NPS 12.0" Schedule STD Pipe Dimensions
Standard Industrial Pipe Dimensions
Inner Diameter
11.998 in
304.74 mm
Outer Diameter
12.748 in
323.80 mm
Wall Thickness
0.375 in
9.53 mm
Flow Velocity Calculator
Instantly calculate the fluid velocity inside this 12.0" Sch STD 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.