Push / Pull Hydraulic Cylinder Calculator

Calculate force, flow rate and more for push/pull hydraulic cylinders. Get quick, accurate results for all your hydraulic cylinder needs!

A Hydraulic cylinder is an effective tool for providing linear force through a linear stroke. By moving the piston up and down, it is possible to generate both push and pull forces. This Calculator can be used to calculate these forces at any given angle.

Bore of a Cylinder
Pound per Square
Diameter of a Rod
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    \text{push} = \sin(\text{angle}) \cdot \text{PSI} \cdot \pi \cdot \frac{b_2}{4} \text{lbs.}
    \text{pull} = \sin(\text{angle}) \cdot \text{PSI} \cdot \pi \cdot \frac{b_2 - d_2}{4} \text{lbs.}

    Make calculating the push/pull force of a hydraulic cylinder at any angle a breeze with the free online Push/Pull Calculator! Get accurate mechanical calculations quickly and easily.

    These formulas calculate the force exerted by a hydraulic cylinder in a pushing or pulling motion, where:

    • push is the force in pounds (lbs) exerted by the cylinder in a pushing motion
    • pull is the force in pounds (lbs) exerted by the cylinder in a pulling motion
    • angle is the angle of the cylinder’s piston rod in radians
    • PSI is the pressure in pounds per square inch (psi) of the hydraulic fluid
    • b2 is the bore diameter of the cylinder in inches
    • d2 is the rod diameter of the cylinder in inches

    The formulas use the sine of the piston rod angle, the hydraulic pressure, and the cylinder dimensions to calculate the force exerted in each direction. The push formula uses the full bore diameter, while the pull formula subtracts the rod diameter from the bore diameter to account for the reduced surface area available for force generation in a pulling motion.