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Basic
Centrifugal Pumps
Brake horsepower
Pump Efficiency
Specific speed (US)
Suction specific speed (US)
Electrical Motors & Systems
HP - AC Single Phase
HP - AC Three Phase
HP - AC Two Phase
HP - Direct Current
KW - AC Single Phase
KW - AC Three Phase
KW - AC Two Phase
KW - Direct Current
Financial
Annuity
Future Value
Payback Time
Mechanical Seals and Gaskets
Throat Bushing Sizing
Miscellaneous
Belt-Drive Pulleys
MTBR
Reynolds Number
PD Pumps
Power pump hp
Single acting displacement
Piping Design
Piping Fitting and Valve Losses
Pressure, Head, and Flow
Converting fluid velocity to velocity head
Converting pressure to head
Converting velocity to flow
Pump Design
Peripheral velocity of an impeller
Shaft shear stress
Torque with hp and speed
Vibration
Acceleration, displacement
Velocity (in/sec) pk to g's
Velocity (in/sec) pk to mils pk
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Pressure, Head, and Flow
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Converting velocity to flow
Converting velocity to flow
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Long
Calculator
Input 2 of 3 variables to solve for the unknown.
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Symbol
Variable
Input
Units
Q
Flow
gallons/minute
cubic feet/minute
cubic feet/second
meters³/minute
centimeter³/minute
gallons/hour
meters³/hour
barrels/minute (petroleum)
barrels/hour (petroleum)
barrels/day (petroleum)
barrels/minute (US)
barrels/hour (US)
barrels/day (US)
liters/hour
liters/minute
V
Velocity
feet/second
inches/second
inches/minute
foot/minute
meters/seconds
meters/minute
centimeter/second
centimeter/minute
D
Diameter
inches
millimeters
centimeters
feet
meters