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Atmosphere (unit) facts for kids

Kids Encyclopedia Facts

The standard atmosphere (symbol: atm) is a unit of pressure that refers to the air pressure at sea level. It is defined as equal to 101325 Pa. Since 1982, it has been replaced by the bar, which is equal to exactly 105 Pa. The usage of either unit is discouraged.

See also

Kids robot.svg In Spanish: Atmósfera (unidad) para niños

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Atmosphere (unit) Facts for Kids. Kiddle Encyclopedia.