Kilocalories to Megajoules Converter
How to convert kilocalories to megajoules
megajoules = kilocalories ÷ 239.005736
To convert kilocalories to megajoules, divide the number of kilocalories by 239.005736.
1 kcal = 0.004184 MJ
Examples
- A common daily reference intake: 2,000 kcal ÷ 239.005736 = 8.368 MJ
- 500 kcal ÷ 239.005736 = 2.092 MJ
Good to know
The kilocalorie is the food "Calorie" (capital C) shown on nutrition labels. It is based here on the thermochemical calorie, so 1 kcal is exactly 4.184 kJ.
Kilocalories to megajoules conversion table
| Kilocalories (kcal) | Megajoules (MJ) |
|---|---|
| 1 kcal | 0.004184 MJ |
| 10 kcal | 0.04184 MJ |
| 50 kcal | 0.2092 MJ |
| 100 kcal | 0.4184 MJ |
| 150 kcal | 0.6276 MJ |
| 200 kcal | 0.8368 MJ |
| 250 kcal | 1.046 MJ |
| 300 kcal | 1.2552 MJ |
| 400 kcal | 1.6736 MJ |
| 500 kcal | 2.092 MJ |
| 1,000 kcal | 4.184 MJ |
| 1,500 kcal | 6.276 MJ |
| 2,000 kcal | 8.368 MJ |
| 2,500 kcal | 10.46 MJ |
| 3,000 kcal | 12.552 MJ |
Unit definitions
- Kilocalorie (kcal)
- A kilocalorie is 1000 calories, exactly 4184 joules using the thermochemical calorie. It is the unit of food energy on nutrition labels.
- 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.