Kilojoule (kJ)
A kilojoule is one thousand joules — the metric counterpart to the kilocalorie on food labels.
Kilojoules appear on Australian and European nutrition labels alongside or instead of kilocalories.
Kilojoule to British Thermal Unit (IT)
Convert kilojoule to british thermal unit (it) instantly. Type in either field — results update live.
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Energy Kilojoule British Thermal Unit (IT)
1 kilojoule = 0.9478171203 BTU (IT)
Unit
Unit
Conversion table
Selected kJ values converted to Btu (IT) using the exact factor from this tool.
| kJ | Btu (IT) |
|---|---|
| 0.01 | 0.0094781712 |
| 0.1 | 0.094781712 |
| 1 | 0.9478171203 |
| 2 | 1.8956342406 |
| 3 | 2.8434513609 |
| 5 | 4.7390856016 |
| 10 | 9.4781712031 |
| 20 | 18.9563424063 |
| 50 | 47.3908560157 |
| 100 | 94.7817120313 |
| 1,000 | 947.8171203133 |
How to convert
Exact conversion factors in both directions, plus a worked example.
1 kJ = 0.9478171203 Btu (IT)
1 Btu (IT) = 1.0550558526 kJ
To convert kilojoule to british thermal unit (it), multiply by 0.9478171203.
To convert british thermal unit (it) to kilojoule, multiply by 1.0550558526.
Example: convert 10 kJ to Btu (IT)
10 × 0.9478171203 = 9.4781712031 Btu (IT)
About these units
Short background on the units used in this conversion.
British Thermal Unit (IT) (Btu (IT))
The British thermal unit (IT) is 1,055.05585262 joules — the heat to raise one pound of water by 1°F (International Table).
BTU rates HVAC heating and cooling capacity, natural-gas appliances, and US energy consumption.
Frequently asked questions
How many BTU (IT) are in one kilojoule?
One kilojoule equals 0.9478171203 BTU (IT). Multiply your kilojoules value by 0.9478171203 to convert to BTU (IT).
What is the conversion formula?
Btu (IT) = kJ × 0.9478171203The reverse is
kJ = Btu (IT) × 1.0550558526, using the same exact factors as this converter.Is this Kilojoule to British Thermal Unit (IT) converter private?
Yes. All calculations run locally in your browser. Nothing you type is sent to a server.
All kilojoule conversions
Jump to any energy conversion starting from kilojoule — including the reverse direction and every other unit in our dataset.
british thermal unit (it) (Btu (IT)) → kilojoule (kJ)
kilojoule (kJ) → joule (J)kilojoule (kJ) → megajoule (MJ)kilojoule (kJ) → gigajoule (GJ)kilojoule (kJ) → kilowatt-hour (kW·h)kilojoule (kJ) → watt-hour (W·h)kilojoule (kJ) → calorie (nutritional / food calorie) (Cal)kilojoule (kJ) → kilocalorie (it) (kcal (IT))kilojoule (kJ) → kilocalorie (thermochemical) (kcal (th))kilojoule (kJ) → calorie (it) (cal (IT))kilojoule (kJ) → calorie (thermochemical) (cal (th))kilojoule (kJ) → british thermal unit (thermochemical) (Btu (th))kilojoule (kJ) → foot-pound (ft·lbf)kilojoule (kJ) → newton meter (N·m)kilojoule (kJ) → horsepower hour (mechanical) (hp·h)kilojoule (kJ) → horsepower (metric) hour (metric hp·h)kilojoule (kJ) → millijoule (mJ)kilojoule (kJ) → microjoule (µJ)kilojoule (kJ) → nanojoule (nJ)kilojoule (kJ) → attojoule (aJ)kilojoule (kJ) → megaelectron-volt (MeV)kilojoule (kJ) → kiloelectron-volt (keV)kilojoule (kJ) → electron-volt (eV)kilojoule (kJ) → ergkilojoule (kJ) → gigawatt-hour (GW·h)kilojoule (kJ) → megawatt-hour (MW·h)kilojoule (kJ) → kilowatt-second (kW·s)kilojoule (kJ) → watt-second (W·s)kilojoule (kJ) → mega british thermal unit (it) (MBtu (IT))kilojoule (kJ) → ton-hour (refrigeration) (ton·h)kilojoule (kJ) → fuel oil equivalent @ kiloliter (kL oil eq)kilojoule (kJ) → fuel oil equivalent @ barrel (us) (bbl oil eq)kilojoule (kJ) → gigaton (tnt) (Gton)kilojoule (kJ) → megaton (tnt) (Mton)kilojoule (kJ) → kiloton (tnt) (kton)kilojoule (kJ) → ton (explosives / tnt) (ton TNT)kilojoule (kJ) → dyne centimeter (dyn·cm)kilojoule (kJ) → gram-force meter (gf·m)kilojoule (kJ) → gram-force centimeter (gf·cm)kilojoule (kJ) → kilogram-force centimeter (kgf·cm)kilojoule (kJ) → kilogram-force meter (kgf·m)kilojoule (kJ) → kilopond meter (kp·m)kilojoule (kJ) → pound-force foot (lbf·ft)kilojoule (kJ) → pound-force inch (lbf·in)kilojoule (kJ) → ounce-force inch (ozf·in)kilojoule (kJ) → inch-pound (in·lbf)kilojoule (kJ) → inch-ounce (in·ozf)kilojoule (kJ) → poundal foot (pdl·ft)kilojoule (kJ) → thermkilojoule (kJ) → therm (ec)kilojoule (kJ) → therm (us)kilojoule (kJ) → hartree energy (Eh)kilojoule (kJ) → rydberg constant (Ry)