PSI is a unit of pressure or stress based on avoirdupois units and used primarily in the United States. It is the pressure resulting from a force with magnitude of one pound-force applied to an area of one square inch. PSI Full Form : A Police Sub Inspector ( PSI ) is an essential law enforcement officer authorized to enforce laws, investigate crimes, prevent unlawful activities, and apprehend criminals. 1 PSI = 0.068046 atmospheres 0.0689476 Bar 6894.76 Pascals 51.7149 Torr 2.03602 inHg 27.7076 inches of water column PSIA - PSI Absolute Absolute pressure is measured relative to a full vacuum. The pressure of a vessel completely void of any air molecules would be 0 PSIA, while average atmospheric surface pressure (at sea level) is roughly 14.7 ... PSI is a unit of pressure used mainly in the United States and other countries using the imperial measurement system. PSI measures the amount of force (in pounds) exerted per square inch of surface area.
