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
characteristic impedance of vacuum
 $ Z_0 = \sqrt{\mu_0/\epsilon_0} = \mu_0c$
 Numerical value  376.730 313 668 OmegaRed
 Standard uncertainty    0.000 000 057 Omega
  Relative standard uncertainty  1.5 x 10-10
 Concise form  376.730 313 668(57) Omega    
 
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