How To Measure Sheet Metal Thickness

When working with sheet metal the term gauge is often used.

How to measure sheet metal thickness.

The most commonly used sheet metal sizes range from 30 gauge thinner to 7 gauge thicker. A gauge is a traditional non linear measurement. Steel gauge can be measured by a device that looks like a gear it s a circular piece of thick steel with slots in it of different sizes which you slip onto your piece of steel. If your measurement was 55.

Use the millimeter hash marks to find the most accurate measurement. Wire conductor sizes are also measured in gauge and are equivalent to the non ferrous thicknesses listed below but we have an article specific to wire gauge. How to measure sheet metal gauge thickness. Originally used in the fields of medicine and jewellery the larger the number the smaller the diameter and now it is also used to indicate the thickness.

Any thicker than 10 gauge and you re in steel plate territory. It kinda depends on what metal you re measuring. The table below provides conversion to inches. Just fit the two tips of the caliper around the metal you need to measure to determine its thickness.

Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system. Steel is commonly measured by gauge ranging from about 10 gauge to 30 gauge usually. Anything thinner than 30 and you re working with foil. Multiply the number of millimeters by 0 03937 to convert to inches.

The higher the number the thinner the sheet metal. Sheet metal gauge and thickness metal sheet thickness is measured in gauge. Answered march 21 2020. Use a tape measure to find the thickness of your sheet metal piece.

The most precise way to measure a metal s thickness is to use a caliper.