Resolution 1 of the 3rd CGPM (1901)

Declaration concerning the definition of the litre

The Conference declares

  1. The unit of volume, for high accuracy determinations, is the volume occupied by a mass of 1 kilogram of pure water, at its maximum density and at standard atmospheric pressure: this volume is called "litre".
  2. . . .

reference The reader should note that the official version of this Resolution is the French text


This definition was abrogated in 1964 by the 12th CGPM (Resolution 6).

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