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Fundamental Constants


Name Symbol Value
Avogadro's Number N 6.022 · 1023
Pi π 3.1415927
Faraday's Constant F=Ne 9.64853414 · 104
Gas Constant R 8.314472 J · K-1 · mol-1
Planck's Constant h 6.626068 · 10-34 J-s
Speed of Light c 299 792 458 m / s
Acceleration due to gravity
(at sea level)
g 9.80665 m/s2
Boltzmann's Constant kB 1.3806503 · 10-23 m2 kg s-2 K-1
Electron Charge e 1.60217733 · 10-19 C
Electron Mass me 9.10938188 · 10-28 g
Proton Mass mp 1.00727646 · 10-24 g
Neutron Mass mn 1.00866492 · 10-24 g






Unit Conversions


Unit Unit
101.325 Joule 1 L-atm
1 Joule 1 kg-m2/s2
1 Joule 0.2390 Calories
1 Calorie 4.184 Joules
1 eV 1.602 · 10-19 Joules





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