Online calculator to convert kilocalories to megajoules (kcal to MJ) 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 kilocalories to megajoules
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 kilocalories and megajoules.
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 239.00573614 kilocalories in a megajoule. 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".
What is a megajoule (MJ)?
A megajoule is a unit of energy in the International System of Units (SI). The symbol for megajoule is MJ. There are 0.004184 megajoules in a kilocalorie.
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 kilocalories to megajoules is:
megajoules = kilocalories x 0.004184
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from kilocalories to megajoules (kcal to MJ).
Kilocalorie to Megajoule Conversion Example
Task: Convert 25 kilocalories to megajoules (show work) Formula: kilocalories x 0.004184 = megajoules Calculations: 25 kilocalories x 0.004184 = 0.1046 megajoules Result: 25 kilocalories is equal to 0.1046 megajoules
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from kilocalories to megajoules.
Kilocalories to Megajoules Conversion Chart
| kilocalories (kcal) | megajoules (MJ) |
|---|---|
| 1 kcal | 0.004184 MJ |
| 2 kcal | 0.008368 MJ |
| 3 kcal | 0.012552 MJ |
| 4 kcal | 0.016736 MJ |
| 5 kcal | 0.02092 MJ |
| 6 kcal | 0.025104 MJ |
| 7 kcal | 0.029288 MJ |
| 8 kcal | 0.033472 MJ |
| 9 kcal | 0.037656 MJ |
| 10 kcal | 0.04184 MJ |
| 20 kcal | 0.08368 MJ |
| 30 kcal | 0.12552 MJ |
| 40 kcal | 0.16736 MJ |
| 50 kcal | 0.2092 MJ |
| 75 kcal | 0.3138 MJ |
| 100 kcal | 0.4184 MJ |
| 250 kcal | 1.046 MJ |
| 500 kcal | 2.092 MJ |
| 750 kcal | 3.138 MJ |
| 1,000 kcal | 4.184 MJ |
| 2,500 kcal | 10.46 MJ |
| 5,000 kcal | 20.92 MJ |
| 7,500 kcal | 31.38 MJ |
| 10,000 kcal | 41.84 MJ |
| 25,000 kcal | 104.6 MJ |
| 50,000 kcal | 209.2 MJ |
| 75,000 kcal | 313.8 MJ |
| 100,000 kcal | 418.4 MJ |
| 250,000 kcal | 1,046 MJ |
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) |
Advertisements