Sheet Metal Gauge Size Chart – Inch Sheet Metal Gauge Size Chart – mm
Gauge sizes are numbers that indicate the thickness of a piece of sheet metal, with a higher number referring to a thinner sheet. Following reference table gives the different Gauges sizes (sheet metal thickness) for Standard Steel, Galvanized Steel, Stainless Steel, Aluminium.
Gauge | Standard Steel | Galvanized Steel | Stainless Steel | Aluminium |
---|---|---|---|---|
Gauge | Standard Steel | Galvanized Steel | Stainless Steel | Aluminium |
3 | 0.2391 | - | 0.2500 | 0.2294 |
4 | 0.2242 | - | 0.2344 | 0.2043 |
5 | 0.2092 | - | 0.2187 | 0.1819 |
6 | 0.1943 | - | 0.2031 | 0.1620 |
7 | 0.1793 | - | 0.1875 | 0.1443 |
8 | 0.1644 | 0.1681 | 0.1719 | 0.1285 |
9 | 0.1495 | 0.1532 | 0.1562 | 0.1144 |
10 | 0.1345 | 0.1382 | 0.1406 | 0.1019 |
11 | 0.1196 | 0.1233 | 0.1250 | 0.0907 |
12 | 0.1046 | 0.1084 | 0.1094 | 0.0808 |
13 | 0.0897 | 0.0934 | 0.0937 | 0.0720 |
14 | 0.0747 | 0.0785 | 0.0781 | 0.0641 |
15 | 0.0673 | 0.0710 | 0.0703 | 0.0571 |
16 | 0.0598 | 0.0635 | 0.0625 | 0.0508 |
17 | 0.0538 | 0.0575 | 0.0562 | 0.0453 |
18 | 0.0478 | 0.0516 | 0.0500 | 0.0403 |
19 | 0.0418 | 0.0456 | 0.0437 | 0.0359 |
20 | 0.0359 | 0.0396 | 0.0375 | 0.0320 |
21 | 0.0329 | 0.0366 | 0.0344 | 0.0285 |
22 | 0.0299 | 0.0336 | 0.0312 | 0.0253 |
23 | 0.0269 | 0.0306 | 0.0281 | 0.0226 |
24 | 0.0239 | 0.0276 | 0.0250 | 0.0201 |
25 | 0.0209 | 0.0247 | 0.0219 | 0.0179 |
26 | 0.0179 | 0.0217 | 0.0187 | 0.0159 |
27 | 0.0164 | 0.0202 | 0.0172 | 0.0142 |
28 | 0.0149 | 0.0187 | 0.0156 | 0.0126 |
29 | 0.0135 | 0.0172 | 0.0141 | 0.0113 |
30 | 0.0120 | 0.0157 | 0.0125 | 0.0100 |
31 | 0.0105 | 0.0142 | 0.0109 | 0.0089 |
32 | 0.0097 | 0.0134 | 0.0102 | 0.0080 |
33 | 0.0090 | - | 0.0094 | 0.0071 |
34 | 0.0082 | - | 0.0086 | 0.0063 |
35 | 0.0075 | - | 0.0078 | 0.0056 |
36 | 0.0067 | - | 0.0070 | 0.0050 |
37 | 0.0064 | - | 0.0066 | 0.0045 |
38 | 0.0060 | - | 0.0062 | 0.0040 |
39 | - | - | - | 0.0035 |
40 | - | - | - | 0.0031 |