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Calculators
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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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Financial
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Payback Time
Payback Time
Short
Long
Calculator
Input 2 of 3 variables to solve for the unknown.
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Symbol
Variable
Input
Units
PT
Payback Time
pay back time
PC
Project Cost
project cost
AR
Annual Revenue
annual revenue