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Kilojoule to Joule

Convert Kilojoule (KJ) to Joule (J)

Please provide values below to convert Kilojoule (KJ) to Joule (J).
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      Updated on September 1, 2025

      About Kilojoule (KJ) to Joule (J) Conversion Calculator

      Written By
      author
      Nadiba Rahman
      Reviewed by
      author
      Mrinmoy Roy
      Share This Post
      You can use our Kilojoule (KJ) to Joule (J) 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 Joule (J) 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 Joule (J) converter.

      Relation Between Kilojoule (KJ) and Joule (J)

      Let me explain to you about the relation between Kilojoule KJ and Joule (J) 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 Joule (J)?

      Kilojoule (KJ) is another unit of energy measurement that is used in Physics, Energy. The joule is the SI unit of energy, defined as the amount of work done when a force of one newton is applied over a distance of one meter. 2 . Kilojoules are commonly used in many scientific and engineering applications, particularly in fields such as thermodynamics and mechanics..

      How to Convert Joule (J)?

      The conversion between Kilojoule (KJ) and Joule (J) follows a simple formula:

      Kilojoule = Kilojoule × 1000

      Where, 1000 is the value that allows you to convert between Kilojoule (KJ) and Joule (J).

      So,

      1 Joule = 1000 Kilojoule

      And, 1 Kilojoule = 1/1000 Joule
      alt

      Examples of Converting Kilojoule (KJ) to Joule (J)

      To convert any value from Kilojoule (KJ) to Joule (J), simply multiply the amount of Kilojoule (KJ) by the conversion factor:

      1 Joule = 1000 Kilojoule

      For example, if you want to convert 5 Kilojoule into Joule and the conversion factor is 1000, then:

      5 Kilojoule = 5 x 1000 Joule

      Kilojoule (KJ) to Joule (J) Conversion Chart

      Here’s a quick reference chart for common conversions between Kilojoule (KJ) and Joule (J)
      Kilojoule (KJ)Joule (J)
      10 Kilojoule (KJ)10000 Joule (J)
      20 Kilojoule (KJ)20000 Joule (J)
      30 Kilojoule (KJ)30000 Joule (J)
      40 Kilojoule (KJ)40000 Joule (J)
      50 Kilojoule (KJ)50000 Joule (J)
      60 Kilojoule (KJ)60000 Joule (J)
      70 Kilojoule (KJ)70000 Joule (J)
      80 Kilojoule (KJ)80000 Joule (J)
      90 Kilojoule (KJ)90000 Joule (J)
      100 Kilojoule (KJ)100000 Joule (J)
      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)0.947817 British Thermal Unit (BTU)
      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)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 Joule (J) Conversion Calculator

      Our Kilojoule KJ to Joule (J) 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 Joule (J) 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 Joule (J) 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 Joule (J) manually. But you can bypass the manual calculation using our energy conversion calculator. This allows you to get faster and accurate results in Joule (J), 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 Joule (J) converter is your swiss army knife for daily calculations.
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