Resolution 4 of the 10th CGPM (1954)
 
Definition of the standard atmosphere

The 10th Conférence Générale des Poids et Mesures (CGPM), having noted that the definition of the standard atmosphere given by the 9th CGPM when defining the International Temperature Scale led some physicists to believe that this definition of the standard atmosphere was valid only for accurate work in thermometry,

declares that it adopts, for general use, the definition:

1 standard atmosphere = 1 013 250 dynes per square centimetre,
i.e., 101 325 newtons per square metre.


Reference:
Comptes rendus de la 10e CGPM (1954), 1956, 79



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