Metal Wire Gauge Chart Quickly to Know the Diameter

Metal wire is manufactured through a process called wire drawing, where metal rods or billets are pulled through a series of dies to reduce their diameter to the desired size. And the more drawing times, the smaller wire diameter.

For easy communication, workers call it as wire gauge such as 10# wire, 20# wire.

QIUSUO specializes in the production of metal woven wire mesh products.

The most commonly used wire Gauge is SWG , BWG , BG , AWG , and please notice that same gauge number of different standards, the wire diameter size not always same.

The following Metal Wire Gauge Chart is quickly for you know the diameter size in Millimeters and inches units.

Gauge	SWG		BWG		BG		AWG
Gauge	INCH	MM	INCH	MM	INCH	MM	INCH	MM
7/0	0.5	12.7	-	-	0.6666	16.932	-	-
6/0	0.464	11.786	-	-	0.625	15.875	0.58	14.732
5/0	0.432	10.973	0.5	12.7	0.5883	14.943	0.5165	13.119
4/0	0.4	10.16	0.454	11.532	0.5416	13.757	0.46	11.684
3/0	0.372	9.449	0.425	10.795	0.5	12.7	0.4096	10.404
2/0	0.348	8.839	0.38	9.625	0.4452	11.308	0.3648	9.266
0	0.324	8.23	0.34	8.639	0.3954	10.069	0.3249	8.252
1	0.3	7.62	0.03	7.62	0.3532	8.971	0.2893	7.348
2	0.276	7.01	0.284	7.214	0.3147	7.993	0.2576	6.544
3	0.252	6.401	0.259	6.579	0.2804	7.122	0.2294	5.827
4	0.232	5.893	0.283	6.045	0.25	6.35	0.2043	5.189
5	0.212	5.385	0.22	5.588	0.2225	5.652	0.1819	4.621
6	0.192	4.877	0.203	5.156	0.1981	5.032	0.162	4.115
7	0.176	4.47	0.18	4.572	0.1764	4.481	0.1443	3.665
8	0.16	4.046	0.165	4.191	0.157	3.988	0.1285	3.264
9	0.144	3.658	0.148	3.759	0.1398	3.551	0.1144	2.906
10	0.128	3.215	0.134	3.404	0.125	3.175	0.1019	2.588
11	0.116	2.946	0.12	3.048	0.1113	2.827	0.0907	2.305
12	0.104	2.642	0.109	2.769	0.0991	2.517	0.0808	2.053
13	0.092	2.337	0.095	2.413	0.0882	2.24	0.072	1.828
14	0.08	2.032	0.083	2.108	0.0785	1.994	0.0641	1.628
15	0.072	1.829	0.072	1.829	0.0699	1.775	0.0571	1.45
16	0.064	1.626	0.065	1.651	0.0625	1.588	0.0508	1.291
17	0.056	1.422	0.058	1.473	0.0556	1.412	0.0453	1.15
18	0.048	1.219	0.049	1.245	0.0495	1.257	0.0403	1.024
19	0.04	1.016	0.042	1.067	0.044	1.118	0.0359	0.912
20	0.036	0.914	0.035	0.839	0.0392	0.996	0.032	0.812
21	0.032	0.813	0.032	0.831	0.349	0.887	0.0285	0.723
22	0.028	0.711	0.028	0.711	0.03125	0.749	0.02535	0.644
23	0.024	0.61	0.025	0.635	0.02782	0.707	0.02256	0.573
24	0.022	0.559	0.022	0.559	0.02476	0.629	0.02011	0.511
25	0.02	0.508	0.02	0.508	0.02204	0.56	0.01791	0.455
26	0.018	0.457	0.018	0.457	0.01961	0.498	0.01594	0.405
27	0.0164	0.417	0.016	0.406	0.01745	0.443	0.0142	0.361
28	0.0148	0.376	0.014	0.356	0.01562	0.397	0.01264	0.321
29	0.0136	0.345	0.013	0.33	0.0139	0.353	0.01126	0.286
30	0.0124	0.315	0.012	0.305	0.0123	0.312	0.01003	0.255
31	0.0116	0.295	0.01	0.254	0.011	0.27	0.00893	0.227
32	0.0108	0.274	0.009	0.229	0.0098	0.249	0.00795	0.202
33	0.01	0.254	0.008	0.203	0.0087	0.221	0.00708	0.18
34	0.0092	0.234	0.007	0.178	0.0077	0.196	0.0063	0.16
35	0.0084	0.213	0.005	0.127	0.0069	0.175	0.00561	0.143
36	0.0076	0.193	0.004	0.102	0.0061	0.155	0.005	0.127
37	0.0068	0.173	-	-	0.0054	0.137	0.00445	0.113
38	0.006	0.152	-	-	0.0048	0.122	0.00396	0.101
40	0.0048	0.122	-	-	0.00386	0.098	0.00314	0.08
41	0.0044	0.112	-	-	0.00343	0.087	0.0028	0.071
42	0.004	0.102	-	-	0.00306	0.078	0.00249	0.063
43	0.0036	0.091	-	-	0.00272	0.069	0.00222	0.056
44	0.0032	0.081	-	-	0.00242	0.061	0.00198	0.05
45	0.0028	0.071	-	-	0.00215	0.055	0.00176	0.048
46	0.0024	0.061	-	-	0.00192	0.049	0.00157	0.04
47	0.002	0.051	-	-	0.0017	0.043	0.0014	0.035
48	0.0016	0.041	-	-	0.00152	0.039	0.00124	0.032
49	0.0012	0.03	-	-	0.00135	0.034	0.00111	0.028
50	0.001	0.025	-	-	0.0012	0.03	0.00099	0.025

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