Kilojoule to British thermal unit (IT) Converter
1 kilojoule is about 0.9478171203 British thermal units. Convert kilojoules (kJ) to British thermal units (BTU) below: type a value and the result updates as you type.
kJ to BTU calculator
Result
Kilojoule to British thermal unit (IT) conversion
1 kJ ≈ 0.9478171203 BTUone kilojoule in British thermal units
1 BTU = 1.05505585262 kJone British thermal unit in kilojoules
Kilojoule (kJ): Exactly 1000 joules.
British thermal unit (IT) (BTU): International Table BTU: exactly 1055.05585262 joules.
Source:Kilojoule: SI Brochure, 9th edition (BIPM, 2019); British thermal unit (IT): NIST Special Publication 811 (2008), Appendix B.8
How to convert kilojoules to British thermal units
To convert kilojoules to British thermal units, divide the number of kilojoules by 1.05505585262.
Formula
BTU = kJ ÷ 1.05505585262
Examples
- 5 kJ = 5 ÷ 1.05505585262 ≈ 4.739085602 BTU
- 25 kJ = 25 ÷ 1.05505585262 ≈ 23.69542801 BTU
- 100 kJ = 100 ÷ 1.05505585262 ≈ 94.78171203 BTU
Kilojoule to British thermal unit (IT) conversion table
| Kilojoule (kJ) | British thermal unit (IT) (BTU) |
|---|---|
| 0.1 kJ | 0.09478171203 BTU |
| 0.5 kJ | 0.4739085602 BTU |
| 1 kJ | 0.9478171203 BTU |
| 2 kJ | 1.895634241 BTU |
| 3 kJ | 2.843451361 BTU |
| 5 kJ | 4.739085602 BTU |
| 10 kJ | 9.478171203 BTU |
| 20 kJ | 18.95634241 BTU |
| 25 kJ | 23.69542801 BTU |
| 50 kJ | 47.39085602 BTU |
| 100 kJ | 94.78171203 BTU |
| 250 kJ | 236.9542801 BTU |
| 500 kJ | 473.9085602 BTU |
| 1000 kJ | 947.8171203 BTU |
Values rounded to 10 significant digits where needed.
Frequently asked questions
- How many British thermal units are in one kilojoule?
- One kilojoule is about 0.9478171203 British thermal units.
- How do I convert British thermal units to kilojoules?
- To convert British thermal units to kilojoules, multiply the number of British thermal units by 1.05505585262. The formula is kJ = BTU × 1.05505585262.
- Is this conversion exact?
- Yes. Both units have exact definitions and the factor 1.05505585262 is exact. Displayed results are only rounded when they have many decimal places.
- Which is larger, a kilojoule or a British thermal unit?
- A British thermal unit is 1.05505585262 times larger than a kilojoule. In other words, a kilojoule is about 0.9478171203 of a British thermal unit.