Pipe Calculator Pipe Size Unit Millimeter Inch Pipe Size In Inch 1.8" 1.4" 3.8" 1.2" 3.4" 1" 1 1.4" 1 1.2" 2" 2 1.2" 3" 3 1.2" 4" 5" 6" 8" 10" 12" 14 and more PipeSize Pipe Thickness Unit Millimeter Inch Pipe Thickness Pipe Type Steel Stainless Steel Pipe Area Weight Kg Calculate