Hydraulic Cylinder - Force from Pressure

Push / pull force of a hydraulic cylinder given working pressure, bore and rod diameter - the fundamental cylinder sizing equation.

HydrauliccylinderForce

Bore (piston)mmRod diametermmWorking pressurebar

Push force: 785.4kN

Pull force: 589.0kN

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_{push} = p \cdot \frac{\pi D^2}{4}, \quad F_{pull} = p \cdot \frac{\pi (D^2 - d^2)}{4}

Symbol	Meaning	Unit
$D$	Bore (piston) diameter	m
$d$	Rod diameter	m
$p$	Working pressure	bar

Source: ISO 6020 / 6022 - Hydraulic Cylinders

In short

Push / pull force of a hydraulic cylinder given working pressure, bore and rod diameter - the fundamental cylinder sizing equation.

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