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Math
 
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  
19.0 J =
Energy
  Symbol Unit Name
4.35805×1018  Eh  a.u. of energy 
3.10458×10-9  bboe  barrel oil equivalent 
3.10458×10-9  bboe  bboe (barrel oil equivalent) 
1.18589×1011  BeV  BeV (billion eV) 
1.80085×10-2  Btu (ISO)  British thermal unit (ISO) 
1.80085×10-2  Btu (IT)  British thermal unit (IT) 
1.79946×10-2  Btu (mean)  British thermal unit (mean) 
1.80206×10-2  Btu (therm.)  British thermal unit (thermochemical) 
4.54002  cal15  calorie (15°C) 
4.51897  cal4  calorie (4°C) 
4.54545×10-3  Cal, kcal  Calorie (diet kilocalorie) 
4.53814  cal (IT)  calorie (IT) (International Steam Table) 
4.53458  calmean  calorie (mean) 
4.54111  cal (therm.)  calorie (thermochemical) 
1.00043×10-2  Chu  Celsius-heat unit 
19  C-V  coulomb volt 
187.515  cm3-atm  cubic centimeter-atm 
6.62206×10-3  ft3-atm  cubic foot atm 
1.18589×1020  eV  electronvolt 
1.9×108  erg  erg 
14.0137  ft-lbf  foot-pound force 
450.877  ft-pdl  foot-poundal 
1.18589×1011  GeV  gigaelectronvolt 
4.53814  gram-cal  gram calorie 
4.35805×1018  Eh  hartree 
7.07762×10-6  Hp-h  horsepower (550ft-lbf/s)-hour 
168.164  in-lbf  inch pound force 
4.53948×10-3  kcal15  kilocalorie (15°C) 
4.51897×10-3  kcal4  kilocalorie (4°C) 
1.18589×1017  keV  kiloelectronvolt 
1.9×10-2  kJ  kilojoule 
4.54545×10-12  kt (TNT)  kiloton TNT equivalent 
5.27778×10-6  kWh  kilowatt-hour 
1.18589×1014  MeV  megaelectronvolt 
1.9×10-5  MJ  megajoule 
4.54545×10-15  Mt (TNT)  megaton TNT equivalent 
19  N-m  newton meter 
1.80095×10-20    Q unit 
1.80085×10-17  quad  quad 
1.80085×10-17  quad  quadrillion 
8.7161×1018  Ry  rydberg 
6.48686×10-10  tce  tce (tonne coal equivalent) 
1.80085×10-7    therm (EEG) 
1.80128×10-7    therm (US) 
4.53948×10-6  th15 °C  thermie (15°C) 
4.53786×10-10  toe  toe (tonne oil equivalent) 
4.54545×10-9  ton (TNT)  ton TNT equivalent 
6.48686×10-10  tce  tonne coal equivalent 
4.53786×10-10  toe  tonne oil equivalent 
5.27778×10-3  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
1.9×108  dyn-cm  dyne-centimeter 
1.93746×105  gf-cm  gram force-centimeter 
1.93746  kgf-m  kilogram force-meter 
1900  N-cm  newton-centimeter 
19  N-m  newton-meter 
2690.63  ozf-in  ounce force-inch 
14.0137  lbf-ft  pound force-foot 
168.164  lbf-in  pound force-inch 
450.877  pdl-ft  poundal-foot 
Glossary
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3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

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Learn the best principles to negotiate the salary you deserve!

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more publications