Wire Gage Equivalent Sizes Chart

To use this table, just read across to find the equivalent size in imperial or metric.

Wire Number/gage
 
A.W.G. or B&S (Inches)
A.W.G. Metric (MM)
0000000 (7/0)
 
............
............
00000 (6/0)
 
0.580"
............
000000 (5/0)
 
0.5165
............
0000 (4/0)
 
0.460"
11.684mm
000 (3/0)
 
0.409642"
10.404mm
00 (2/0)
 
0.364796"
9.266mm
0 (1/0)
 
0.324861"
8.252mm
1
 
0.289287"
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
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