NameAbbreviationValue
Avogadro’s numberNA6.02 x 10+23 molecules mole–1
Universal gas constantR8.314 J mol–1 K–1
Bolzmann’s constantkB1.38 x 10–23 J K–1
Planck’s constanth6.63 x 10–34 J s
Faraday’s constantF96,485 J mol–1 V–1
Electron chargee1.60 x 10–19 J V–1

Conversion FactorValue
kJ to kcal4.1868
kcal to kJ0.2388
mmol to mol
µmol to mmol
nmol to µmol
0.001
mol to mmol
mmol to µmol
µmol to nmol
1000
C to KK = C + 273.15
C to FC = (F − 32) 5/9
F to CF = 5/9 (C) + 32