The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
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triton mass energy equivalent in MeV
 $m_{\rm t}c^2$
 Numerical value  2808.921 132 98 MeV
 Standard uncertainty     0.000 000 85 MeV
  Relative standard uncertainty  3.0 x 10-10
 Concise form  2808.921 132 98(85) MeV    
 
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

 
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