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Both calculators run independently — change the inputs on either side to compare results.

Pump Head Calculator

Determine the total dynamic head and shaft power needed to move fluid through a piping system. Use this when sizing pumps for water supply, irrigation, HVAC, or industrial fluid transfer.

Static Head (m)

Friction Loss (m)

Velocity Head (m)

Flow Rate (m³/s)

Pump Efficiency (%)

Fill in the required fields to see your result.

Engineering

Pipe Flow Friction Loss Calculator

Calculates pressure drop due to friction in straight pipe runs using the Darcy-Weisbach equation. Use it when sizing pumps, designing piping systems, or troubleshooting flow resistance in water, oil, or gas networks.

Flow Rate (m³/s)

Pipe Internal Diameter (mm)

Pipe Length (m)

Pipe Roughness

Fluid Density (kg/m³)

Fill in the required fields to see your result.

Key differences

	Pump Head Calculator	Pipe Flow Friction Loss Calculator
Category	Engineering	Engineering
Inputs required	5	5
Result	Required Pump Power (kW)	Pressure Drop (Pa)
What it does	Determine the total dynamic head and shaft power needed to move fluid through a piping system. Use this when sizing pumps for water supply, irrigation, HVAC, or industrial fluid transfer.	Calculates pressure drop due to friction in straight pipe runs using the Darcy-Weisbach equation. Use it when sizing pumps, designing piping systems, or troubleshooting flow resistance in water, oil, or gas networks.