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

Unit System

Bore Diameter (mm)

Rod Diameter (mm)

Pressure (bar)

Results

Push Force (Extension)

1005.31 kN

F = P × π×D²/4

Pull Force (Retraction)

753.98 kN

F = P × π×(D²−d²)/4

Full Area

5026.55 mm²

Annulus Area

3769.91 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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