Gauge Sizes Chart - SWG BWG ASWG WG BW

Gauge Sizes Chart – SWG BWG ASWG WG BW

S.W.G British Imperial Standard Wire Gauge Size
B.W.G Birmingham Wire Gauge Size
B.＆ S. Brown and Sharpe Wire Gauge Size
A.S.W.G American Standard Wire Gauge Size: W.＆ M.
J.de P. Paris Wire Gauge Size
W.G. Westphalia Wire Gauge Size
B.G. Standard Birmingham Sheet and Hoop Gauge Size
U.S.S. U.S. Standard for Sheet and Plate Iron and Steel Gauge Size

Gauge Size	S.W.G.	B.W.G.	B.＆ S.	A.S.	A.S.	J.de P.	W.G.	B.G.	U.S.S.
No.	mm	mm	mm	W.G.	W.G.	mm	mm	mm	mm
				mm	inch
0	12.699			12.45	0.49				12.7
0	11.785		14.73	11.72	0.4615	(PI)100	0.6		11.906
0	10.972	12.7	13.12	10.93	0.4305	(P)500	0.68	12.7	11.113
0	10.159	11.532	11.68	10	0.3938	600	0.76	11.303	10.319
0	9.449	10.795	10.4	9.208	0.3625	700	0.8	10.069	9.525
0	8.839	9.652	9.266	8.407	0.331	800	0.88	8.971	8.732
0	8.230	8.636	8.255	7.785	0.3065	900	1	7.993	7.938
1	7.62	7.62	7.348	7.188	0.283	1	1.12	7.122	7.144
2	7.01	7.213	6.543	6.688	0.2625	1.1	1.2	6.35	6.747
3	6.401	6.579	5.827	6.19	0.2437	1.2	1.3	5.652	6.35
4	5.893	6.045	5.189	5.723	0.2253	1.3	1.4	5.032	5.953
5	5.385	5.588	4.62	5.258	0.207	1.4	1.56	4.481	5.556
6	4.877	5.156	4.115	4.877	0.192	1.5	1.66	3.988	5.159
7	4.470	4.572	3.665	4.496	0.177	1.6	1.84	3.551	4.763
8	4.064	4.191	3.264	4.115	0.162	1.8	2.04	3.175	4.366
9	3.658	3.759	2.906	3.767	0.1483	2	2.2	2.827	3.969
10	3.251	3.404	2.588	3.429	0.135	2.2	2.4	2.517	9.572
11	2.946	3.048	2.304	3.061	0.1205	2.4	2.6	2.24	2.175
12	2.642	2.769	2.052	2.68	0.1055	2.7	3.92	1.994	2.778
13	2.337	2.413	1.826	2.324	0.0915	3	3.4	1.775	2.381
14	2.032	2.108	1.628	2.032	0.08	3.4	3.84	1.588	1.984
15	1.829	1.829	1.45	1.829	0.072	3.9	4.2	1.412	1.786
16	1.626	1.651	1.29	1.583	0.0625	4.4	4.65	1.257	1.588
17	1.422	1.473	1.151	1.372	0.054	4.9	5.45	1.118	1.429
18	1.219	1.245	1.024	1.207	0.0475	5.4	5.96	0.9956	1.27
19	1.016	1.067	0.9116	1.041	0.041	5.9	7	0.8865	1.111
20	0.9144	0.8884	0.8128	0.8839	0.0348	6.4	7.6	0.7938	0.9525
21	0.8128	0.8128	0.7239	0.8052	0.0318	7	8.8	0.7077	0.8731
22	0.7112	0.7109	0.6426	0.7264	0.0286	7.6	9.4	0.6289	0.7938
23	0.6096	0.6347	0.574	0.6553	0.0258	8.2	10	0.5598	0.7114
24	0.5588	0.5585	0.5105	0.5862	0.023	8.8		0.4981	0.635
25	0.508	0.5078	0.4547	0.5182	0.0204	9.4		0.4432	0.5556
26	0.457	0.457	0.4039	0.4597	0.0181	10		0.3969	0.4763
27	0.417	0.4062	0.3607	0.4394	0.0173			0.3531	0.4366
28	0.376	0.3555	0.32	0.4115	0.0162			0.3124	0.3969
29	0.345	0.330	0.2875	0.381	0.015			0.2794	0.3572
30	0.315	0.305	0.254	0.3556	0.014			0.2489	0.3175
31	0.295	0.2539	0.2268	0.3353	0.0132			0.221	0.2778
32	0.274	0.2286	0.2019	0.3251	0.0122			0.1956	0.258
33	0.254	0.2031	0.1798	0.2997	0.0118			0.1753	0.2381
34	0.234	0.1777	0.16	0.2642	0.0104			0.1579	0.2183
35	0.213	0.1269	0.1425	0.2413	0.1195			0.1372	0.1984
36	0.193	0.102	0.127	0.2286	0.009			0.1219	0.1786
37	0.172		0.1112	0.2159	0.0085				0.1687
38	0.152		0.1006	0.2032	0.008				0.1588
39	0.132		0.0897	0.1905	0.0075
40	0.122		0.0897	0.1778	0.007

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