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Pneumatic Cylinder - Excerted Force vs. Pressure

Force excerted by pneumatic air cylinders vs. air pressure cylinder size - online calculator.

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Single Acting Cylinder

Pneumatic air cylinder - force exerted

The force exerted by a single acting pneumatic cylinder can be expressed as

F = p A

= p π d2 / 4                                           (1)

where

F = force exerted (N)

p = gauge pressure (N/m2, Pa)

A = full bore area (m2)

d = full bore piston diameter (m)

Single Acting Cylinder Calculator  - Output Stroke

Calculate Force with known Pressure and Diameter

Pressure (kPa) (1 bar = 100 kPa)

Cylinder Diameter (mm)

Calculate required Diameter with known Force and Pressure

Force (N)

Pressure (kPa)

Calculate required Pressure with known Force and Diameter

Force (N)

Diameter (mm)

Example - Single Acting Piston

The force exerted by a single acting pneumatic cylinder with 1 bar (105 N/m2) and full bore diameter of 100 mm (0.1 m) can be calculated as

F = p π d2 / 4

    = (105 N/m2) π (0.1 m)2 / 4

    = 785 N

    = 0.785 kN

Air Cylinder - Pressure/Force Diagram

SI-units

Pneumatic air cylinder - acting force vs. pressure diagram - kPa

Imperial Units

Pneumatic air cylinder - acting force vs. pressure diagram - psi

Double Acting Cylinder

Pneumatic cylinder - double acting

The force exerted by double acting pneumatic cylinder on outstroke can be expressed as (1). The force exerted on instroke can be expressed as

F = p π (d12 - d22) / 4                                     (2)

where

d1 = full bore piston diameter (m)

d2 = piston rod diameter (m)

Double Acting Cylinder Calculator  - Input Stroke

Calculate Force with known Pressure and Diameter

Pressure (kPa)

Cylinder Diameter (mm)

Piston Rod Diameter (mm)

Calculate required Diameter with known Force and Pressure

Force (N)

Pressure (kPa)

Piston Rod Diameter (mm)

Calculate required Pressure with known Force and Diameter

Force (N)

Diameter (mm)

Piston Rod Diameter (mm)

Example - Double Acting Piston

The force exerted from a single acting pneumatic cylinder with 1 bar (105 N/m2), full bore diameter of 100 mm (0.1 m) and rod diameter 10 mm (0.01 m) can be calculated as

F = p π (d12 - d22) / 4

    = (105 N/m2) π [(0.1 m)2 - (0.01 m)2] / 4

    = 778 N

    = 0.78 kN

  • instroke capacity is reduced compared to outstroke capacity - due to the rod and reduced active pressurized areal
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This page can be cited as

  • Engineering ToolBox, (2008). Pneumatic Cylinder - Excerted Force vs. Pressure. [online] Available at: https://www.engineeringtoolbox.com/pneumatic-cylinder-force-d_1273.html [Accessed Day Mo. Year].

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