What is the ID of 1 PVC Pipe?
What is the ID of 1 PVC Pipe? 1.315 Schedule 40 PVC Pipe Dimensions ChartNominal Pipe SizeO.D.Average I.D.1/2".840.6023/4"1.050.8041"1.3151.0291-1/4"1.6601.360 Is PVC Pipe measured by ID or OD? PVC Pipe is identified by the ID (Inside Diameter) and is referred to as a "nominal" size which means "in name only." However this confuses people and most novices try to use the OD (Outer Diameter) to order parts. If you do this, measure the OD of your pipe and find it the 2nd column of the chart below. Is PVC Pipe 1 inch? For example, a 1 inch PVC Pipe is actually 1.315...