The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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Correlation coefficient between two constants
electron volt-inverse meter relationship†
 $(1 \ {\rm eV})/hc$
 Numerical value  8.065 543 937...  x 105 m-1
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  8.065 543 937... x 105 m-1    
†The full description of unit m-1 is cycles or periods per meter.
 
Source: 2018 CODATA     
recommended values 		 Definition of
uncertainty 		       Correlation coefficient with
any other constant

 
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