Megajoules to Calories Converter
How to convert megajoules to calories
calories = megajoules × 239,005.736
To convert megajoules to calories, multiply the number of megajoules by 239,005.736.
1 MJ = 239,005.736 cal
Examples
- One kilowatt-hour: 3.6 MJ × 239,005.736 = 860,420.65 cal
- 100 MJ × 239,005.736 = 23,900,573.6 cal
Good to know
This is the thermochemical calorie, exactly 4.184 J. It is the small calorie: the "Calories" on food labels are kilocalories, 1000 times larger. The International Table calorie (4.1868 J) is slightly different.
Megajoules to calories conversion table
| Megajoules (MJ) | Calories (cal) |
|---|---|
| 1 MJ | 239,005.736 cal |
| 2 MJ | 478,011.472 cal |
| 5 MJ | 1,195,028.68 cal |
| 10 MJ | 2,390,057.36 cal |
| 20 MJ | 4,780,114.72 cal |
| 50 MJ | 11,950,286.8 cal |
| 100 MJ | 23,900,573.6 cal |
| 200 MJ | 47,801,147.2 cal |
| 250 MJ | 59,751,434 cal |
| 500 MJ | 119,502,868 cal |
| 1,000 MJ | 239,005,736 cal |
| 2,000 MJ | 478,011,472 cal |
| 2,500 MJ | 597,514,340 cal |
| 5,000 MJ | 1,195,028,680 cal |
| 10,000 MJ | 2,390,057,360 cal |
Unit definitions
- Megajoule (MJ)
- A megajoule is 1,000,000 joules. It is used for the energy content of fuels and for gas billing in some countries.
- Calorie (cal)
- The thermochemical calorie is defined as exactly 4.184 joules, roughly the energy needed to heat one gram of water by one degree Celsius.