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Page 3 Source: Peter J. Mohr and Barry N. Taylor, CODATA Recommended Values of the Fundamental Physical Constants: 2002, published in Review of Modern Physics 77, 1 (2005).
The constants listed here are known values of physical constants expressed in SI units; that is, physical quantities that are generally believed to be universal in nature and thus are independent of the unit system in which they are measured.
0¯hc α 7.2973525698(24)×10−3 3.2×10−10 inverse fine-structure constant α−1 137.035999074(44) 3.2×10−10 Rydberg constant α2m ec/2h R ∞ 10973731.568539(55) m−1 5.0×10−12 Avogadro constant N A,L 6.02214129(27)×1023 mol−1 4.4×10−8 Faraday constant N Ae F 96485.3365(21) C mol−1 2.2×10−8
physicists with authoritative guidance on the use of symbols, units and nomenclature. As such, it is cited as a primary reference by the IUPAC ‘Green Book’ (Quantities, Units and Symbols in
k k G µ 8.854187817 h Fundamental Physical Constants Quantity Symbol Value Avogadro’s number N A 6.02214129(27) × 10 23 / mol Boltzmann’s constant B 1.3806488(13) × 10 −23 J/K Coulomb constant =1/ 4πε
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1.3 Physical constants The following 1998 CODATA recommended values for the fundamental physical constants can also be found on the Web at physics.nist.gov/constants.
