What does PSI stand for?

PSI stands for various terms. Discover the full forms, meanings, and possible interpretations of PSI across different fields and industries.

Pound(s) Per Square Inch

Or, more accurately, pound-force per square inch (symbol: lbf/in2; abbreviation: psi) is a unit of pressure or of stress based on avoirdupois units. It is the pressure resulting from a force of one pound-force applied to an area of one square inch.

Aviation
Public Service International
Medical
Previous sexual intercourse
Clinical
Power Signal Interface
Power System Interface
Per Square Inch
Pollution Standard Indices

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