Use the chart below to convert standard gauge numbers in decimals of an inch for sheet steel aluminum and stainless steel.
Aluminum sheet metal gauge thickness chart.
A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters.
Sheet steel aluminum.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
Gauge to thickness chart gauge stainless galvanized sheet steel aluminum fraction inches mm inches mm inches mm inches mm 30 0 0125 0 33 0 0157 0 40 0 0120 0 30 0 0100 0 25.
Metal gauges below you ll find the info you need with our sheet steel stainless steel and aluminum sheet metal charts.
The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.
Gauge to thickness chart click here for a printable pdf chart gauge.