Conversion Table cgs / SI- Units

  cgs Conv.- Factor SI
Distance cm =10-2 m
Mass g =10-3 kg
Time sec = sec
Force dyne =10-5 Newton
Energy erg =10-7 Joule
Charge esu =3.336.10-10 Coulomb
El. Potential statvolt =299.8 Volt
Magnetic Field Gauss =10-4 Tesla
  Further units:
1 eV = 1.602.10-12 erg
1 Ry = 13.6 eV (ionization energy of hydrogen)
1 eV = k.11605oK

Important Physical Constants

Speed of Light: c= 2.998.1010 cm/sec
Gravitational Constant: G= 6.673.10-8 dyne.cm2/g2
Planck Constant: h= 6.6262.10-27 erg.sec
Elementary Charge: e= 4.8032.10-10 esu
Atomic Mass Unit: M= 1.6605.10-24 g
Electron Mass: m= 9.1095.10-28 g
Boltzmann Constant: k= 1.3803.10-16 erg/deg


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Thomas Smid (M.Sc. Physics, Ph.D. Astronomy)
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