Conversion Calculator

Enter a value:

Select a unit to convert:

Show Calculation Steps

Affinity Laws Calculator

Enter Original RPM (RPM1):

Enter New RPM (RPM2):

Enter Original Flow Rate (Q1):

Enter Original Head (optional):

Enter Specific Gravity (optional):

Enter Viscosity (cP, optional):

Show Calculation Steps

Head Loss Calculator

Enter Pipe Length:

Enter Pipe Diameter:

Enter Flow Rate:

Select Pipe Material:

Show Calculation Steps

Show Advanced Options

Motor Torque Calculator

Enter Motor Power (HP or kW):

Enter Speed (RPM):

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Pump Efficiency & NPSH Calculator

Flow Rate (GPM):

Head (ft):

Motor Power (HP):

Atmospheric Pressure (psi):

Vapor Pressure (psi):

Static Suction Head (ft):

Suction Line Friction Loss (ft):

Show Calculation Steps

Cavitation Calculator

NPSH Available (ft):

NPSH Required (ft):

Show Calculation Steps

Viscosity vs Temperature Calculator

Temperature (°C):

Reference Temperature (°C):

Reference Viscosity (cP):

Temperature Coefficient (1/°C):

Show Calculation Steps

Thermal Energy Calculator

Flow Rate (L/s):

Inlet Temperature (°C):

Outlet Temperature (°C):

Specific Heat (J/kg·K):

Density (kg/m³):

Show Calculation Steps

Fitting Pressure Drop Calculator

Flow Rate (GPM):

Pipe Diameter (inches):

Loss Coefficient (K):

Show Calculation Steps

Thermal Expansion Calculator

Original Pipe Length (ft):

Temperature Change (°F):

Select Material:

Show Calculation Steps

Pump Engineering Toolbox

Conversion Calculator

Conversion Results

Affinity Laws Calculator

Head Loss Calculator

Motor Torque Calculator

Pump Efficiency & NPSH Calculator

Cavitation Calculator

Viscosity vs Temperature Calculator

Thermal Energy Calculator

Fitting Pressure Drop Calculator

Thermal Expansion Calculator