Darcy-Weisbach Equation

Calculate pressure drop due to friction in pipes using the Darcy-Weisbach equation

Inputs

Calculate pressure drop due to friction in pipes using the Darcy-Weisbach equation

Pipe Diameter

Pipe Length

Flow Velocity

m/s

Friction Factor

Dimensionless value (typically 0.01-0.05)

Fluid Density

kg/m³

Water: 1000 kg/m³