The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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Click symbol for equation
inverse meter-kelvin relationship†
 $(1 \ {\rm m}^{-1})hc/k$
 Numerical value  1.438 776 877...  x 10-2 K
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  1.438 776 877... x 10-2 K    
†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: 2022 CODATA     
recommended values 		 Definition of
uncertainty 		      Correlation coefficient with
any other constant

 
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