›› Measurement unit: psi

Full name: pound/square inch

Plural form: pounds/square inch

Symbol: lb/in2

Alternate spelling: psi

Category type: pressure

Scale factor: 6894.75728


›› SI unit: pascal

The SI derived unit for pressure is the pascal.
1 pascal is equal to 0.00014503773800722 psi.


›› Convert psi to another unit

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›› Definition: Pound/square inch

The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in or lbf/in) 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.


›› Sample conversions: psi

psi to yottabar
psi to inch of water [4 C]
psi to kilogram-force/square millimetre
psi to megabar
psi to foot of air [0 C]
psi to yoctopascal
psi to terabar
psi to inch of mercury [0 C]
psi to centimeter mercury [0 C]
psi to micrometer of mercury [0 C]