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
18 gauge is thicker than 20 gauge. 18 gauge is 1.27 mm thick while 20 gauge is .953 mm thick.
18 gauge steel is typically 0.0478 inches thick.
1.02mm
18 gauge is 0.0478 inches thick. In general, the lower the gauge number, the thicker the metal.
No. The larger the number, the thinner the steel. 16 gauge is the thicker of the two.
18 gauge stainless steel is 0.0500 inches thick.
The difference between 18 gauge and 22 gauge stainless steel is the thickness. The 18 gauge is 0.050" thick, and the 22 gauge is 0.031" thick. A link is provided below to an article with a list of the conversions. You'll note that the cited thickness for the gauges of stainless do not apply to galvanized steel, aluminum, zinc, brass or other metals.
.0500 inches or 1.27 mm
Roughly 15.6 mils or 15.6 thousandths of an inch. Roughly, 1 gauge = .86 mils.
There's a conversion table at this website which will tell you. http://www.mesteel.com/info/carbon/thickness.htm
18 to 20 gauge high strength steel on modern cars and 16 gauge on older cars.