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Kilojoule to British Thermal Unit

Convert Kilojoule (KJ) to British Thermal Unit (BTU)

Please provide values below to convert Kilojoule (KJ) to British Thermal Unit (BTU).
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      Updated on September 1, 2025

      About Kilojoule (KJ) to British Thermal Unit (BTU) Conversion Calculator

      Written By
      author
      Nadiba Rahman
      Reviewed by
      author
      Mrinmoy Roy
      Share This Post
      You can use our Kilojoule (KJ) to British Thermal Unit (BTU) conversion calculator as a reliable and efficient tool to simplify energy conversions. It is designed for professionals, students, and anyone who needs a quick and accurate result. Conversion of Kilojoule (KJ) to British Thermal Unit (BTU) is crucial in Physics, Chemistry related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Kilojoule (KJ) to British Thermal Unit (BTU) converter.

      Relation Between Kilojoule (KJ) and British Thermal Unit (BTU)

      Let me explain to you about the relation between Kilojoule KJ and British Thermal Unit (BTU) first before moving to the conversion process. Because it’s essential to grasp what these units represent.

      What is Kilojoule (KJ)?

      A kilojoule is a unit of energy equal to 1000 joules. Kilojoule (KJ) is a unit of energy measurement which is commonly used in Physics, Chemistry. Kilojoules are commonly used in many scientific and engineering applications, particularly in fields such as thermodynamics and mechanics..

      What is British Thermal Unit (BTU)?

      Kilojoule (KJ) is another unit of energy measurement that is used in Heating, Energy. A British Thermal Unit is the amount of heat energy required to raise the temperature of one pound of liquid water by one degree Fahrenheit.. Kilojoules are commonly used in many scientific and engineering applications, particularly in fields such as thermodynamics and mechanics..

      How to Convert British Thermal Unit (BTU)?

      The conversion between Kilojoule (KJ) and British Thermal Unit (BTU) follows a simple formula:

      Kilojoule = Kilojoule × 0.947817

      Where, 0.947817 is the value that allows you to convert between Kilojoule (KJ) and British Thermal Unit (BTU).

      So,

      1 British Thermal Unit = 0.947817 Kilojoule

      And, 1 Kilojoule = 1/0.947817 British Thermal Unit
      alt

      Examples of Converting Kilojoule (KJ) to British Thermal Unit (BTU)

      To convert any value from Kilojoule (KJ) to British Thermal Unit (BTU), simply multiply the amount of Kilojoule (KJ) by the conversion factor:

      1 British Thermal Unit = 0.947817 Kilojoule

      For example, if you want to convert 5 Kilojoule into British Thermal Unit and the conversion factor is 0.947817, then:

      5 Kilojoule = 5 x 0.947817 British Thermal Unit

      Kilojoule (KJ) to British Thermal Unit (BTU) Conversion Chart

      Here’s a quick reference chart for common conversions between Kilojoule (KJ) and British Thermal Unit (BTU)
      Kilojoule (KJ)British Thermal Unit (BTU)
      100 Kilojoule (KJ)94.7817 British Thermal Unit (BTU)
      150 Kilojoule (KJ)142.17255 British Thermal Unit (BTU)
      200 Kilojoule (KJ)189.5634 British Thermal Unit (BTU)
      250 Kilojoule (KJ)236.95425 British Thermal Unit (BTU)
      300 Kilojoule (KJ)284.3451 British Thermal Unit (BTU)
      350 Kilojoule (KJ)331.73595 British Thermal Unit (BTU)
      400 Kilojoule (KJ)379.1268 British Thermal Unit (BTU)
      450 Kilojoule (KJ)426.51765 British Thermal Unit (BTU)
      500 Kilojoule (KJ)473.9085 British Thermal Unit (BTU)
      550 Kilojoule (KJ)521.29935 British Thermal Unit (BTU)
      You can use the above chart for quick and easy reference.

      How 1 Kilojoule (KJ) Converts to Other energy Units

      See the relation between Kilojoule (KJ) and other energy related measurement units:
      1 Kilojoule(KJ)239.005700 Calorie (cal)
      1 Kilojoule(KJ)10000000000.000000 Erg (erg)
      1 Kilojoule(KJ)6.24150912588325e+21 Electronvolt (ev)
      1 Kilojoule(KJ)0.000000 Exajoule (EJ)
      1 Kilojoule(KJ)737.562149 Foot-pound (ft lbs)
      1 Kilojoule(KJ)0.000001 Gigajoule (GJ)
      1 Kilojoule(KJ)0.000000 Gigawatt-hour (GWh)
      1 Kilojoule(KJ)1000.000000 Joule (J)
      1 Kilojoule(KJ)0.239006 Kilocalorie (KCal)
      1 Kilojoule(KJ)0.001000 Megajoule (MJ)
      1 Kilojoule(KJ)0.000000 Megawatt-hour (MWh)
      1 Kilojoule(KJ)0.000948 Natural Gas Low Heating Value (NG LHV)
      1 Kilojoule(KJ)1000.000000 Newton-meter (Nm)
      1 Kilojoule(KJ)0.000000 Therms
      1 Kilojoule(KJ)0.277778 Watt-hour (Wh)
      1 Kilojoule(KJ)0.000278 Kilowatt-hour (kwh)
      1 Kilojoule(KJ)1000.000000 Watt-second (Ws)

      Features of Our Kilojoule (KJ) to British Thermal Unit (BTU) Conversion Calculator

      Our Kilojoule KJ to British Thermal Unit (BTU) converter is more than just a basic converter. Here's what makes it stand out:

      Output Precision Control

      You can control how precise your conversion results are. From settings, you can adjust decimal places from 0 to 12 places.

      Customizable Rounding Options

      You can control the output rounding options based on your necessity. You can turn the rounding mode on or off, and select between Ceiling or Floor rounding to match your needs.

      Multiple Number Formats

      Display your results the way you want:
      1. Standard format (e.g. 12.345245)
      2. Scientific notation (e.g. 1.23452e+1)
      3. Engineering format (e.g. 1.23452 × 10^1)

      Integrated Scientific Calculator

      We know you need to switch between a unit converter and a general calculator back and forth. To minimize your hassle, our Kilojoule KJ to British Thermal Unit (BTU) converter comes up with an integrated scientific calculator.

      Conversion History Tracking

      You can always review your past energy conversions and go to them whenever you like. It stores your most recent 10 unit conversions.

      Thousand Separators Toggle

      Our Kilojoule KJ to British Thermal Unit (BTU) converter improves the output readability by toggling the thousand separators “On”. It’s useful when you work with large numbers.

      Conclusion

      Now, you understand how to convert Kilojoule KJ to British Thermal Unit (BTU) manually. But you can bypass the manual calculation using our energy conversion calculator. This allows you to get faster and accurate results in British Thermal Unit (BTU), which you can use in Physics, Chemistry related measurements. With the help of our integrated scientific calculator, calculation history tracking, and precision control, our Kilojoule KJ to British Thermal Unit (BTU) converter is your swiss army knife for daily calculations.
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