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PVC Pipe sizes are different than the size the pipe is called. For example, a 1 inch PVC Pipe is actually 1.315 inches in outside diameter, and 1.029 inches in inside diameter. Fittings follow this same pattern, a 1" fitting has a 1.315 inch opening to accept a 1 inch pipe, which actually measures 1.315 inches in diameter.
Commercial Industrial Supply compiled dimension specs for both Schedule 40 (white) and Schedule 80 (gray) piping. Our PVC pipe sizing chart below includes O.D. (outside diameter) as well as I.D. (inside diameter) and PSI ratings. Looking for specific fittings specs?
To find PVC pipe OD sizes, you cannot simply add a certain amount to the size on the label. The OD for 1/2" PVC pipe is 0.840" and the OD for 3" PVC pipe is 3.500". If the nominal size is the ID, then that means 1/2" PVC pipe walls are .170" thick and 3" PVC pipe walls are 0.250" thick.
Understanding PVC pipe sizes is essential for successful plumbing, irrigation, and construction projects. By grasping the concept of nominal inside diameter, the significance of pipe schedules, and their corresponding dimensions, you can confidently select the right PVC pipe size for your specific needs.
Pipe sizes sorted by Outside Diameter (OD), Inside Diameter (ID), wall thickness and classification. 99% of all pvc pipe & plastic pipe fittings we sell are MADE IN THE USA
To determine the size of your PVC pipe, you can measure both the Outside Diameter (OD) and Inside Diameter (ID). Keep in mind that the Inside Diameter (ID) is not exact, but usually very close. Please refer to the table below to help you identify your PVC pipe size.
Sizes listed below are in NPS (Nominal Pipe Size) sizing standard. Review the following table for schedule 40 PVC and CPVC pipe specifications: The following chart contains NPS sizes, wall thickness, average pipe weights, inner and outer diameter measurements for schedule 80 PVC and CPVC plumbing.