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Correlation coefficient between two constants
atomic unit of velocity
Numerical value
2.187 691 263 64 x 10
6
m s
-1
Standard uncertainty
0.000 000 000 33 x 10
6
m s
-1
Relative standard uncertainty
1.5 x 10
-10
Concise form
2.187 691 263 64(33) x 10
6
m s
-1
Source: 2018 CODATA
recommended values
Definition of
uncertainty
Correlation coefficient with
any other constant
 
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