0 0187 0 452 0 0217 0 55 0 0179 0 45 0 0159 40 25.
													
																	Gauge sheet metal thickness inches. 
									
	
		
	
																	The story of gauge. 
																	For example 18 gauge steel according to a gauge conversion chart is 0 0478 inch or 1 214 millimeter. 
																	A gauge conversion chart can be used to determine the actual thickness of sheet metal in inches or millimeters. 
																	Inches mm inches mm 26. 
															
													
									
	
		
	
																	Corresponds to the standard steel thickness of 0 0329 inches 0 84mm. 
																	Gague are used to specify the thickness of a metal sheet.