STEEL GAUGE CONVERSION TABLE
Conversion Table from steel gauge no. to inches and millimetres.
Gauge No
Inch
MM
0
0.324"
8.230mm
1
0.300"
7.620mm
2
0.276"
7.010mm
3
0.252"
6.401mm
4
0.232"
5.893mm
5
0.212"
5.385mm
6
0.192"
4.877mm
7
0.176"
4.470mm
8
0.160"
4.064mm
9
0.144"
3.658mm
10
0.128"
3.251mm
11
0.116"
2.946mm
12
0.104"
2.642mm
13
0.092"
2.337mm
14
0.080"
2.032mm
15
0.072"
1.829mm
16
0.064"
1.626mm
17
0.056"
1.422mm
18
0.048"
1.219mm
19
0.040"
1.016mm
20
0.036"
0.914mm
21
0.032"
0.813mm
22
0.028"
0.711mm
23
0.024"
0.610mm
25
0.020"
0.508mm
26
0.018"
0.457mm
27
0.0164"
0.4166mm
28
0.0148"
0.3759mm
29
0.0136"
0.3454mm
30
0.0124"
0.3150mm
31
0.0116"
0.2946mm
32
0.0108"
0.2743mm
33
0.0100"
0.2540mm
34
0.0092"
0.2337mm
35
0.0084"
0.2134mm
36
0.0076"
0.1930mm
37
0.0068"
0.1727mm
38
0.0060"
0.1524mm
39
0.0052"
0.1321mm
40
0.0048"
0.1219mm
