Construction Machinery & Attachments worked example

Hydraulic Cylinder Sizing with hydraulic system pressure of 1,500 psi: a worked example

Here is what the math looks like when conditions slip. We hold every other input steady and drop hydraulic system pressure to 1,500 psi, then walk the calculation through step by step. Estimate available cylinder force from hydraulic pressure, piston area, efficiency, and cylinder count.

The inputs for this scenario

  • Hydraulic system pressure: 1,500 psi (the input this scenario stresses; the baseline uses 3,000)
  • Effective piston area: 7.1 in² (held at the documented default)
  • Hydraulic & linkage efficiency: 0.88 x (held at the documented default)
  • Active cylinders sharing the load: 2 x (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Single-cylinder force after efficiency = hydraulic system pressure × effective piston area × hydraulic and linkage efficiency.
  • available cylinder force works out to 18,744 lbf at these inputs, and this is the headline figure for the scenario.
  • single-cylinder force after efficiency works out to 9,372 value at these inputs.
  • active cylinder count works out to 2 x at these inputs.
  • pressure-area product works out to 10,650 value at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where hydraulic system pressure sits at 3,000 psi and the headline result is 37,488 lbf, this scenario comes in 50% below the baseline at 18,744 lbf.
  • The practical read: the gap between this scenario and the baseline is entirely attributable to hydraulic system pressure, so recovering it is worth quantifying in dollars before considering equipment or staffing changes. It uses a single effective piston area, so it does not distinguish extend (full bore) from retract (annulus) force, and it lumps all losses into one efficiency factor rather than modeling linkage geometry through the stroke.

Results at a glance

  • available cylinder force: 18,744 lbf (headline result)
  • single-cylinder force after efficiency: 9,372 value
  • active cylinder count: 2 x
  • pressure-area product: 10,650 value

Run it with your numbers

  • To rerun this with your own numbers, open the live Hydraulic Cylinder Sizing calculator, set hydraulic system pressure to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.