What is a Atmosphere (atm)?

An atmosphere (atm) is a unit of pressure defined as 101,325 pascals, representing standard atmospheric pressure at sea level.

Definition

Symbol

atm

Category

Pressure

System

Both

1 {unit} = {value} {otherUnit}

1 Atmosphere = 101325 Pascal (Pa)

1 Atmosphere = 101.325 Kilopascal (kPa)

1 Atmosphere = 0.101325 Megapascal (MPa)

1 Atmosphere = 1.01325 Bar (bar)

1 Atmosphere = 14.6959 PSI (psi)

Common Uses

  • Diving depth reference
  • Chemistry standard conditions
  • Weather reporting

Atmosphere Conversions

Related Units