Kilojoules to British Thermal Units
Convert kilojoules (kJ) to British thermal units (BTU). Type in either box; the other updates as you go.
How to convert kilojoules to British thermal units
To convert kilojoules to British thermal units, multiply the number of kilojoules by 0.9478171203.
Example
Convert 5 kilojoules to British thermal units:
Kilojoule to British thermal unit conversion chart
| Kilojoules (kJ) | British Thermal Units (BTU) |
|---|---|
| 1 kJ | 0.9478171 BTU |
| 2 kJ | 1.895634 BTU |
| 3 kJ | 2.843451 BTU |
| 4 kJ | 3.791268 BTU |
| 5 kJ | 4.739086 BTU |
| 6 kJ | 5.686903 BTU |
| 7 kJ | 6.63472 BTU |
| 8 kJ | 7.582537 BTU |
| 9 kJ | 8.530354 BTU |
| 10 kJ | 9.478171 BTU |
| 12 kJ | 11.37381 BTU |
| 15 kJ | 14.21726 BTU |
| 20 kJ | 18.95634 BTU |
| 25 kJ | 23.69543 BTU |
| 30 kJ | 28.43451 BTU |
| 40 kJ | 37.91268 BTU |
| 50 kJ | 47.39086 BTU |
| 60 kJ | 56.86903 BTU |
| 70 kJ | 66.3472 BTU |
| 75 kJ | 71.08628 BTU |
| 80 kJ | 75.82537 BTU |
| 90 kJ | 85.30354 BTU |
| 100 kJ | 94.78171 BTU |
| 150 kJ | 142.1726 BTU |
| 200 kJ | 189.5634 BTU |
| 250 kJ | 236.9543 BTU |
| 500 kJ | 473.9086 BTU |
| 1,000 kJ | 947.8171 BTU |
Going the other way? See the British thermal units to kilojoules chart.
About the units
Kilojoule (kJ)
A kilojoule is 1,000 joules. Food labels in Australia and Europe give energy in kJ next to kcal.
British Thermal Unit (BTU)
A British thermal unit (International Table) is about 1,055 joules, the heat that warms one pound of water by one degree Fahrenheit.
Frequently asked questions
How many British thermal units are in a kilojoule?
There are 0.9478171203 British thermal units in a kilojoule.
How many kilojoules are in a British thermal unit?
There are 1.055055853 kilojoules in a British thermal unit.
How do you convert kilojoules to British thermal units?
To convert kilojoules to British thermal units, multiply the number of kilojoules by 0.9478171203.
What is 5 kilojoules in British thermal units?
5 kilojoules equals 4.73909 British thermal units.
Convert between joules, calories, kilocalories, kilowatt-hours and BTU. Open the energy converter to see a value in every unit at once.