How To Measure Sheet Metal Gauge Size

Gauge to thickness chart.

How to measure sheet metal gauge size. A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. How to measure sheet metal gauge thickness. Related product s the thickness of sheet metal is commonly specified by a traditional non linear measure known as its gauge. Use a tape measure to find the thickness of your sheet metal piece.

Galvanized steel sheet metal measuring 30 gauges equals 0 0157 inch but the same gauge standard steel sheet metal measures 0 0120 inch and 30 gauge stainless steel measures 0 0125 inch. It should be noted that aluminum is usually classified by inches rather than gauge as there is no official gauge standard for aluminum. The gauge number 18 holds no relevance to the actual measurements. The table below provides conversion to inches.

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. Decimal nearest fractional 4 112. Gague are used to specify the thickness of a metal sheet. If your measurement was 55.

When working with sheet metal the term gauge is often used. For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. Standard gauges of sheet metal chart. Metal sheet thickness is measured in gauge.

Multiply the number of millimeters by 0 03937 to convert to inches. Gague ga is a length measurement unit for diameters originating in north america and belongs to the browne sharpe metering system. 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 29 0 0141 0 36 0 0172 0 44 0 0135 0 34 0 0113 0 29 28 1 64 0 0156 0 41 0 0187 0 47 0 0149 0 38 0 0126 0 32 27 0 0172 0 43 0 0202 0 51 0 0164 0 42 0 0142 0 36 26 0 0187 0 48 0 0217 0 55 0 0179 0 45 0 0159 40 25 0 0219 0 56 0 0247 0 63 0 0209.

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. Print this page. Us sheet metal screw diameters. Please note that astm states in specification astm a480 10a the use of gage number is discouraged as being an archaic term of limited usefulness not having general agreement on.