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Celsius-heat unit
Symbol:  Chu 
Category:  Energy 
SI Equivalent:  1899.18 J
Dimension ML2T-2 
System:  UK, US 
Heat unit representing the energy needed to raise 1 pound of air-free water by 1°C at the constant pressure of 1 atm.
Convert     Chu  
1 Chu =
  Symbol Unit Name
4.35617×1020  Eh  a.u. of energy 
3.10324×10-7  bboe  barrel oil equivalent 
3.10324×10-7  bboe  bboe (barrel oil equivalent) 
1.18537×1013  BeV  BeV (billion eV) 
1.80007  Btu (ISO)  British thermal unit (ISO) 
1.80008  Btu (IT)  British thermal unit (IT) 
1.79869  Btu (mean)  British thermal unit (mean) 
1.80128  Btu (therm.)  British thermal unit (thermochemical) 
453.806  cal15  calorie (15°C) 
451.702  cal4  calorie (4°C) 
0.454349  Cal, kcal  Calorie (diet kilocalorie) 
453.618  cal (IT)  calorie (IT) (International Steam Table) 
453.263  calmean  calorie (mean) 
453.915  cal (therm.)  calorie (thermochemical) 
1899.18  C-V  coulomb volt 
1.87435×104  cm3-atm  cubic centimeter-atm 
0.66192  ft3-atm  cubic foot atm 
1.18537×1022  eV  electronvolt 
1.89918×1010  erg  erg 
1400.76  ft-lbf  foot-pound force 
4.50682×104  ft-pdl  foot-poundal 
1.18537×1013  GeV  gigaelectronvolt 
453.618  gram-cal  gram calorie 
4.35617×1020  Eh  hartree 
7.07456×10-4  Hp-h  horsepower (550ft-lbf/s)-hour 
1.68092×104  in-lbf  inch pound force 
1899.18  J  joule 
0.453752  kcal15  kilocalorie (15°C) 
0.451702  kcal4  kilocalorie (4°C) 
1.18537×1019  keV  kiloelectronvolt 
1.89918  kJ  kilojoule 
4.54349×10-10  kt (TNT)  kiloton TNT equivalent 
5.2755×10-4  kWh  kilowatt-hour 
1.18537×1016  MeV  megaelectronvolt 
1.89918×10-3  MJ  megajoule 
4.54349×10-13  Mt (TNT)  megaton TNT equivalent 
1899.18  N-m  newton meter 
1.80017×10-18    Q unit 
1.80008×10-15  quad  quad 
1.80008×10-15  quad  quadrillion 
8.71234×1020  Ry  rydberg 
6.48406×10-8  tce  tce (tonne coal equivalent) 
1.80008×10-5    therm (EEG) 
1.80051×10-5    therm (US) 
4.53752×10-4  th15 °C  thermie (15°C) 
4.5359×10-8  toe  toe (tonne oil equivalent) 
4.54349×10-7  ton (TNT)  ton TNT equivalent 
6.48406×10-8  tce  tonne coal equivalent 
4.5359×10-8  toe  tonne oil equivalent 
0.52755  Wh  watt hour 
Moment, Torque
  Symbol Unit Name
1.89918×1010  dyn-cm  dyne-centimeter 
1.93662×107  gf-cm  gram force-centimeter 
193.662  kgf-m  kilogram force-meter 
1.89918×105  N-cm  newton-centimeter 
1899.18  N-m  newton-meter 
2.68947×105  ozf-in  ounce force-inch 
1400.76  lbf-ft  pound force-foot 
1.68092×104  lbf-in  pound force-inch 
4.50682×104  pdl-ft  poundal-foot