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Updated Jan 23, 2023   Gauge Thickness chart & Information     Gauge Is thickness. The higher the gauge number the thinner the metal.   The chart below shows approximate gauge thickness for metal to give a relative idea of different gauges. It is in American Standard Gauge of Average wire gauge thickness.    Gauge -Thickness  Dimension inches thick  Dimension millimeters thick   NOTES  2   .258 inch or slightly over 1/4 inch thick   6.54 mm   VERY HEAVY THICK WIRE .For large sculptures & armatures- cuts best with a bolt cutter or saw.  4   .204 inch  5.189 mm  THICK WIRE .For large sculptures & armatures- cuts best with a bolt cutter or saw.  6    .162 inch  4.1mm  THICK WIRE .For large sculptures & armatures- cuts best with a bolt cutter or saw.  8   .128 a little over 1/8 inch 3.26 mm    9    .114 inch    2.91 mm     10   .102 inch   2.6 mm     12   .081 inch 50  2 mm thick  About as thick as a standard wire coat hanger  14    .064 inch a bit thicker than 1/16 inch 1.6 mm  This and thicker is Considered PLATE METAL in sheet metal. as in "copper plate"   16  .051 inch  1.30 mm     18  .04 inch  1 mm  A bit thicker than a standard paper clip in wire. Heavy PLATE METAL in sheet metal. as in "copper plate"   20 .032 inch .80mm About the thickness of a standard paper clip.   22  . 025  .65mm     23 Photo shows Approximate thickness: 23 gauge   .023 or 23 Mil   .576 mm   Standard heavy weight Sheet metal for larger craft work, roofing and range hoods etc. In copper sheet it is 1 pound per square foot approximately. For sheet metal it cuts with a tin snips or saw   24   .020 or 20 Mil  .5 mm -half a millimeter Heavy weight Sheet metal. For sheet metal it cuts with a tin snips or saw A medium fine wire for craft.   26   .016  .40 mm     30  .010 also known as 10 mil as it is 10/1000 inch thick   .25 mm 1/4 mm  Medium weight sheet - cuts with a scissors. twice as thick as 36 gauge below, But a very thin wire- not very strong   36  .005 also known as 5 mil as it is 5/1000 inch thick   .125 mm 1/8 mm  Heavy FOIL: Standard Embossing & tooling & foil. Cuts with a scissors. 7 times thicker than household aluminum foil.   38  .004   .101 mm   Medium weight foil slightly lighter than above Extremely thin wire    45-50  .0014 .0007     thin foil- Household"tin" Aluminum foil- called very thin foil - standard aluminum kitchen foil "tin foil"   The Gauge thickness lines may not appear correctly on some computer screens due to different screen resolutions and page size settings.   Adjust your screen or estimate If this does not appear as one inch.     Or see the inch dimensions in the chart above on this page and compare with a ruler.             Back to top of page The full content of this site writings, photos and creations are original and copyright protected. (c) Copyright 2008- 2010 -All Rights Reserved the Whimsie Studio. Larry Henke & Ronald Bodoh, Bodoh Quartz Inc.