.020"
0.0938 inch or 2.38 mm.
A 21 Gage Steel plate is about 1/32 inch thick. Various charts put it at .032" to .033". That is for plain steel. Galvanized, aluminum and stainless have different measurements for the same gage.
Roughly 12 square yards.
There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.There are 12 inches in a foot, 12 inches X 12 feet = 144 inches.
Depends on what kind of steel: 18 Gauge Standard Steel is .0478 Inches. 18 Gauge Galvanized Steel is: 0.0516 inches thick. FYI 18 Gauge Aluminum is 0.0403 18 gage steel is 0.0478 inches thick 18 gage steel is 0.0478 inches thick
12 gage
.020"
26-gauge steel is 0.0179" thick.
2-1/2 inches long by 2-12 inches thick
12 swg 2.64 mm thick
12 gage
12 gauge equals 0.0808 inches or 2.0525 millimetres, if using the American wire gauge (AWG) scale.
239 inches
A piece of wood, 12 inches by 12 inches by 1 inch thick. That combination in any arrangement. 6x12x2 would still be 1 board foot.
0.0938 inch or 2.38 mm.
.1406 inches or 3.57 mm thick. (USG)