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 symbol for equation
second radiation constant
 $c_2$
 Numerical value  1.438 776 877...  x 10-2 m K
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  1.438 776 877... x 10-2 m K    
 
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