Online calculator to convert kilojoules to British Thermal Units (kJ to BTU) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Energy units.
Conversion Calculator
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Convert kJ to BTU
TIP: If the result of your conversion is 0, try increasing the "Decimals".
Conversion Definitions
The following is a list of definitions relating to conversions between kilojoules and BTU.
What is a kilojoule (kJ)?
A kilojoule is a unit of energy in the International System of Units (SI). The symbol for kilojoule is kJ. There are 1.05505585262 kilojoules in a BTU.
What is a British Thermal Unit (BTU)?
A British Thermal Unit is a unit of energy in the Imperial System. The symbol for British Thermal Unit is BTU or Btu. There are 0.94781712 BTU in a kilojoule. A BTU is measured as the quantity of heat required to raise the temperature of 1 pound of water by 1°F.
Conversion Formula
Let's take a closer look at the conversion formula so that you can do these conversions yourself with a calculator or with an old-fashioned pencil and paper.
The formula to convert from kJ to BTU is:
BTU = kJ ÷ 1.05505585262
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from kilojoules to British Thermal Units (kJ to BTU).
Kilojoule to BTU Conversion Example
Task: Convert 325 kilojoules to BTUs (show work) Formula: kJ ÷ 1.05505585262 = BTU Calculations: 325 kJ ÷ 1.05505585262 = 308.0405641 BTU Result: 325 kJ is equal to 308.0405641 BTU
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from kilojoules to BTUs.
Kilojoules to BTUs Conversion Chart
| kilojoules (kJ) | British Thermal Units (BTU) |
|---|---|
| 1 kJ | 0.94781712 BTU |
| 2 kJ | 1.89563424 BTU |
| 3 kJ | 2.84345136 BTU |
| 4 kJ | 3.79126848 BTU |
| 5 kJ | 4.7390856 BTU |
| 6 kJ | 5.68690272 BTU |
| 7 kJ | 6.63471984 BTU |
| 8 kJ | 7.58253696 BTU |
| 9 kJ | 8.53035408 BTU |
| 10 kJ | 9.4781712 BTU |
| 20 kJ | 18.95634241 BTU |
| 30 kJ | 28.43451361 BTU |
| 40 kJ | 37.91268481 BTU |
| 50 kJ | 47.39085602 BTU |
| 75 kJ | 71.08628402 BTU |
| 100 kJ | 94.78171203 BTU |
| 250 kJ | 236.95428008 BTU |
| 500 kJ | 473.90856016 BTU |
| 750 kJ | 710.86284023 BTU |
| 1,000 kJ | 947.81712031 BTU |
| 2,500 kJ | 2,369.54280078 BTU |
| 5,000 kJ | 4,739.08560157 BTU |
| 7,500 kJ | 7,108.62840235 BTU |
| 10,000 kJ | 9,478.17120313 BTU |
| 25,000 kJ | 23,695.42800783 BTU |
| 50,000 kJ | 47,390.85601567 BTU |
| 75,000 kJ | 71,086.2840235 BTU |
| 100,000 kJ | 94,781.71203133 BTU |
| 250,000 kJ | 236,954.28007833 BTU |
Related Units
This table provides a summary of the Energy units within their respective measurement systems.
| Unit | Symbol | Measurement System |
|---|---|---|
| calories (thermochemical) | cal | International System of Units (SI) |
| kilocalories | kcal | International System of Units (SI) |
| British Thermal Unit | BTU or Btu | Imperial System |
| joules | J | International System of Units (SI) |
| kilojoules | kJ | International System of Units (SI) |
| megajoules | MJ | International System of Units (SI) |
| gigajoules | GJ | International System of Units (SI) |
| terajoules | TJ | International System of Units (SI) |
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