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CGCADGuide.tools
Free Fluid Power Tool

Hydraulic Cylinder Force Calculator

Calculate push and pull force from bore diameter, rod diameter, and hydraulic pressure. Includes effective area and retraction force reduction.

Parameters

Results

Push Force (Extension)
100.53 kN
F = P × π×D²/4
Pull Force (Retraction)
75.40 kN
F = P × π×(D²−d²)/4
Full Area
50265482.46 mm²
Annulus Area
37699111.84 mm²
Pull Reduction
25.0%
Push force uses full piston area. Pull force uses annulus area (piston minus rod). The rod reduces effective area during retraction, resulting in lower pull force at the same pressure.
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