Convert Pressure to Force
Use this PSI to force calculator to convert pressure and diameter into force using piston area. This is useful for pneumatic cylinders, hydraulic cylinders, presses, clamps, tooling, and general pressure-to-force calculations.
This calculator estimates theoretical force from pressure and area. Real-world output force can be lower due to friction, seal drag, pressure loss, rod area, and mechanical inefficiencies.
Area = π × Diameter² / 4
Need help applying this to a real machine?
Get connected with a qualified automation integrator if you need help turning a force estimate into a real cylinder, clamp, tooling, or machine design decision.
Find an IntegratorFor cylinder retract force, use rod-side mode and enter the rod diameter. This reduces the effective area and lowers theoretical output force compared with full piston area.
What to check next
This tool is great for fast theoretical checks, but real machine force is usually lower than the raw math suggests. Pneumatic systems lose usable force through pressure drop, regulator performance, seal drag, rod-side area, misalignment, and overall mechanical inefficiency.
For actual application work, this page usually works best alongside a pneumatic force calculator, speed calculation, and air system sizing so you can confirm the machine has enough usable force at the actual operating conditions.