Atmospheres to Pounds per Square Inch - Convert atm to psi

Atmospheres (atm) Conversion

Atmosphere is a unit of pressure expressing the average pressure of the Earth’s atmosphere at sea level. The standard atmosphere equals 101325 Pa (pascals) or 1.01325 bars.

Pounds per Square Inch (psi) Conversion

A pound per square inch or more accurately pound-force per square inch is a traditional unit of pressure defined as the pressure originating from a force of one pound exerted on one square inch of area. One psi is 144 pounds per square foot (psf), 6.89475 kilopascals (kPa), 68.9475 millibars.