The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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Click symbol for equation
hartree-joule relationship
$1 \ E_{\rm h}$
 Value  4.359 743 94 x 10-18 J
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  4.359 743 94(22) x 10-18 J    
 
Click here for correlation coefficient of this constant with other constants
Source: 2006 CODATA     
recommended values 		 Definition of
uncertainty 		      Correlation coefficient with
any other constant

 
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