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Kilocalorie to British Thermal Unit

Convert Kilocalorie (KCal) to British Thermal Unit (BTU)

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

      About Kilocalorie (KCal) to British Thermal Unit (BTU) Conversion Calculator

      Written By
      author
      Nadiba Rahman
      Reviewed by
      author
      Mrinmoy Roy
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      You can use our Kilocalorie (KCal) 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 Kilocalorie (KCal) to British Thermal Unit (BTU) is crucial in Nutrition, Energy related measurements. You can avoid the risk of manual calculation errors and save valuable time using our Kilocalorie (KCal) to British Thermal Unit (BTU) converter.

      Relation Between Kilocalorie (KCal) and British Thermal Unit (BTU)

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

      What is Kilocalorie (KCal)?

      A kilocalorie is equal to 1000 calories. Kilocalorie (KCal) is a unit of energy measurement which is commonly used in Nutrition, Energy. Kilocalories are commonly used to measure the energy content of food and in nutrition..

      What is British Thermal Unit (BTU)?

      Kilocalorie (KCal) 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.. Kilocalories are commonly used to measure the energy content of food and in nutrition..

      How to Convert British Thermal Unit (BTU)?

      The conversion between Kilocalorie (KCal) and British Thermal Unit (BTU) follows a simple formula:

      Kilocalorie = Kilocalorie × 3.96832071032

      Where, 3.96832071032 is the value that allows you to convert between Kilocalorie (KCal) and British Thermal Unit (BTU).

      So,

      1 British Thermal Unit = 3.96832071032 Kilocalorie

      And, 1 Kilocalorie = 1/3.96832071032 British Thermal Unit
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      Examples of Converting Kilocalorie (KCal) to British Thermal Unit (BTU)

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

      1 British Thermal Unit = 3.96832071032 Kilocalorie

      For example, if you want to convert 5 Kilocalorie into British Thermal Unit and the conversion factor is 3.96832071032, then:

      5 Kilocalorie = 5 x 3.96832071032 British Thermal Unit

      Kilocalorie (KCal) to British Thermal Unit (BTU) Conversion Chart

      Here’s a quick reference chart for common conversions between Kilocalorie (KCal) and British Thermal Unit (BTU)
      Kilocalorie (KCal)British Thermal Unit (BTU)
      10 Kilocalorie (KCal)39.6832071032 British Thermal Unit (BTU)
      20 Kilocalorie (KCal)79.3664142064 British Thermal Unit (BTU)
      30 Kilocalorie (KCal)119.0496213096 British Thermal Unit (BTU)
      40 Kilocalorie (KCal)158.7328284128 British Thermal Unit (BTU)
      50 Kilocalorie (KCal)198.416035516 British Thermal Unit (BTU)
      60 Kilocalorie (KCal)238.0992426192 British Thermal Unit (BTU)
      70 Kilocalorie (KCal)277.7824497224 British Thermal Unit (BTU)
      80 Kilocalorie (KCal)317.4656568256 British Thermal Unit (BTU)
      90 Kilocalorie (KCal)357.1488639288 British Thermal Unit (BTU)
      100 Kilocalorie (KCal)396.832071032 British Thermal Unit (BTU)
      You can use the above chart for quick and easy reference.

      How 1 Kilocalorie (KCal) Converts to Other energy Units

      See the relation between Kilocalorie (KCal) and other energy related measurement units:
      1 Kilocalorie(KCal)1000.000000 Calorie (cal)
      1 Kilocalorie(KCal)41868000000.000000 Erg (erg)
      1 Kilocalorie(KCal)2.61314e+22 Electronvolt (ev)
      1 Kilocalorie(KCal)0.000000 Exajoule (EJ)
      1 Kilocalorie(KCal)3087.000000 Foot-pound (ft lbs)
      1 Kilocalorie(KCal)0.000000 Gigajoule (GJ)
      1 Kilocalorie(KCal)0.000000 Gigawatt-hour (GWh)
      1 Kilocalorie(KCal)4186.800000 Joule (J)
      1 Kilocalorie(KCal)4.186800 Kilojoule (KJ)
      1 Kilocalorie(KCal)0.004187 Megajoule (MJ)
      1 Kilocalorie(KCal)0.000001 Megawatt-hour (MWh)
      1 Kilocalorie(KCal)0.003968 Natural Gas Low Heating Value (NG LHV)
      1 Kilocalorie(KCal)4186.800000 Newton-meter (Nm)
      1 Kilocalorie(KCal)0.000004 Therms
      1 Kilocalorie(KCal)1.163000 Watt-hour (Wh)
      1 Kilocalorie(KCal)0.001162 Kilowatt-hour (kwh)
      1 Kilocalorie(KCal)4186.800000 Watt-second (Ws)

      Features of Our Kilocalorie (KCal) to British Thermal Unit (BTU) Conversion Calculator

      Our Kilocalorie KCal 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 Kilocalorie KCal 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 Kilocalorie KCal 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 Kilocalorie KCal 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 Nutrition, Energy related measurements. With the help of our integrated scientific calculator, calculation history tracking, and precision control, our Kilocalorie KCal to British Thermal Unit (BTU) converter is your swiss army knife for daily calculations.
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