What is pressure?Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Conversion Samples1 kPa = 1000 Pa1 ksi = 1000 psi1 bar = 100000 Pa1 bar = 14.503773773021 psi1 atm = 101325 Pa1 atm = 760 Torr