**Full name:** pound/square inch

**Plural form:** pounds/square inch

**Symbol:** lb/in^{2}

**Alternate spelling:** psi

**Category type:** pressure

**Scale factor:** 6894.75728

The SI derived unit for pressure is the pascal.

1 pascal is equal to 0.000145037738007 psi.

Valid units must be of the **pressure** type.

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The pound per square inch or, more accurately, pound-force per square inch (symbol: psi or lbf/in² or lbf/in²) 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.

psi to centihg

psi to kilopond/square centimetre

psi to millibar

psi to kilobar

psi to centipascal

psi to attopascal

psi to millimeter of water [4 °C]

psi to hectobar

psi to kilopond/square millimeter