Wire Gauge Size Chart

This wire gauge size chart is provided as a free service of WireMarker.com,
offering industrial quality label printers for making wire and cable labels.

U.S. WIRE GAUGE SIZES
Gauge No.	Diameter (inches)	Diameter (mm)		Gauge No.	Diameter (inches)	Diameter (mm)
0000	0.4600	11.68		19	0.03589	0.9116
000	0.4096	10.40		20	0.03196	0.8118
00	0.3648	9.206		21	0.02846	0.7229
0	0.3249	8.252		22	0.02535	0.6439
1	0.2803	7.348		23	0.02257	0.5733
2	0.2576	6.543		24	0.02010	0.5105
3	0.2294	5.827		25	0.01790	0.4547
4	0.2043	5.189		26	0.01594	0.4049
5	0.1819	4.620		27	0.01420	0.3607
6	0.1620	4.115		28	0.01264	0.3211
7	0.1443	3.665		29	0.01120	0.2845
8	0.1285	3.264		30	0.01003	0.2548
9	0.1144	2.906		31	0.008928	0.2268
10	0.1019	2.588		32	0.007950	0.2019
11	0.09074	2.305		33	0.007080	0.1798
12	0.08081	2.053		34	0.006305	0.1601
13	0.07196	1.828		35	0.005615	0.1426
14	0.06408	1.628		36	0.005000	0.1270
15	0.05707	1.450		37	0.004453	0.1131
16	0.05082	1.291		38	0.003965	0.1007
17	0.04526	1.150		39	0.003531	0.08969
18	0.04030	1.024		40	0.003145	0.07988

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