Definition:Dimension (Measurement)/Fundamental Dimensions

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Definition

The SI-recommended fundamental dimensions are:

  \(\ds \mathsf M:\) mass      
  \(\ds \mathsf L:\) length      
  \(\ds \mathsf T:\) time      
  \(\ds \Theta:\) temperature      
  \(\ds \mathsf I:\) electric current      
  \(\ds \mathsf N:\) amount of substance      
  \(\ds \mathsf J:\) luminous intensity      


Also defined as

For the fundamental dimensions, some sources prefer to use:

  \(\ds \mathsf Q:\) electric charge      

instead of:

  \(\ds \mathsf I:\) electric current      


Also see

  • Results about fundamental dimensions can be found here.


Sources