Hydraulic Force calculator

Pressure on Rod Side

piston diameter (in)
rod diameter (in)
cyl. pressure (psi)
 
 

piston diameter (mm)
rod diameter (mm)
cyl. pressure (bar)
 
 

Pressure opposite Rod Side

piston diameter (in)
cyl. pressure (psi)
 
 

piston diameter (mm)
cyl. pressure (bar)
 
 
 

The force produced by a double acting hydraulic piston on the rod side formula

F1 = π / 4 (d22 - d12) P1

where

d2 = piston diameter (inches)

d1 = rod diameter (inches)

F1 = rod pull force (lb)

P1 = pressure in the cylinder (rod side) (lff/in2)

The force produced opposite the rod formula

F2 = π / 4 d22 P2

where

P2 = pressure in the cylinder (opposite rod) (lff/in2)

F2 = rod push force (lb)

psi (lb/in2) = 144 psf (lbf/ft2) = 6,894.8 Pa (N/m2) = 6.895x10-3 N/mm2 = 6.895x10-2 bar

1 lbf (Pound force) = 4.44822 N = 0.4536 kp

1 in (inch) = 25.4 mm

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