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British thermal unit (mean) 
Symbol:  Btu (mean) 
Category:  Energy 
SI Equivalent:  1055.87 J
Dimension:  ML2T-2 
System:  UK 
Notes
Equals to 1/180 of the heat needed to raise the temperature of one pound of air-free water from 32°F to 212°F at 1 atm (101325 Pa).
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Convert     Btu (mean)  
59 conversions, showing those commonly used | Show all
1 Btu (mean) = 
Energy
  Symbol Unit Name
1.72528×10-7  bboe  barrel oil equivalent 
1.00077  Btu (IT)  British thermal unit (IT) 
1.00144  Btu (therm.)  British thermal unit (thermochemical) 
0.2526  Cal, kcal  Calorie (diet kilocalorie) 
251.996  calmean  calorie (mean) 
252.359  cal (therm.)  calorie (thermochemical) 
6.59022×1021  eV  electronvolt 
1.05587×1010  erg  erg 
778.77  ft-lbf  foot-pound force 
2.50562×104  ft-pdl  foot-poundal 
3.93318×10-4  Hp-h  horsepower (550ft-lbf/s)-hour 
1055.87  J  joule 
0.252269  kcal15  kilocalorie (15°C) 
0.251129  kcal4  kilocalorie (4°C) 
1.05587  kJ  kilojoule 
2.526×10-10  kt (TNT)  kiloton TNT equivalent 
2.93297×10-4  kWh  kilowatt-hour 
6.59022×1015  MeV  megaelectronvolt 
1.05587×10-3  MJ  megajoule 
2.526×10-13  Mt (TNT)  megaton TNT equivalent 
3.60488×10-8  tce  tce (tonne coal equivalent) 
1.00101×10-5    therm (US) 
2.526×10-7  ton (TNT)  ton TNT equivalent 
0.293297  Wh  watt hour 
more...
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