Submitted by keithmelville Mon, 2004-04-12 17:54
Pounds per Square Inch (psi), an American or British engineering unit of pressure, e.g. commonly used to measure the output of an air compressor (see gage pressure.)
Conversion to SI units (metric): 1 psi = 6.89475729 kilopascals (KPa) or approximately 7 KPa
see gage pressure, absolute pressure