CALCULATOR
psi to atm Conversion
psi to atm. Example: Value in psi: 2.5 gives 0.170114909775 atm. Converts pressure units while preserving the supplied absolute or gauge reference. Standard atmosphere is exactly 101325 Pa; Torr is exactly 1/760 atmosphere; psi is pound-force per square inch using standard gravity 9.80665 m/s², international pound 0.45359237 kg and inch 0.0254 m. This tool does not add atmospheric pressure or infe
How the calculation works
value × 1270920461503/18677382000000
Worked example
With value in psi 1 psi, result in atm is 0.06804596391 atm.
Assumptions and limits
Converts pressure units while preserving the supplied absolute or gauge reference. Standard atmosphere is exactly 101325 Pa; Torr is exactly 1/760 atmosphere; psi is pound-force per square inch using standard gravity 9.80665 m/s², international pound 0.45359237 kg and inch 0.0254 m. This tool does not add atmospheric pressure or infer local weather.