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Pipe Pressure Drop Calculator

Calculate frictional pressure drop in a pipe using the Darcy-Weisbach equation, given friction factor, length, diameter, and fluid velocity. Use it for pump sizing, HVAC duct design, and fluid distribution system layout.

Friction Factor

Pipe Length (m)

Pipe Diameter (m)

Flow Velocity (m/s)

Chemical Engineering

Pump Head and Power Calculator

Calculate the shaft power required to drive a centrifugal pump given flow rate, static head, friction losses, and pump efficiency. Use this when sizing pumps for piping systems.

Flow Rate (L/min)

Static Head (m)

Friction Loss (m)

Fluid Density (kg/m³)

Pump Efficiency (%)

Key differences

	Pipe Pressure Drop Calculator	Pump Head and Power Calculator
Category	Engineering	Chemical Engineering
Inputs required	4	5
Result	Pressure Drop (Pa)	Required Pump Power (W)
What it does	Calculate frictional pressure drop in a pipe using the Darcy-Weisbach equation, given friction factor, length, diameter, and fluid velocity. Use it for pump sizing, HVAC duct design, and fluid distribution system layout.	Calculate the shaft power required to drive a centrifugal pump given flow rate, static head, friction losses, and pump efficiency. Use this when sizing pumps for piping systems.