Btu (IT) to Kilojoule Conversion
Convert between Btu (IT) and Kilojoule quickly and accurately.
How to Convert Btu (IT) to Kilojoule
Conversion Formula
Example
Convert 15 Btu (IT) to kJ:
Unit Information
Learn about the energy units you're converting between
Btu (IT)
Btu (IT)
Definition
A British Thermal Unit (BTU) is a traditional unit of heat energy, equal to approximately 1,055 joules. It represents the amount of energy needed to raise the temperature of one pound of water by one degree Fahrenheit.
History/Origin
The BTU was developed in the 19th century in Britain for measuring heat energy in steam engines and heating systems. It became the standard unit for heating and cooling applications in the United States and other countries.
Current Use
BTUs are used in HVAC systems for measuring heating and cooling capacity, natural gas billing and consumption, appliance energy ratings, industrial heating processes, and thermal energy calculations in engineering.
Multiplier
1055.056
Offset
0
Kilojoule
kJ
Definition
A kilojoule (symbol: kJ) is a unit of energy equal to 1,000 joules. It is commonly used for measuring larger amounts of energy in food, exercise, and industrial applications. One kilojoule equals approximately 0.239 kilocalories.
History/Origin
The kilojoule was introduced as a practical unit for measuring larger energy quantities in the metric system. It became widely used in the late 20th century for food labeling and energy consumption measurements.
Current Use
Kilojoules are extensively used in nutrition labeling worldwide, exercise physiology for measuring energy expenditure, industrial energy consumption monitoring, and scientific research for measuring moderate energy quantities.
Multiplier
1000
Offset
0
Btu (IT) to Kilojoule Conversion Table
| Btu (IT) [Btu (IT)] | Kilojoule [kJ] |
|---|---|
| 1 Btu (IT) | 1.055056 kJ |
| 10 Btu (IT) | 10.550559 kJ |
| 25 Btu (IT) | 26.376396 kJ |
| 50 Btu (IT) | 52.752793 kJ |
| 100 Btu (IT) | 105.505585 kJ |
| 0 Btu (IT) | 0E+0 kJ |
| -10 Btu (IT) | -10.550559 kJ |
| -40 Btu (IT) | -42.202234 kJ |
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