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Metal Gauge Chart

Gauge US Standard Gauge Sheet Steel Galvanized Steel Stainless Steel Aluminum
0 0.313" 7.938mm 0.313" 7.938mm 0.325" 8.252mm
1 0.281" 7.145mm 0.281" 7.142mm 0.289" 7.348mm
2 0.266" 6.746mm 0.266" 6.746mm 0.258" 6.543mm
3 0.250" 6.350mm 0.239" 6.073mm 0.250" 6.350mm 0.229" 5.827mm
4 0.234" 5.954mm 0.224" 5.695mm 0.234" 5.954mm 0.204" 5.189mm
5 0.219" 5.558mm 0.209" 5.314mm 0.219" 5.555mm 0.182" 4.620mm
6 0.203" 5.159mm 0.194" 4.935mm 0.203" 5.159mm 0.162" 4.115mm
7 0.188" 4.763mm 0.179" 4.554mm 0.188" 4.763mm 0.144" 3.665mm
8 0.172" 4.366mm 0.164" 4.176mm 0.168" 4.267mm 0.172" 4.366mm 0.129" 3.264mm
9 0.156" 3.970mm 0.150" 3.797mm 0.153" 3.886mm 0.156" 3.967mm 0.114" 2.906mm
10 0.141" 3.571mm 0.135" 3.416mm 0.138" 3.505mm 0.141" 3.571mm 0.102" 2.588mm
11 0.125" 3.175mm 0.120" 3.038mm 0.123" 3.124mm 0.125" 3.175mm 0.091" 2.304mm
12 0.109" 2.779mm 0.105" 2.657mm 0.108" 2.743mm 0.109" 2.779mm 0.081" 2.052mm
13 0.094" 2.383mm 0.090" 2.278mm 0.093" 2.362mm 0.094" 2.380mm 0.072" 1.829mm
14 0.078" 1.984mm 0.075" 1.897mm 0.079" 2.007mm 0.078" 1.984mm 0.064" 1.628mm
15 0.070" 1.786mm 0.067" 1.709mm 0.071" 1.803mm 0.070" 1.786mm 0.057" 1.450mm
16 0.063" 1.588mm 0.060" 1.519mm 0.064" 1.626mm 0.063" 1.588mm 0.051" 1.290mm
17 0.056" 1.430mm 0.054" 1.367mm 0.058" 1.473mm 0.056" 1.427mm 0.045" 1.151mm
18 0.050" 1.270mm 0.048" 1.214mm 0.052" 1.321mm 0.050" 1.270mm 0.040" 1.024mm
19 0.044" 1.113mm 0.042" 1.062mm 0.046" 1.168mm 0.044" 1.110mm 0.036" 0.912mm
20 0.038" 0.953mm 0.036" 0.912mm 0.040" 1.016mm 0.038" 0.953mm 0.032" 0.813mm
21 0.034" 0.874mm 0.033" 0.836mm 0.037" 0.940mm 0.034" 0.874mm 0.029" 0.724mm
22 0.031" 0.795mm 0.030" 0.759mm 0.034" 0.864mm 0.031" 0.792mm 0.025" 0.643mm
23 0.028" 0.714mm 0.027" 0.683mm 0.031" 0.787mm 0.028" 0.714mm 0.023" 0.574mm
24 0.025" 0.635mm 0.024" 0.607mm 0.028" 0.711mm 0.025" 0.635mm 0.020" 0.511mm
25 0.022" 0.556mm 0.021" 0.531mm 0.025" 0.635mm 0.022" 0.556mm 0.018" 0.455mm
26 0.019" 0.478mm 0.018" 0.455mm 0.022" 0.559mm 0.019" 0.475mm 0.016" 0.404mm
27 0.017" 0.437mm 0.016" 0.417mm 0.020" 0.508mm 0.017" 0.437mm 0.014" 0.361mm
28 0.016" 0.396mm 0.015" 0.378mm 0.019" 0.483mm 0.016" 0.396mm 0.013" 0.320mm
29 0.014" 0.358mm 0.014" 0.343mm 0.017" 0.432mm 0.014" 0.358mm 0.011" 0.287mm
30 0.013" 0.318mm 0.012" 0.305mm 0.016" 0.406mm 0.013" 0.318mm 0.010" 0.254mm
31 0.011" 0.277mm 0.011" 0.267mm 0.011" 0.277mm 0.009" 0.226mm
32 0.010" 0.259mm 0.010" 0.246mm 0.010" 0.259mm 0.008" 0.203mm
33 0.009" 0.239mm 0.009" 0.229mm 0.009" 0.239mm 0.007" 0.180mm
34 0.009" 0.218mm 0.008" 0.208mm 0.009" 0.218mm 0.006" 0.160mm
35 0.008" 0.198mm 0.008" 0.191mm 0.008" 0.198mm 0.006" 0.142mm
36 0.007" 0.178mm 0.007" 0.170mm 0.007" 0.178mm 0.005" 0.127mm
37 0.007" 0.168mm 0.006" 0.163mm 0.007" 0.168mm 0.005" 0.114mm
38 0.006" 0.160mm 0.006" 0.152mm 0.006" 0.157mm 0.004" 0.102mm