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Sheet Metal Gauge: steel
3 to 38
Sheet metal gauge thickness chart — gauge number to thickness and weight conversions for steel, aluminum, stainless steel, and other metals
| material | gauge number | material standard | thickness in (in) | thickness mm (mm) | weight lb ft2 (lb/ft2) |
|---|---|---|---|---|---|
| steel | 3 | steel mfg std | 0.2391 | 6.073 | 10 |
| steel | 30 | steel mfg std | 0.012 | 0.305 | 0.5 |
| steel | 31 | steel mfg std | 0.0105 | 0.267 | 0.4375 |
| steel | 32 | steel mfg std | 0.0097 | 0.246 | 0.40625 |
| steel | 33 | steel mfg std | 0.009 | 0.229 | 0.375 |
| steel | 34 | steel mfg std | 0.0082 | 0.208 | 0.34375 |
| steel | 35 | steel mfg std | 0.0075 | 0.19 | 0.3125 |
| steel | 36 | steel mfg std | 0.0067 | 0.17 | 0.28125 |
| steel | 37 | steel mfg std | 0.0064 | 0.163 | 0.265625 |
| steel | 38 | steel mfg std | 0.006 | 0.152 | 0.25 |
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