**Full name:** pound/square inch [absolute]

**Plural form:** pounds/square inch

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

**Alternate spelling:** psia

**Category type:** pressure

**Scale factor:** 6894.75728

The SI derived unit for pressure is the pascal.

1 pascal is equal to 0.00014503773800722 pound/square inch [absolute].

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

You can use this form to select from known units:

Pounds per square inch absolute (psia) is used to make it clear that the pressure is relative to a vacuum rather than the ambient atmospheric pressure. Since atmospheric pressure at sea level is around 14.7 psi, this will be added to any pressure reading made in air at sea level.

pound/square inch [absolute] to yoctopascal

pound/square inch [absolute] to gram/square centimetre

pound/square inch [absolute] to

pound/square inch [absolute] to ton/square inch [short]

pound/square inch [absolute] to kilogram-force/square millimetre

pound/square inch [absolute] to millimeter water [4 °C]

pound/square inch [absolute] to millibar

pound/square inch [absolute] to pound/square inch

pound/square inch [absolute] to millimeter of mercury [0 °C]

pound/square inch [absolute] to inch of water [4 °C]