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BTUKilojoule
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Kilojoule
BTU to Kilojoule

Convert BTU to Kilojoule

Formula
Kilojoule = BTU × 1.05506
or: BTU = Kilojoule ÷ 1.05506
Common Conversions
BTU to Kilojoule Conversion Table
BTUKilojoule
0.10.106
0.50.528
11.055
22.11
55.275
1010.551
2526.377
5052.753
100105.506
500527.53
1,0001,055.06
5,0005,275.3
10,00010,550.6

What is a BTU?

The British Thermal Unit (BTU) is an imperial unit of energy equal to approximately 1,055 joules. It is commonly used in the United States for heating, cooling, and air conditioning systems.

What is a Kilojoule (kJ)?

The kilojoule (kJ) is a unit of energy equal to 1,000 joules. It is commonly used in nutrition (particularly in Australia and Europe) and engineering for expressing energy content and transfer.

How to Convert BTU to Kilojoule (kJ)

To convert BTU to Kilojoule, multiply the BTU value by 1.05506. For example, to convert 5 BTU to Kilojoule: 5 × 1.05506 = 5.27530 Kilojoule. You can also use the free online calculator above for instant, accurate results.

Frequently Asked Questions

How many kilojoules are in 1 btu?

There are 1.05506 kilojoules in 1 btu. The conversion factor is 1.05506.

What is the formula to convert btu to kilojoule?

The formula is: Kilojoule = BTU × 1.05506. For example, 10 BTU = 10.5506 Kilojoule.

How to convert 100 btu to kilojoule?

100 btu = 105.506 kilojoule. Multiply 100 by 1.05506.

Is btu bigger than kilojoule?

No, 1 btu equals 1.05506 kilojoule, which means kilojoule is the smaller unit.