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Pressure Drop Calculator
Inputs
Flow Rate (m³/s)
Pipe Length (m)
Pipe Diameter (m)
Pipe Roughness (m)
Fluid Density (kg/m³)
Dynamic Viscosity (Pa·s)
Calculate
Results
Enter inputs and click calculate to see the result.
Calculation Steps
References
US EPA EPANET 2.2: Pipe head loss and friction factors
Source accessed 2026-09-08
Pressure Drop Calculator | Engivault