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joule
Symbol:  J 
Category:  Energy 
SI Equivalent:  1 J
Dimension ML2T-2 
System:  SI 
 
Notes
Named after the English physicist James Prescott Joule (1818-1889), the joule is the basic unit of work or energy in the SI system. It is equal to the work done by a force of 1 newton with the point of application displaced by 1 meter in the direction of the force.
Convert     J  
1 J =
Energy
  Symbol Unit Name
2.29371×1017  Eh  a.u. of energy 
1.63399×10-10  bboe  barrel oil equivalent 
1.63399×10-10  bboe  bboe (barrel oil equivalent) 
6.2415×109  BeV  BeV (billion eV) 
9.47813×10-4  Btu (ISO)  British thermal unit (ISO) 
9.47813×10-4  Btu (IT)  British thermal unit (IT) 
9.47086×10-4  Btu (mean)  British thermal unit (mean) 
9.48452×10-4  Btu (therm.)  British thermal unit (thermochemical) 
0.238949  cal15  calorie (15°C) 
0.23784  cal4  calorie (4°C) 
2.39234×10-4  Cal, kcal  Calorie (diet kilocalorie) 
0.238849  cal (IT)  calorie (IT) (International Steam Table) 
0.238662  calmean  calorie (mean) 
0.239006  cal (therm.)  calorie (thermochemical) 
5.26543×10-4  Chu  Celsius-heat unit 
C-V  coulomb volt 
9.86923  cm3-atm  cubic centimeter-atm 
3.48529×10-4  ft3-atm  cubic foot atm 
6.2415×1018  eV  electronvolt 
10×106  erg  erg 
0.737561  ft-lbf  foot-pound force 
23.7304  ft-pdl  foot-poundal 
6.2415×109  GeV  gigaelectronvolt 
0.238849  gram-cal  gram calorie 
2.29371×1017  Eh  hartree 
3.72506×10-7  Hp-h  horsepower (550ft-lbf/s)-hour 
8.85073  in-lbf  inch pound force 
2.3892×10-4  kcal15  kilocalorie (15°C) 
2.3784×10-4  kcal4  kilocalorie (4°C) 
6.2415×1015  keV  kiloelectronvolt 
1×10-3  kJ  kilojoule 
2.39234×10-13  kt (TNT)  kiloton TNT equivalent 
2.77778×10-7  kWh  kilowatt-hour 
6.2415×1012  MeV  megaelectronvolt 
1×10-6  MJ  megajoule 
2.39234×10-16  Mt (TNT)  megaton TNT equivalent 
N-m  newton meter 
9.47867×10-22    Q unit 
9.47813×10-19  quad  quad 
9.47813×10-19  quad  quadrillion 
4.58743×1017  Ry  rydberg 
3.41413×10-11  tce  tce (tonne coal equivalent) 
9.47813×10-9    therm (EEG) 
9.48047×10-9    therm (US) 
2.3892×10-7  th15 °C  thermie (15°C) 
2.38834×10-11  toe  toe (tonne oil equivalent) 
2.39234×10-10  ton (TNT)  ton TNT equivalent 
3.41413×10-11  tce  tonne coal equivalent 
2.38834×10-11  toe  tonne oil equivalent 
2.77778×10-4  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
10×106  dyn-cm  dyne-centimeter 
1.01972×104  gf-cm  gram force-centimeter 
0.101972  kgf-m  kilogram force-meter 
100  N-cm  newton-centimeter 
1  N-m  newton-meter 
141.612  ozf-in  ounce force-inch 
0.737561  lbf-ft  pound force-foot 
8.85073  lbf-in  pound force-inch 
23.7304  pdl-ft  poundal-foot 
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