The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.
Car panel sheet metal gauge.
Automotive sheet metal once ran in the range of 18 gauge which was 48 thousandths of an inch thick actually 0 0478 inch.
Whether you re working on a classic american car from 1957 or a truck made as recently as 2007 eastwood has sheet metal to help you fix it.
Sheetmetal comes in various materials and thicknesses but the processes by which you turn a flat sheet into something useful are always more or less the same.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
When doing old car restorations sometimes its simpler to replace an entire panel instead of trying to straighten it or repair rust spots.
20 gauge became common in more recent times and this meant 0 0359 inch thick metal still a lot to work with in bumping and metal finishing.
Whether you re pounding a dented body panel or fabricating an entire custom interior for a race car you re bound to work with sheetmetal in the automotive world.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.