NPS 18.0" Schedule STD Pipe Dimensions
Standard Industrial Pipe Dimensions
Inner Diameter
17.242 in
437.94 mm
Outer Diameter
17.992 in
457.00 mm
Wall Thickness
0.375 in
9.53 mm
Flow Velocity Calculator
Instantly calculate the fluid velocity inside this 18.0" Sch STD pipe based on volumetric flow rate.
Hydraulic Analysis
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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.