The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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inverse meter-joule relationship
 $  (1\,{\rm m}^{-1})\,h c = ({\rm m}^{-1}\,h c /{\rm J})\, {\rm J} $
 Numerical value  1.986 445 857...  x 10-25 J
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  1.986 445 857... x 10-25 J    
The full description of unit m-1 is cycles or periods per meter.
 
Click here for correlation coefficient of this constant with other constants
Source: 2018 CODATA     
recommended values
 
Definition of
uncertainty
 
     Correlation coefficient with
any other constant

 
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