Engineering & Design Push & Pull Force Calculators Calculator Enter values below and click calculate to display your results. Push = PSI x 3.1415 x b2 4 lbs Pull = PSI x 3.1415 x ( b2 – d2 ) 4 lbs 1 lbs = 0.45359237 kgs Enter your values: Fields marked with * are compulsory. Cylinder Bore Diameter * (inches) Cylinder Pressure * (psi) Piston Rod Diameter (inches) Calculate Push Force: Pull Force: 6.28 lbs 0 lbs 2.85 kgs 0 kgs 0.03 kN 0 kN