Convert kilojoules to British thermal units
Kilojoule (kJ) to British thermal unit (BTU). One kilojoule equals 0.947817 British thermal units.
Formula
Kilojoule to British thermal unit conversion table
| Kilojoules | British thermal units | British thermal units | Kilojoules |
|---|---|---|---|
| 1 kJ | 0.947817 BTU | 1 BTU | 1.0551 kJ |
| 2 kJ | 1.8956 BTU | 2 BTU | 2.1101 kJ |
| 3 kJ | 2.8435 BTU | 3 BTU | 3.1652 kJ |
| 5 kJ | 4.7391 BTU | 5 BTU | 5.2753 kJ |
| 10 kJ | 9.4782 BTU | 10 BTU | 10.5506 kJ |
| 20 kJ | 18.9563 BTU | 20 BTU | 21.1011 kJ |
| 50 kJ | 47.3909 BTU | 50 BTU | 52.7528 kJ |
| 100 kJ | 94.7817 BTU | 100 BTU | 105.51 kJ |
| 500 kJ | 473.91 BTU | 500 BTU | 527.53 kJ |
| 1000 kJ | 947.82 BTU | 1000 BTU | 1055.06 kJ |
To convert kilojoules to British thermal units, divide the number of kilojoules by 1.0551. One kilojoule equals 0.947817 British thermal units, and one British thermal unit equals 1.0551 kilojoules, so the relationship is fixed and exact. As a worked example, 10 kJ comes to 9.4782 BTU. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a energy conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common kilojoule values already worked out in British thermal units, plus the reverse British thermal unit to kilojoule direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many British thermal units are in a kilojoule?
One kilojoule equals 0.947817 British thermal units. The ratio is constant, so you can multiply any number of kilojoules by 0.947817 to get British thermal units.
What is the formula to convert kilojoules to British thermal units?
Use British thermal units = kilojoules ÷ 1.0551. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert British thermal units back to kilojoules?
Go the other way by using one British thermal unit equals 1.0551 kilojoules. You can also press the swap button in the converter above to flip the direction in one click.
Is this kilojoule to British thermal unit converter accurate?
Yes. It uses internationally defined SI conversion factors, as maintained by the BIPM, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.