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Fluid Power Calculators

Fluid Pressure

Force (Pounds):
Unit Area (Square Inches) :
Pressure/PSI:
 

Horsepower Power

Pressure (PSI):
Flow Rate (Gallons per minute):
Horsepower:
 

Valve (Cv) Flow Factor

Flow Rate (Gallons per minute):
Specific Gravity:
Pressure Drop (PSI):
Valve Factor (Cv):
 

Flow

RPM:
Pump Displacement (Cubic Inches):
Pump Outlet Flow:
 

Cylinder Area

Raidus (Inches):
Cylinder Area:
 

Cylinder Force

Pressure (PSI):
Net Area (Square Inches):
Cylinder Force:
 

Cylinder Speed

Flow Rate (GPM):
Net Area (Square Inches):
Cylinder Speed:

Cylinder Volume Capactiy

Radius (Inches):
Stroke (Inches):
Cylinder Volume Capactiy:
 

Cylinder Flow Rate

Velocity (Inches per second):
Net Area (Square Inches):
Cylinder Flow Rate:
 

Fluid Motor Torque

Using Horsepower and RPM
Horsepower:
RPM:
Fluid Motor Torque:
 
Using Pressure and Displacement
Pressure (PSI):
Displacement (Cubic Inches):
Fluid Motor Torque:
 
Using Flow Rate, Pressure, and RPM
Flow Rate (GPM):
Pressure (PSI):
RPM:
Fluid Motor Torque:
 

Convert GPM to Cubic Inches

GPM:
 

Convert PSI to BAR

PSI:
 


Boyle's Law

  • P1 = Pressure 1 Absolute. (Gauge Pressure + 14.7)
  • P2 = Pressure 2 Absolute. (Gauge Pressure + 14.7)
  • V1 = Actual Gas Volume at Pressure 1
  • V2 = Actual Gas Volume at Pressure 2
Input 3 values
P1 V1   P2 V2
=
 

Charle's Law

  • T1 = Absolute Temperature of Gas at Volume 1 (Temp. °F + 459.7)
  • T2 = Absolute Temperature of Gas at Volume 1 (Temp. °F + 459.7)
  • V1 = Volume of Gas at Temperature 1
  • V2 = Volume of Gas at Temperature 2
Input 3 values
T1 V2   T2 V1
=
 

Accumulator Formulas

Pressure or Volume with Constant Temperature

Input 3 values
Original Pressure Original Volume   Final Pressure Final Volume
=