British thermal units to kilojoules
Type a value in BTU to get it in kJ instantly.
That's 2.1× as much energy as a phone charge, while a banana is 4.2× more. That could lift a one-tonne car 10.76 m into the air.
What it means
What could that energy do?
The hill climb ignores friction and assumes a 1,000 kg car. Food calories on labels are kilocalories.
The math
How to convert BTU to kJ
To convert British thermal units to kilojoules, multiply by 1.05506.
Example: 100 BTU × 1.05506 = 105.506 kJ.
In the other direction, 1 kJ = 0.947817 BTU.
Every unit
Your energy in every unit
Tables
BTU to kJ conversion table
| BTU | kJ |
|---|---|
| 1 BTU | 1.05506 kJ |
| 2 BTU | 2.11011 kJ |
| 5 BTU | 5.27528 kJ |
| 10 BTU | 10.5506 kJ |
| 15 BTU | 15.8258 kJ |
| 20 BTU | 21.1011 kJ |
| 25 BTU | 26.3764 kJ |
| 50 BTU | 52.7528 kJ |
| 75 BTU | 79.1292 kJ |
| 100 BTU | 105.506 kJ |
| 150 BTU | 158.258 kJ |
| 200 BTU | 211.011 kJ |
| 500 BTU | 527.528 kJ |
| 1,000 BTU | 1,055.06 kJ |
kJ to BTU conversion table
| kJ | BTU |
|---|---|
| 1 kJ | 0.947817 BTU |
| 2 kJ | 1.89563 BTU |
| 5 kJ | 4.73909 BTU |
| 10 kJ | 9.47817 BTU |
| 15 kJ | 14.2173 BTU |
| 20 kJ | 18.9563 BTU |
| 25 kJ | 23.6954 BTU |
| 50 kJ | 47.3909 BTU |
| 75 kJ | 71.0863 BTU |
| 100 kJ | 94.7817 BTU |
| 150 kJ | 142.173 BTU |
| 200 kJ | 189.563 BTU |
| 500 kJ | 473.909 BTU |
| 1,000 kJ | 947.817 BTU |
Quick answers
Quick answers
- How many kJ is 1 BTU?
- 1 BTU is 1.05506 kJ.
- How many kJ is 10 BTU?
- 10 BTU is 10.5506 kJ.
- How many kJ is 100 BTU?
- 100 BTU is 105.506 kJ.
The units
About these units
British thermal units (BTU)
A BTU is the heat needed to raise a pound of water by one degree Fahrenheit, about 1,055 joules. Air conditioners are still rated in BTU per hour.
Kilojoules (kJ)
A kilojoule is 1,000 joules. Food labels outside the US give energy in kilojoules, usually alongside kilocalories.
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