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]
Correlation coefficient between two constants
reduced Planck constant
 $\hbar$
 Numerical value  1.054 571 817...  x 10-34 J s
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  1.054 571 817... x 10-34 J s    
 
Source: 2018 CODATA     
recommended values
 
Definition of
uncertainty
 
      Correlation coefficient with
any other constant

 
Go to New Search
hbarXXXYYY