Axis

Pressure & stress

pound per square inchpsi

One pound-force per square inch.

Dimension
pressure
Canonical signature
L^-1*M*T^-2
System
imperial us
Exactness
Exact

Definition record

How this unit is defined

Canonical base
1 psi = 6,894.757293168361 Pa
Conversion type
linear
Historical notes
psia and psig share the unit; gauge pressures add atmospheric pressure.
Aliases
pounds per square inch, lbf/in², psia, psig

Same dimension

Related units

pascalsiPabarsi acceptedbarkilopound per square inchimperial uskpsimegapound per square inchimperial usMpsiquettapascalsiQParonnapascalsiRPayottapascalsiYPazettapascalsiZPa

Common conversions

Every conversion routes through the canonical base of the dimension.

1 psi = 6,894.757293168361 Pa

Exact relationship

10 psi = 68,947.57293168361 Pa

Exact relationship