The NIST Reference on Constants, Units and Uncertainty

Fundamental Physical Constants
Constants
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Values
Energy
Equivalents
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Constants
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Constants,
Units &
Uncertainty
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standard atmosphere
 atm
 Numerical value  101 325 Pa
 Standard uncertainty  (exact)
  Relative standard uncertainty  (exact)
 Concise form  101 325 Pa    
 
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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