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The values of the fundamental physical constants provided at this site are recommended for international use by CODATA and are the latest available.
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Constants Topics: Values: Energy Equivalents: Searchable...
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The values of the fundamental physical constants provided at...
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Information at the foundation of modern science and...
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Older values of the constants (2018 values) (2014 values)...
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Searchable bibliography on the constants. This bibliography...
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This database gives values of the basic constants and...
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Page 1 Source: Peter J. Mohr and Barry N. Taylor, CODATA...
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List of physical constants. 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.
Page 1 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). From: http://physics.nist.gov/constants
From: physics.nist.gov/constants Fundamental Physical Constants — Complete Listing Relative std. Quantity Symbol Value Unit uncert. ur UNIVERSAL speed of light in vacuum c;c0 299792458 m s−1 (exact) magnetic constant 0 4ˇ 10−7 NA−2 D12:566370614::: 10−7 NA−2 (exact) electric constant 1/ 0c2 "0 8:854187817::: 10−12 Fm−1 (exact ...
10 Ιουν 2009 · This database gives values of the basic constants and conversion factors of physics and chemistry resulting from the 2022 least-squares adjustment of the fundamental physical constants as published by the CODATA Task Group on Fundamental Constants and recommended for international use by CODATA.
FUNDAMENTAL PHYSICAL CONSTANTS. Bibliography: "CODATA Recommended Values of the Fundamental Physical Constants: 2014". NIST Standard Reference Database 121. Oct. 2016. Physical Measurement Laboratory of NIST. 10 Jan. 2017. <http://physics.nist.gov/cuu/Constants/>.
6.0221 x 10 23 mol -1. Charge of electron. e. Permeability of vacuum. Permittivity of vacuum. Coulomb constant.