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BTU (IT) to Kilojoule

1 BTU = 1.0550559 kJ

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0

Angle unit

Precision & format
10

1 BTU equals

1.055055853kJ

All 21 units
  • JouleJ
    1,055.055853
  • KilojoulekJ
    1.055055853
  • MegajouleMJ
    0.001055055853
  • GigajouleGJ
    0.000001055055853
  • MillijoulemJ
    1,055,055.853
  • Calorie (thermochemical)cal
    exactly 4.184 J
    252.1644007
  • Kilocalorie (thermochemical)kcal
    food Calorie
    0.2521644007
  • Calorie (IT)cal (IT)
    International Table
    251.9957611
  • Kilocalorie (IT)kcal (IT)
    0.2519957611
  • Watt-hourWh
    0.2930710702
  • Kilowatt-hourkWh
    0.0002930710702
  • Megawatt-hourMWh
    2.930710702 × 10⁻⁷
  • BTU (IT)BTU
    International Table
    1
  • BTU (thermochemical)BTU (th)
    1.000669216
  • Therm (US)thm
    100 000 BTU
    0.00001000238767
  • Foot-poundft·lbf
    778.1692623
  • Ergerg
    10,550,558,530
  • ElectronvolteV
    6.585140678 × 10²¹
  • KiloelectronvoltkeV
    6.585140678 × 10¹⁸
  • MegaelectronvoltMeV
    6.585140678 × 10¹⁵
  • Tonne of oil equivalenttoe
    2.519957611 × 10⁻⁸

BTU (IT) to Kilojoule table

Common BTU (IT) values converted to Kilojoule
BTU (IT) (BTU)Kilojoule (kJ)
11.0550559
22.1101117
55.2752793
1010.550559
2021.101117
5052.752793
100105.50559
250263.76396
500527.52793
1,0001,055.0559

How the conversion works

Multiply the btu (it) figure by 1.055055853 to get kilojoule. Every factor on this site is anchored to the SI base unit for energy, so the same number is used everywhere it appears.

Going the other way, 1 kJ = 0.94781712 BTU — see kilojoule to btu (it).

See all 21 energy units →

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