40
29	0.345	0.35
30	0.315	0.30
31	0.295	0.28
32	0.274	0.25
33	0.254
34	0.234
35	0.213
36	0.193
37	0.173
38	0.152
39	0.132
40	0.122
41	0.112
42	0.102
43	0.0914
44	0.0813
45	0.0711
46	0.0610
47	0.0508
48	0.0406
49	0.0305
50	0.0254