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Pipe Pressure Drop Calculator

Compute pressure drop across a straight pipe section using the Darcy-Weisbach equation. Used by engineers to size pipes and check whether pumps can overcome system resistance.

Pipe Length (m)

Pipe Internal Diameter (m)

Flow Velocity (m/s)

Fluid Density (kg/m³)

Fill in the required fields to see your result.

Chemical Engineering

Pipe Flow Pressure Drop Calculator

Compute pressure drop along a straight pipe section using the Darcy-Weisbach equation, with automatic friction factor selection for laminar or turbulent flow. Essential for sizing pipes and checking pump requirements.

Volumetric Flow Rate (m³/h)

Pipe Inner Diameter (mm)

Pipe Length (m)

Fluid Density (kg/m³)

Dynamic Viscosity (Pa·s)

Pipe Roughness

Fill in the required fields to see your result.

Key differences

	Pipe Pressure Drop Calculator	Pipe Flow Pressure Drop Calculator
Category	Chemical Engineering	Chemical Engineering
Inputs required	4	6
Result	Pressure Drop (kPa)	Pressure Drop (kPa)
What it does	Compute pressure drop across a straight pipe section using the Darcy-Weisbach equation. Used by engineers to size pipes and check whether pumps can overcome system resistance.	Compute pressure drop along a straight pipe section using the Darcy-Weisbach equation, with automatic friction factor selection for laminar or turbulent flow. Essential for sizing pipes and checking pump requirements.