**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 millitorr

lb/in^2 to water column [centimeter]

lb/in^2 to atmosphere [standard]

lb/in^2 to attobar

lb/in^2 to exapascal

lb/in^2 to foot of air [15 °C]

lb/in^2 to pascal

lb/in^2 to meter of air [15 °C]

lb/in^2 to centimeter of mercury [0 °C]