›› 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 0.000145037738007 psi.


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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 kilopond/square millimeter
psi to kilogram-force/square metre
psi to foot of air [15 C]
psi to poundal/square foot
psi to meter of air [15 C]
psi to picobar
psi to foot of air [0 C]
psi to millimeter of water [4 C]
psi to millitorr
psi to yottabar