Online calculator to convert megajoules to calories (MJ to cal) with formulas, examples, and tables. Our conversions provide a quick and easy way to convert between Energy units.
Conversion Calculator
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Convert megajoules to calories
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 megajoules and calories.
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 0.000004184 megajoules in a calorie.
What is a calorie (cal)?
A calorie (or thermochemical calorie) is a unit of energy in the International System of Units (SI). The symbol for calorie is cal. There are 239,005.73613767 calories in a megajoule. A calorie is measured as the quantity of heat required to raise the temperature of 1 gram of water by 1°C from a standard initial temperature at a pressure of 1 atmosphere. A calorie is also called a "small calorie" or "gram 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 megajoules to calories is:
calories = megajoules ÷ 0.000004184
Conversion Example
Next, let's look at an example showing the work and calculations that are involved in converting from megajoules to calories (MJ to cal).
Megajoule to Calorie Conversion Example
Task: Convert 4 megajoules to calories (show work) Formula: megajoules ÷ 0.000004184 = calories Calculations: 4 megajoules ÷ 0.000004184 = 956,022.94455067 calories Result: 4 megajoules is equal to 956,022.94455067 calories
Conversion Table
For quick reference purposes, below is a conversion table that you can use to convert from megajoules to calories.
Megajoules to Calories Conversion Chart
| megajoules (MJ) | calories (cal) |
|---|---|
| 1 MJ | 239,005.73613767 cal |
| 2 MJ | 478,011.47227533 cal |
| 3 MJ | 717,017.208413 cal |
| 4 MJ | 956,022.94455067 cal |
| 5 MJ | 1,195,028.68068834 cal |
| 6 MJ | 1,434,034.416826 cal |
| 7 MJ | 1,673,040.15296367 cal |
| 8 MJ | 1,912,045.88910134 cal |
| 9 MJ | 2,151,051.62523901 cal |
| 10 MJ | 2,390,057.36137667 cal |
| 20 MJ | 4,780,114.72275335 cal |
| 30 MJ | 7,170,172.08413002 cal |
| 40 MJ | 9,560,229.44550669 cal |
| 50 MJ | 11,950,286.80688337 cal |
| 75 MJ | 17,925,430.21032505 cal |
| 100 MJ | 23,900,573.61376673 cal |
| 250 MJ | 59,751,434.03441683 cal |
| 500 MJ | 119,502,868.06883365 cal |
| 750 MJ | 179,254,302.10325048 cal |
| 1,000 MJ | 239,005,736.1376673 cal |
| 2,500 MJ | 597,514,340.34416826 cal |
| 5,000 MJ | 1,195,028,680.68833652 cal |
| 7,500 MJ | 1,792,543,021.03250478 cal |
| 10,000 MJ | 2,390,057,361.37667304 cal |
| 25,000 MJ | 5,975,143,403.4416826 cal |
| 50,000 MJ | 11,950,286,806.8833652 cal |
| 75,000 MJ | 17,925,430,210.3250478 cal |
| 100,000 MJ | 23,900,573,613.7667304 cal |
| 250,000 MJ | 59,751,434,034.416826 cal |
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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