When working with sheet metal the term gauge is often used.
Gauge to mm conversion chart sheet metal pdf.
For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter.
The equivalent thicknesses differ for each gauge size standard which were developed based on the weight of the sheet for a given material.
Metal gauge thickness conversion chart.
The sheet metal thickness gauge for steel is based on a weight of 41 82 pounds per square foot per inch of thickness.
Sheet metal gauge size chart gauge or gage sizes are numbers that indicate the thickness of a piece of sheet metal with a higher number referring to a thinner sheet.
This chart covers the common and uncommon sheet metal sizes for steel aluminum and galvanized steel.
For a more comprehensive gauge chart you can check out our sheet metal gauge chart here.
Below is a chart of sheet metal gauge to mm inch including standard steel aluminum and galvanized steel.
Typically the even number gauges are used more frequently.
Converting sheet metal gauge numbers to millimeters is as simple as following the chart below.
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.
This is called the steel plate manufacturer s standard gauge.
Gague are used to specify the thickness of a metal sheet.