Engineering calculators
Pump Calculators
Sizing, NPSH, friction loss, efficiency.
3 calculators available.
Pump Sizing Calculator
Size a centrifugal pump: hydraulic power, brake power and motor kW from flow, head and efficiency.
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NPSH Available Calculator
Compute NPSH available to protect a pump from cavitation using pressure, temperature and suction geometry.
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Pipe Friction Loss Calculator
Compute Darcy–Weisbach friction head loss for water flow through a pipe — includes fittings equivalent length.
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