Sheet Metal Gauge Chart

Gauge #:	Sheet Metal Thickness	U.S. Standard	Music Wire	American or Browne & Sharpe
3	.2391	.2500	.012	.2294
4	.2242	.2343	.013	.2034
5	.2092	.2187	.014	.1819
6	.1943	.2031	.016	.1620
7	.1793	.1875	.018	.1443
8	.1644	.1718	.020	.1285
9	.1495	.1562	.022	.1144
10	.1345	.1406	.024	.1019
11	.1196	.1250	.026	.0907
12	.1046	.1093	.029	.0808
13	.0897	.0937	.031	.0719
14	.0747	.0781	.033	.0640
15	.0673	.0703	.035	.0570
16	.0598	.0625	.037	.0508
17	.0538	.0562	.039	.0452
18	.0478	.0500	.041	.0403
19	.0418	.0437	.043	.0359
20	.0359	.0375	.045	.0319
21	.0329	.0343	.047	.0284
22	.0299	.0312	.049	.0253
23	.0269	.0281	.051	.0225
24	.0239	.0250	.055	.0201
25	.0209	.0218	.059	.0179
26	.0179	.0187	.063	.0159
27	.0164	.0171	.067	.0142
28	.0149	.0156	.071	.0126
29	.0135	.0140	.075	.0112
30	.0120	.0125	.080	.0100
31	.0105	.0109	.085	.0089
32	.0097	.0101	.090	.0079
33	.0090	.0093	.095	.0071
34	.0082	.0085	.100	.0063
35	.0075	.0078	.106	.0056
36	.0067	.0070	.112	.0050
37	.0064	.0066	.118	.0044
38	.0060	.0062	.124	.0039