**Full name:** pound/square inch

**Plural form:** pounds/square inch

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

**Alternate spelling:** psi

**Category type:** pressure

**Scale factor:** 6894.75728

pound/square inch

pound/square inch [gauge]

pound/square inch [absolute]

The SI derived unit for pressure is the pascal.

1 pascal is equal to 0.000145037738007 lb/in^2.

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.

lb/in^2 to kip/square inch

lb/in^2 to ton/square inch [long]

lb/in^2 to kilopond/square centimetre

lb/in^2 to ton/square foot [long]

lb/in^2 to exabar

lb/in^2 to terabar

lb/in^2 to attopascal

lb/in^2 to foot of mercury [0 °C]

lb/in^2 to yottabar