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Progenitor & Webmaster

Click here to read about RF CafeKirt Blattenberger
BSEE
KB3UON
EIEIO

Carpe Diem!
(Seize the Day!)

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My daughter Sally's horse riding website

Physical Constants

The list presented below contains physical constants not specifically related to electricity or magnetism.

* : Reduced Planck constant, = h/2π

Visit NIST for all constants, units, and uncertainties.

This is their Extensive Listing of constants

Here is a table of physical units.








Name Symbol Value
Alpha Particle Mass mα 6.644 656 5 x 10-27  kg
Alpha Particle Molar Mass Mα 4.001 506 179 149 x10-3  kg/mol
Atomic Mass Unit mu 1.492 417 90 x 10-10  J
1.660 538 86 x 10-27  kg
7.513 006 608 x 1014  1/m
2.252 342 718 x 1023  Hz
1.080 952 7 x 1013  K
Avogadro N0 6.022 0 x 1023  molecules/mol
Bohr Radius a0 0.529 177 2108 x 10-10  m
Boltzmann k 1.380 7 x 10-23  J/K
Deuteron Mass md 3.343 583 35 x 10-27  kg
Deuteron Molar Mass Md 2.013 553 212 70 x 10-3  kg/mol
Electron Rest Mass me 9.109 382 6 x 10-31  kg
Fine Structure α e2/4·π·ε0··c
7.297 352 568 x 10-3
Gravitational G 6.672 0 x 10-11  N·m2/kg2
3.449 0 x 10-8  lb·ft2/slug2
Fermi Coupling GF/·c 1.166 39 x 10-5  1/GeV2
Mass-Energy Ratio c2 8.987 6 x 1016  J/kg
Muon Magnetic Moment   -4.490 447 99 x 10-26  J/T
Muon Mass mμ 1.883 531 40 x x10-28  kg
Muon Molar Mass Mμ 0.113 428 9264 x 10-3  kg/mol
Planck* h 6.626 2 x 10-34  J·s
Planck Length lP 1.616 24 x 10-35  m
Planck Mass mP 2.176 45x 10-8  kg
Planck Temperature TP 1.416 79 x 1032  K
Planck Time tP 5.391 21 x 10-44  s
Proton Rest Mass mp 1.672 621 71 x 10-27  kg
Rydberg R 10 973 731.568 525  1/m
3.289 841 960 360 x 1015  Hz
2.179 872 09 x 10-15  J
13.605 6923  eV
Speed of Light (in vacuum) c 2.997 9 x 108  m/s
Stefan Boltzmann s 5.670 3 x 10-8  W/(m2·K4)
Tau Mass mτ 3.167 77 x 10-27  kg
Tau Molar Mass Mτ 1.907 68 x 10-3  kg/mol
Thomson Cross Section σe 0.665 245 873 x 10-28  m2
Unified Atomic Mass   1.660 538 86 x 10-27  kg
Universal Gas R 8.314 4  J/(mol·K)
Volume of Ideal Gas (@STP) V 2.241 4 x 10-2  m3/mol
Weak Mixing Angle θW 0.222 15  rad
Wien Displacement Law   2.897 7685 x 10-3  m·K

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