Constants
Topics:
Values
Energy
Equivalents
Searchable
Bibliography
Background
Constants
Bibliography
Constants,
Units &
Uncertainty
home page
Correlation coefficient between two constants
atomic mass constant energy equivalent in MeV
Numerical value
931.494 102 42 MeV
Standard uncertainty
0.000 000 28 MeV
Relative standard uncertainty
3.0 x 10
-10
Concise form
931.494 102 42(28) MeV
Source: 2018 CODATA
recommended values
Definition of
uncertainty
Correlation coefficient with
any other constant
 
Select the
second
constant in the pair
(e.g,
electron mass
, misspellings okay)
Search
by name
Or
browse the complete constants list
Click
here
to re-select the
first
constant