Online calculator to convert kilojoules to kilocalories (kJ to kcal) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Energy units.
Conversion Calculator
Enter your value in the conversion calculator below.
Convert kJ to kilocalories
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 kilocalories.
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 4.184 kilojoules in a kilocalorie.
What is a kilocalorie (kcal)?
A kilocalorie is a unit of energy in the International System of Units (SI). The symbol for kilocalorie is kcal. There are 0.23900574 kilocalories in a kilojoule. A kilocalorie is measured as the quantity of heat required to raise the temperature of 1 kilogram of water by 1°C from a standard initial temperature at a pressure of 1 atmosphere. A kilocalorie is also called a "large calorie" or "kilogram calorie".
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 kilocalories is:
kilocalories = kJ ÷ 4.184
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from kilojoules to kilocalories (kJ to kcal).
Kilojoule to Kilocalorie Conversion Example
Task: Convert 2,092 kilojoules to kilocalories (show work) Formula: kJ ÷ 4.184 = kilocalories Calculations: 2,092 kJ ÷ 4.184 = 500 kilocalories Result: 2,092 kJ is equal to 500 kilocalories
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from kilojoules to kilocalories.
Kilojoules to Kilocalories Conversion Chart
| kilojoules (kJ) | kilocalories (kcal) |
|---|---|
| 1 kJ | 0.23900574 kcal |
| 2 kJ | 0.47801147 kcal |
| 3 kJ | 0.71701721 kcal |
| 4 kJ | 0.95602294 kcal |
| 5 kJ | 1.19502868 kcal |
| 6 kJ | 1.43403442 kcal |
| 7 kJ | 1.67304015 kcal |
| 8 kJ | 1.91204589 kcal |
| 9 kJ | 2.15105163 kcal |
| 10 kJ | 2.39005736 kcal |
| 20 kJ | 4.78011472 kcal |
| 30 kJ | 7.17017208 kcal |
| 40 kJ | 9.56022945 kcal |
| 50 kJ | 11.95028681 kcal |
| 75 kJ | 17.92543021 kcal |
| 100 kJ | 23.90057361 kcal |
| 250 kJ | 59.75143403 kcal |
| 500 kJ | 119.50286807 kcal |
| 750 kJ | 179.2543021 kcal |
| 1,000 kJ | 239.00573614 kcal |
| 2,500 kJ | 597.51434034 kcal |
| 5,000 kJ | 1,195.02868069 kcal |
| 7,500 kJ | 1,792.54302103 kcal |
| 10,000 kJ | 2,390.05736138 kcal |
| 25,000 kJ | 5,975.14340344 kcal |
| 50,000 kJ | 11,950.28680688 kcal |
| 75,000 kJ | 17,925.43021033 kcal |
| 100,000 kJ | 23,900.57361377 kcal |
| 250,000 kJ | 59,751.43403442 kcal |
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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