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]
atomic unit of electric field gradient
 $E_{\rm h}/ea_0^2$
 Numerical value  9.717 362 4424 x 1021 V m-2
 Standard uncertainty  0.000 000 0030 x 1021 V m-2
  Relative standard uncertainty  3.1 x 10-10
 Concise form  9.717 362 4424(30) x 1021 V m-2    
 
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

 
Go to a new search