The NIST Reference on Constants, Units and Uncertainty Information at the foundation of modern science and technology from the Physical Measurment Laboratory of NIST

CODATA Internationally recommended values of the
Fundamental Physical Constants

Constants
Topics:
Values
Energy
Equivalents
Searchable
Bibliography
Background
Constants
Bibliography
Constants,
Units &
Uncertainty
home page
Correlation coefficient between two constants
 
Select the first constant in the pair 
 
  (e.g, electron mass , most misspellings okay)
    Search by name 
 
 
Or  browse the complete constants list   

See also
     Searchable bibliography on the constants
     Background information related to the constants
     Links to selected scientific data

   

 
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