NPS 18.0" Schedule XS Pipe Dimensions
Standard Industrial Pipe Dimensions
Inner Diameter
16.992 in
431.60 mm
Outer Diameter
17.992 in
457.00 mm
Wall Thickness
0.500 in
12.70 mm
Flow Velocity Calculator
Instantly calculate the fluid velocity inside this 18.0" Sch XS pipe based on volumetric flow rate.
Hydraulic Analysis
Take these exact dimensions into our rigorous hydraulic tools for pressure drop and compressible flow analysis.
About This Tool
The Pipe Dimensions lookup tool provides standard industrial dimensions for piping. Determine exact inner diameters, outer diameters, and wall thicknesses critical for accurate pressure drop and fluid velocity calculations.