BTU to Kilojoules Converter
Convert BTU to kJ instantly. 1 BTU = 1.055055853 kJ.
Conversion Formula
kJ = BTU × 1.055055853
Example
25 BTU × 1.055055853 = 26.37639632 kJ
Convert the other way: Kilojoules to BTU →
BTU to Kilojoules Conversion Table
| BTU (BTU) | Kilojoules (kJ) |
|---|---|
| 0.1 | 0.1055055853 |
| 0.5 | 0.5275279263 |
| 1 | 1.055055853 |
| 2 | 2.110111705 |
| 5 | 5.275279263 |
| 10 | 10.55055853 |
| 20 | 21.10111705 |
| 25 | 26.37639632 |
| 50 | 52.75279263 |
| 100 | 105.5055853 |
| 500 | 527.5279263 |
| 1,000 | 1,055.055853 |
About These Units
- BTU (BTU)
- The British thermal unit, about 1,055.06 J, roughly the heat that raises one pound of water by 1 °F. It is used in the United States for furnace, air conditioner, and natural gas energy figures.
- Kilojoules (kJ)
- Exactly 1,000 joules. Kilojoules appear on food labels in Australia, New Zealand, and the European Union alongside or instead of calories, and one food Calorie equals about 4.184 kJ.
Frequently Asked Questions
How many kJ are in 1 BTU?
1 BTU equals 1.055055853 kJ.
How do I convert BTU to Kilojoules?
Multiply your BTU value by 1.055055853. For example, 25 BTU × 1.055055853 = 26.37639632 kJ.
How many BTU are in 1 kJ?
1 kJ equals 0.9478171203 BTU.