NPS 4.0" Schedule STD Pipe Dimensions
Standard Industrial Pipe Dimensions
Inner Diameter
4.026 in
102.26 mm
Outer Diameter
4.500 in
114.30 mm
Wall Thickness
0.237 in
6.02 mm
Flow Velocity Calculator
Instantly calculate the fluid velocity inside this 4.0" 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.