Wire Gauge Conversion

This chart is designed to help you measure the size of wire your looking to purchase in terms of thickness. 

Wire Number (Gauge)	A.W.G. or B&S (Inches)	A.W.G. Metric (MM)
0000000 (7/0)	............	............
000000 (6/0)	0.58"	............
00000 (5/0)	0.5165"	............
0000 (4/0)	0.46"	11.684mm
000 (3/0)	0.409642"	10.404mm
00 (2/0)	0.364796"	9.266mm
0 (1/0)	0.324861"	8.252mm
1	0.289297"	7.348mm
2	0.257627"	6.543mm
3	0.229423"	5.827mm
4	0.2043"	5.189mm
5	0.1819"	4.621mm
6	0.162"	4.115mm
7	0.1443"	3.665mm
8	0.1285"	3.264mm
9	0.1144"	2.906mm
10	0.1019"	2.588mm
11	0.0907"	2.304mm
12	0.0808"	2.052mm
13	0.072"	1.829mm
14	0.0641"	1.628mm
15	0.0571"	1.45mm
16	0.0508"	1.291mm
17	0.0453"	1.15mm
18	0.0403"	1.024mm
19	0.0359"	0.9119mm
20	0.032"	0.8128mm
21	0.0285"	0.7239mm
22	0.0253"	0.6426mm
23	0.0226"	0.574mm
24	0.0201"	0.5106mm
25	0.0179"	0.4547mm
26	0.0159"	0.4038mm
27	0.0142"	0.3606mm
28	0.0126"	0.32mm
29	0.0113"	0.287mm
30	0.01"	0.254mm
31	0.0089"	0.2261mm
32	0.008"	0.2032mm
33	0.0071"	0.1803mm
34	0.0063"	0.1601mm
35	0.0056"	0.1422mm
36	0.005"	0.127mm
37	0.0045"	0.1143mm
38	0.004"	0.1016mm
39	0.0035"	0.0889mm
40	0.0031"	0.0787mm
41	0.0028"	0.0711mm
42	0.0025"	0.0635mm
43	0.0022"	0.0559mm
44	0.002"	0.0508mm
45	0.0018"	0.0457mm
46	0.0016"	0.0406mm
47	0.0014"	0.035mm
48	0.0012"	0.0305mm
49	0.0011"	0.0279mm
50	0.001"	0.0254mm
51	0.00088"	0.0224mm
52	0.00078"	0.0198mm
53	0.0007"	0.0178mm
54	0.00062"	0.0158mm
55	0.00055"	0.014mm
56	0.00049"	0.0124mm