The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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Constants,
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Uncertainty
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joule-electron volt relationship
 1 J
 Numerical value  6.241 509 074...  x 1018 eV
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  6.241 509 074... x 1018 eV    
 
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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