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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  
31.0 J =
Energy
  Symbol Unit Name
7.1105×1018  Eh  a.u. of energy 
5.06536×10-9  bboe  barrel oil equivalent 
5.06536×10-9  bboe  bboe (barrel oil equivalent) 
1.93487×1011  BeV  BeV (billion eV) 
2.93822×10-2  Btu (ISO)  British thermal unit (ISO) 
2.93823×10-2  Btu (IT)  British thermal unit (IT) 
2.93597×10-2  Btu (mean)  British thermal unit (mean) 
2.9402×10-2  Btu (therm.)  British thermal unit (thermochemical) 
7.40741  cal15  calorie (15°C) 
7.37305  cal4  calorie (4°C) 
7.41627×10-3  Cal, kcal  Calorie (diet kilocalorie) 
7.40433  cal (IT)  calorie (IT) (International Steam Table) 
7.39853  calmean  calorie (mean) 
7.40918  cal (therm.)  calorie (thermochemical) 
1.63228×10-2  Chu  Celsius-heat unit 
31  C-V  coulomb volt 
305.946  cm3-atm  cubic centimeter-atm 
1.08044×10-2  ft3-atm  cubic foot atm 
1.93487×1020  eV  electronvolt 
3.1×108  erg  erg 
22.8644  ft-lbf  foot-pound force 
735.641  ft-pdl  foot-poundal 
1.93487×1011  GeV  gigaelectronvolt 
7.40433  gram-cal  gram calorie 
7.1105×1018  Eh  hartree 
1.15477×10-5  Hp-h  horsepower (550ft-lbf/s)-hour 
274.373  in-lbf  inch pound force 
7.40652×10-3  kcal15  kilocalorie (15°C) 
7.37305×10-3  kcal4  kilocalorie (4°C) 
1.93487×1017  keV  kiloelectronvolt 
3.1×10-2  kJ  kilojoule 
7.41627×10-12  kt (TNT)  kiloton TNT equivalent 
8.61111×10-6  kWh  kilowatt-hour 
1.93487×1014  MeV  megaelectronvolt 
3.1×10-5  MJ  megajoule 
7.41627×10-15  Mt (TNT)  megaton TNT equivalent 
31  N-m  newton meter 
2.93839×10-20    Q unit 
2.93823×10-17  quad  quad 
2.93823×10-17  quad  quadrillion 
1.4221×1019  Ry  rydberg 
1.05838×10-9  tce  tce (tonne coal equivalent) 
2.93823×10-7    therm (EEG) 
2.93893×10-7    therm (US) 
7.40652×10-6  th15 °C  thermie (15°C) 
7.40387×10-10  toe  toe (tonne oil equivalent) 
7.41627×10-9  ton (TNT)  ton TNT equivalent 
1.05838×10-9  tce  tonne coal equivalent 
7.40387×10-10  toe  tonne oil equivalent 
8.61111×10-3  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
3.1×108  dyn-cm  dyne-centimeter 
3.16112×105  gf-cm  gram force-centimeter 
3.16112  kgf-m  kilogram force-meter 
3100  N-cm  newton-centimeter 
31  N-m  newton-meter 
4389.97  ozf-in  ounce force-inch 
22.8644  lbf-ft  pound force-foot 
274.373  lbf-in  pound force-inch 
735.641  pdl-ft  poundal-foot 
Glossary
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A white paper to assist in the evaluation of 3D scanning hardware solutions.

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