Hydraulic Cylinder Force

F = P × A - cylinder extend/retract force from pressure and piston area.

Hydraulics

Working pressurebarCylinder boremmRod diametermm0 for extend only (full piston area).

Extend force: 422.2kN

Retract force: 288.6kN

Changing the inputs requires JavaScript. The calculator above shows its default inputs and result. The formula, symbols, and regulatory sources are shown in the Formula section below.

Formula, assumptions, and limits

F_\text{ext} = P \cdot \tfrac{\pi}{4} D^2, \quad F_\text{ret} = P \cdot \tfrac{\pi}{4}(D^2 - d^2)

Symbol	Meaning	Unit
$P$	Working pressure	bar → Pa
$D$	Cylinder bore	mm
$d$	Rod diameter	mm

Source: ISO 6020/6022 - Hydraulic cylinders

In short

F = P \u00d7 A - cylinder extend/retract force from pressure and piston area.

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