Request For Quote

Metal Gauges

Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel, aluminum and stainless steel.

Gauge #

Sheet Steel

Aluminum

Stainless Steel

1—.2893 (7.3).2812 (7.1)
 2—.2576 (6.5).2656 (6.7)
 3.2391 (6.1).2294 (5.8).2500 (6.4)
 4.2242 (5.7).2043 (5.2).2344 (6.0)
 5.2092 (5.3).1819 (4.6).2187 (5.6)
 6.1943 (4.9).1620 (4.1).2031 (5.2)
 7.1793 (4.6).1443 (3.7).1875 (4.8)
 8.1644 (4.2).1285 (3.3).1719 (4.4)
 9.1495 (3.8).1144 (2.9).1562 (4.0)
 10.1345 (3.4).1019 (2.6).1406 (3.6)
 11.1196 (3.0).0907 (2.3).1250 (3.2)
 12.1046 (2.7).0808 (2.1).1094 (2.8)
 13.0897 (2.3).0720 (1.8).0937 (2.4)
 14.0747 (1.9).0641 (1.6).0781 (2.0)
 15.0673 (1.7).0571 (1.5).0703 (1.8)
 16.0598 (1.5).0508 (1.3).0625 (1.6)
 17.0538 (1.4).0453 (1.2).0562 (1.4)
 18.0478 (1.2).0403 (1.0).0500 (1.3)
 19.0418 (1.1).0359 (0.9).0437 (1.1)
 20.0359 (0.9).0320 (0.8).0375 (1.0)
 21.0329 (0.8).0285 (0.7).0344 (0.9)
 22.0299 (0.8).0253 (0.6).0312 (0.8)
 23.0269 (0.7).0226 (0.6).0281 (0.7)
 24.0239 (0.6).0201 (0.5).0250 (0.6)
 25.0209 (0.6).0179 (0.5).0219 (0.6)
 26.0179 (0.5).0159 (0.4).0187 (0.5)
 27.0164 (0.4).0142 (0.4)>.0172 (0.4)
 28.0149 (0.4).0126 (0.3).0156 (0.4)
 29.0135 (0.3).0113 (0.3).0141 (0.3)

Dimensions in inches (millimeters)