PSI stands for pounds per square inch. It is used as a unit of pressure.

**Definition**

**Definition**

PSI can be defined as the amount of pressure or stress of a pound of force per square inch of area. The symbol of psi is lb/in² or lbf/in².

PSI is commonly used in many pressure measuring applications like tire pressure, soil bearing capacity, wastewater management, fuel distribution & storage.

Following are the major conversion for the PSI unit.

- 1 PSI= 6894.76 Pascals (SI unit conversion)
- 1 PSI= 0.0689476 Bar
- 1 PSI= 0.068046 atmospheres
- 1 PSI= 51.7149 Torr
- 1 PSI= 2.03602 inHg
- 1 PSI= 27.7076 inches of the water column

Reference:

- 1. Setra Systems,
*setra.com*

## Convert pound-per-square-inch to other pressure units

## All pressure conversions

## See also

Kilopascal
Bar
Pascal
Millipascal
Nanopascal
Gigapascal
Kilo Newton per Square Meter
technical atmosphere
pièze
kg/cm2
Centimeters of Mercury
Attopascal
Centimeters of Water
Inch of Mercury
Standard Atmosphere
Millibar
Dekapascal
Decibar
Torr
Hectopascal
Femtopascal
Inch of water column
Microbar
Millimetre of Mercury
Kilopound per Sqaure Feet
Foot of Water Column
Inch of water column
Pound Per Square Feet
Zettabar
Millimetre of Water
Kilopound per Square Inch
Dyne per Square Centimeter
Exapascal
Megapascal