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]
kilogram-atomic mass unit relationship
$1 \ {\rm kg}$
 Value  6.022 140 857 x 1026 u
 Standard uncertainty  0.000 000 074 x 1026 u
  Relative standard uncertainty   1.2 x 10-8
 Concise form  6.022 140 857(74) x 1026 u    
 
Click here for correlation coefficient of this constant with other constants
Source: 2014 CODATA     
recommended values 		 Definition of
uncertainty 		      Correlation coefficient with
any other constant

 
Go to a new search