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Injection Molding Design Guide

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

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

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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  
25.1 J =
Energy
  Symbol Unit Name
5.75721×1018  Eh  a.u. of energy 
4.10131×10-9  bboe  barrel oil equivalent 
4.10131×10-9  bboe  bboe (barrel oil equivalent) 
1.56662×1011  BeV  BeV (billion eV) 
2.37901×10-2  Btu (ISO)  British thermal unit (ISO) 
2.37902×10-2  Btu (IT)  British thermal unit (IT) 
2.37719×10-2  Btu (mean)  British thermal unit (mean) 
2.38061×10-2  Btu (therm.)  British thermal unit (thermochemical) 
5.99761  cal15  calorie (15°C) 
5.96979  cal4  calorie (4°C) 
6.00478×10-3  Cal, kcal  Calorie (diet kilocalorie) 
5.99512  cal (IT)  calorie (IT) (International Steam Table) 
5.99042  calmean  calorie (mean) 
5.99904  cal (therm.)  calorie (thermochemical) 
1.32162×10-2  Chu  Celsius-heat unit 
25.1  C-V  coulomb volt 
247.718  cm3-atm  cubic centimeter-atm 
8.74808×10-3  ft3-atm  cubic foot atm 
1.56662×1020  eV  electronvolt 
2.51×108  erg  erg 
18.5128  ft-lbf  foot-pound force 
595.632  ft-pdl  foot-poundal 
1.56662×1011  GeV  gigaelectronvolt 
5.99512  gram-cal  gram calorie 
5.75721×1018  Eh  hartree 
9.3499×10-6  Hp-h  horsepower (550ft-lbf/s)-hour 
222.154  in-lbf  inch pound force 
5.99689×10-3  kcal15  kilocalorie (15°C) 
5.96979×10-3  kcal4  kilocalorie (4°C) 
1.56662×1017  keV  kiloelectronvolt 
2.51×10-2  kJ  kilojoule 
6.00478×10-12  kt (TNT)  kiloton TNT equivalent 
6.97222×10-6  kWh  kilowatt-hour 
1.56662×1014  MeV  megaelectronvolt 
2.51×10-5  MJ  megajoule 
6.00478×10-15  Mt (TNT)  megaton TNT equivalent 
25.1  N-m  newton meter 
2.37915×10-20    Q unit 
2.37902×10-17  quad  quad 
2.37902×10-17  quad  quadrillion 
1.15144×1019  Ry  rydberg 
8.56948×10-10  tce  tce (tonne coal equivalent) 
2.37902×10-7    therm (EEG) 
2.37959×10-7    therm (US) 
5.99689×10-6  th15 °C  thermie (15°C) 
5.99475×10-10  toe  toe (tonne oil equivalent) 
6.00478×10-9  ton (TNT)  ton TNT equivalent 
8.56948×10-10  tce  tonne coal equivalent 
5.99475×10-10  toe  tonne oil equivalent 
6.97222×10-3  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
2.51×108  dyn-cm  dyne-centimeter 
2.55949×105  gf-cm  gram force-centimeter 
2.55949  kgf-m  kilogram force-meter 
2510  N-cm  newton-centimeter 
25.1  N-m  newton-meter 
3554.46  ozf-in  ounce force-inch 
18.5128  lbf-ft  pound force-foot 
222.154  lbf-in  pound force-inch 
595.632  pdl-ft  poundal-foot 
Glossary
FREE Publications
Injection Molding Design Guide

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

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

Metal 3D Printing Design Guide

Direct Metal Laser Sintering (DMLS) 3D printing for parts with reduced cost and little waste.

Selecting the Right 3D Printer

Discover how to choose the right 3D printer for your needs and the key performance attributes to consider.

more publications