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Constants > Physics

Showing results 1 to 10 of 294, on page 1 of 30
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NAME SYMBOL VALUE
10-10 m
Absolute Entropy Constant S0/R -1.1517048(44) 
-1.1648678(44) 
Acceleration of Free Fall on Earth g 9.80665 m s-2
32.1740 ft s-2
Atomic Mass Unit amu
mu
u
1.66053873(13) × 10-27 kg
931.494013(37) MeV
1.49241778(12) × 10-10 J
Avogadro Constant NA 6.02214199(47) × 1023 mol-1
Bohr Magneton µB 9.27400899(37) × 10-24 J T-1
5.788381749(43) × 10-5 eV T-1
1.399624624(56) × 10
Bohr Radius a0 5.291772083(19) × 10-11 m
Boltzmann Constant k 1.3806503(24) × 10-23 J K-1
8.617342(15) × 10-5 eV K-1
2.0836644(36) × 1010
Characteristic Impedence of Vacuum Z0 376.730313461 Ω
Charge to Mass Quotient, Electron -e/me -1.758820174(71) × 1011 C kg-1
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