Pound force per square inch conversion

Select the unit you wish to convert to

Pound force per square inch

Abbreviation/Symbol:

psi

lb/in2

lbf/in2

lbf/sq in

Unit of:

Pressure

Wordwide use:

psi is commonly used worldwide, eg to measure car and bike tire pressure, SCUBA diving equipment, and domestic plumbing

Definition:

1 psi is the pressure exterted by one pound-force of force being applied to an area of one square inch

Common references:

50 psi is the typical pressure of water leaving a garden hose, 162 psi is the average pressure of a human bite. An aluminium SCUBA tank is typically pressurised to 3,000 psi

Usage context:

psi is commonly used worldwide, eg to measure car and bike tire pressure, SCUBA diving equipment, and domestic plumbing