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Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

3D Scanners

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

Mechanical Engineers Outlook

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

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

more free publications
 
British thermal unit (thermochemical)
Symbol:  Btu (therm.) 
Category:  Energy 
SI Equivalent:  1054.35 J
Dimension ML2T-2 
System:  UK 
Convert     Btu (therm.)  
1 Btu (therm.) =
Energy
  Symbol Unit Name
2.41837×1020  Eh  a.u. of energy 
1.72279×10-7  bboe  barrel oil equivalent 
1.72279×10-7  bboe  bboe (barrel oil equivalent) 
6.58073×1012  BeV  BeV (billion eV) 
0.999327  Btu (ISO)  British thermal unit (ISO) 
0.999331  Btu (IT)  British thermal unit (IT) 
0.99856  Btu (mean)  British thermal unit (mean) 
251.935  cal15  calorie (15°C) 
250.767  cal4  calorie (4°C) 
0.252237  Cal, kcal  Calorie (diet kilocalorie) 
251.831  cal (IT)  calorie (IT) (International Steam Table) 
251.634  calmean  calorie (mean) 
251.996  cal (therm.)  calorie (thermochemical) 
0.555161  Chu  Celsius-heat unit 
1054.35  C-V  coulomb volt 
1.04056×104  cm3-atm  cubic centimeter-atm 
0.367472  ft3-atm  cubic foot atm 
6.58073×1021  eV  electronvolt 
1.05435×1010  erg  erg 
777.649  ft-lbf  foot-pound force 
2.50201×104  ft-pdl  foot-poundal 
6.58073×1012  GeV  gigaelectronvolt 
251.831  gram-cal  gram calorie 
2.41837×1020  Eh  hartree 
3.92752×10-4  Hp-h  horsepower (550ft-lbf/s)-hour 
9331.78  in-lbf  inch pound force 
1054.35  J  joule 
0.251905  kcal15  kilocalorie (15°C) 
0.250767  kcal4  kilocalorie (4°C) 
6.58073×1018  keV  kiloelectronvolt 
1.05435  kJ  kilojoule 
2.52237×10-10  kt (TNT)  kiloton TNT equivalent 
2.92875×10-4  kWh  kilowatt-hour 
6.58073×1015  MeV  megaelectronvolt 
1.05435×10-3  MJ  megajoule 
2.52237×10-13  Mt (TNT)  megaton TNT equivalent 
1054.35  N-m  newton meter 
9.99384×10-19    Q unit 
9.99331×10-16  quad  quad 
9.99331×10-16  quad  quadrillion 
4.83675×1020  Ry  rydberg 
3.59969×10-8  tce  tce (tonne coal equivalent) 
9.99331×10-6    therm (EEG) 
9.9957×10-6    therm (US) 
2.51905×10-4  th15 °C  thermie (15°C) 
2.51815×10-8  toe  toe (tonne oil equivalent) 
2.52237×10-7  ton (TNT)  ton TNT equivalent 
3.59969×10-8  tce  tonne coal equivalent 
2.51815×10-8  toe  tonne oil equivalent 
0.292875  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
1.05435×1010  dyn-cm  dyne-centimeter 
1.07514×107  gf-cm  gram force-centimeter 
107.514  kgf-m  kilogram force-meter 
1.05435×105  N-cm  newton-centimeter 
1054.35  N-m  newton-meter 
1.49309×105  ozf-in  ounce force-inch 
777.649  lbf-ft  pound force-foot 
9331.78  lbf-in  pound force-inch 
2.50201×104  pdl-ft  poundal-foot 
Glossary
Essentials of Manufacturing

Information, coverage of important developments and expert commentary in manufacturing.

3D Scanners

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

Mechanical Engineers Outlook

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

STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.