**Full name:** atmosphere [standard]

**Plural form:** atmospheres

**Symbol:** atm

**Category type:** pressure

**Scale factor:** 101325.01

atmosphere [standard]

atmosphere [technical]

The SI derived unit for pressure is the pascal.

1 pascal is equal to 9.86923169314E-6 atm.

Valid units must be of the **pressure** type.

You can use this form to select from known units:

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atm to newton/square metre

atm to attopascal

atm to gigapascal

atm to petabar

atm to pound/square inch [gauge]

atm to millimeter of mercury [0 °C]

atm to foot of head

atm to kilopond/square millimeter

atm to millimeter of water [4 °C]