The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
Topics:
Values
Energy
Equivalents
Searchable
Bibliography
Background
Constants
Bibliography
Constants,
Units &
Uncertainty
home page
[skip navigation]
Click equation to show only symbol
joule-atomic mass unit relationship
 $ (1\,{\rm J})/c^2 = [{\rm J}/(m_{\rm u} \, c^2)] \, {\rm u} $
 Numerical value  6.700 535 2565 x 109 u
 Standard uncertainty  0.000 000 0020 x 109 u
  Relative standard uncertainty  3.0 x 10-10
 Concise form  6.700 535 2565(20) x 109 u    
 
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

 
Go to a new search