swg standard wire gauge, swg to mm, bwg to mm

Apr. 24 , 2024

Wire mesh is woven or welded from wire. Wire diameter is a premier factor in determining the wire mesh specification. There are normally fours ways to identify the wire diameters: BWG, SWG or by mm or by inch.

As the same gauge number in different countries refers to different wire diameters, t his results in the need for repeated confirmation to determine the wire diameter. So nowadays, we usually use wire diameter in mm or in inch instead of gauge number to specify our products.

The SWG (Standard Wire Gauge) and BWG (Birmingham Wire Gauge), are measurement standards used to determine the thickness or diameter of wires, including stainless steel wire, galvanized wire, iron wire, etc.

swg gauge chart, bwg gauge chart, and swg to mm, bwg to mm, swg and bwg to inch, comparisons table:

Wire Gauge	SWG Diameter		BWG Diameter
Wire Gauge	inches	mm	inches	mm
0	0.324	8.230	0.34	8.636
1	0.3	7.620	0.3	7.620
2	0.276	7.010	0.284	7.214
3	0.252	6.401	0.259	6.579
4	0.232	5.893	0.238	6.045
5	0.212	5.385	0.22	5.588
6	0.192	4.877	0.203	5.156
7	0.176	4.470	0.18	4.572
8	0.16	4.064	0.165	4.191
9	0.144	3.658	0.148	3.759
10	0.128	3.251	0.134	3.404
11	0.116	2.946	0.12	3.048
12	0.104	2.642	0.109	2.769
13	0.092	2.337	0.095	2.413
14	0.08	2.032	0.083	2.108
15	0.072	1.829	0.072	1.829
16	0.064	1.626	0.065	1.651
17	0.056	1.422	0.058	1.473
18	0.048	1.219	0.049	1.245
19	0.04	1.016	0.042	1.067
20	0.036	0.914	0.035	0.889
21	0.032	0.813	0.032	0.813
22	0.028	0.711	0.028	0.711
23	0.024	0.610	0.025	0.635
24	0.022	0.559	0.022	0.559
25	0.02	0.508	0.02	0.508
26	0.018	0.457	0.018	0.457
27	0.0164	0.417	0.016	0.406
28	0.0148	0.376	0.014	0.356
29	0.0136	0.345	0.013	0.330
30	0.0124	0.315	0.012	0.305
31	0.0116	0.295	0.01	0.254
32	0.0108	0.274	0.009	0.229
33	0.01	0.254	0.008	0.203
34	0.0092	0.234	0.007	0.178
35	0.0084	0.213	0.005	0.127
36	0.0076	0.193	0.004	0.102
37	0.0068	0.173	*	*
38	0.006	0.152	*	*
39	0.0052	0.132	*	*
40	0.0048	0.122	*	*
41	0.0044	0.112	*	*
42	0.004	0.102	*	*
43	0.0036	0.091	*	*
44	0.0032	0.081	*	*
45	0.0028	0.071	*	*
46	0.0024	0.061	*	*
47	0.002	0.051	*	*
48	0.0016	0.041	*	*
49	0.0012	0.031	*	*
50	0.001	0.025	*	*

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