NPS 4.0" Schedule 80 Pipe Dimensions
Standard Industrial Pipe Dimensions
Inner Diameter
3.826 in
97.18 mm
Outer Diameter
4.500 in
114.30 mm
Wall Thickness
0.337 in
8.56 mm
Flow Velocity Calculator
Instantly calculate the fluid velocity inside this 4.0" Sch 80 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.