Convert British Thermal Units to Kilojoules
1 British thermal unit = 1.055056 kilojoules. Type any value below to convert in either direction — the calculation happens in your browser.
British Thermal Units to Kilojoules formula
Multiply the number of British thermal units by 1.055056 to get kilojoules.
kilojoules = British thermal units × 1.055056To go the other way: divide the number of kilojoules by 1.055056, or multiply by 0.9478171.
British thermal units = kilojoules ÷ 1.055056British Thermal Units to Kilojoules conversion table
| British Thermal Units | Kilojoules |
|---|---|
| 1 BTU | 1.055056 kJ |
| 2 BTU | 2.110112 kJ |
| 3 BTU | 3.165168 kJ |
| 4 BTU | 4.220223 kJ |
| 5 BTU | 5.275279 kJ |
| 6 BTU | 6.330335 kJ |
| 7 BTU | 7.385391 kJ |
| 8 BTU | 8.440447 kJ |
| 9 BTU | 9.495503 kJ |
| 10 BTU | 10.550559 kJ |
| 15 BTU | 15.825838 kJ |
| 20 BTU | 21.101117 kJ |
| 25 BTU | 26.376396 kJ |
| 30 BTU | 31.651676 kJ |
| 40 BTU | 42.202234 kJ |
| 50 BTU | 52.752793 kJ |
| 75 BTU | 79.129189 kJ |
| 100 BTU | 105.505585 kJ |
| 250 BTU | 263.763963 kJ |
| 500 BTU | 527.527926 kJ |
| 1,000 BTU | 1,055.056 kJ |
Kilojoules to British Thermal Units conversion table
| Kilojoules | British Thermal Units |
|---|---|
| 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 |
About the British thermal unit
A BTU is the energy needed to raise one pound of water by one degree Fahrenheit, about 1,055 joules.
About the kilojoule
A kilojoule is 1,000 joules and is how food energy is labelled in most of the world.
Frequently asked questions
How many kilojoules are in a British thermal unit?
There are 1.055056 kilojoules in one British thermal unit.
How many British thermal units are in a kilojoule?
There are 0.9478171 British thermal units in one kilojoule.
Is this conversion exact?
The ratio between the British thermal unit and the kilojoule is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 British thermal units in kilojoules?
10 British thermal units equals 10.550559 kilojoules.
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