Convert Pressure from psi to Pascal This topic contains 1 reply, has 2 voices, and was last updated by Surjeet Sankararaj 5 years ago. Author Posts June 29, 2013 at 2:11 am #2655 KingParticipant Points: 96 What is the full form of psi? How to convert pressure from psi to Pascal? June 29, 2013 at 12:00 pm #2665 Surjeet SankararajKeymaster Points: 631 psi stands for Pounds per Square Inch. Pressure can be easily converted from psi to Pascal using the following formula: 1 psi = 6894.75729317 Pa Alternatively, you can use this pressure converter to convert pressure from psi to Pascal: http://mechteacher.com/unit-converter/pressure-converter/ Author Posts Tagged: pressure You must be logged in to reply to this topic.