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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 Rate Calculator

Determine volumetric flow rate through a pipe using the Hazen-Williams equation for water distribution systems. Used by civil and mechanical engineers to size pipes and diagnose pressure loss.

Pipe Diameter (m)

Pipe Length (m)

Head Loss (m)

Hazen-Williams C Factor

Result Units

Fill in the required fields to see your result.

Key differences

	Pump Head Calculator	Pipe Flow Rate Calculator
Category	Engineering	Engineering
Inputs required	5	5
Result	Required Pump Power (kW)	Flow Rate (L/s)
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.	Determine volumetric flow rate through a pipe using the Hazen-Williams equation for water distribution systems. Used by civil and mechanical engineers to size pipes and diagnose pressure loss.