Megajoules per kilogram to kilocalories per kilogram
Type a value in MJ/kg to get it in kcal/kg instantly.
2,390.057kcal/kg
That's 11× as energetic as a lithium battery, while dry wood is 1.6× higher. To match a 60 kWh car battery you would need about 21.6 kg of it.
Convert the other way: kcal/kg to MJ/kg
What it means
How much energy per kilogram?
Figures are the higher heating value by mass. They ignore the weight of the tank, engine or fuel cell around them.
The math
How to convert MJ/kg to kcal/kg
To convert megajoules per kilogram to kilocalories per kilogram, multiply by 239.006.
Example: 10 MJ/kg × 239.006 = 2,390.06 kcal/kg.
In the other direction, 1 kcal/kg = 0.004184 MJ/kg.
Every unit
Your energy density in every unit
Tables
MJ/kg to kcal/kg conversion table
| MJ/kg | kcal/kg |
|---|---|
| 0.5 MJ/kg | 119.503 kcal/kg |
| 1 MJ/kg | 239.006 kcal/kg |
| 2 MJ/kg | 478.011 kcal/kg |
| 5 MJ/kg | 1,195.03 kcal/kg |
| 10 MJ/kg | 2,390.06 kcal/kg |
| 16 MJ/kg | 3,824.09 kcal/kg |
| 20 MJ/kg | 4,780.11 kcal/kg |
| 25 MJ/kg | 5,975.14 kcal/kg |
| 30 MJ/kg | 7,170.17 kcal/kg |
| 40 MJ/kg | 9,560.23 kcal/kg |
| 46 MJ/kg | 10,994.3 kcal/kg |
| 55 MJ/kg | 13,145.3 kcal/kg |
| 120 MJ/kg | 28,680.7 kcal/kg |
kcal/kg to MJ/kg conversion table
| kcal/kg | MJ/kg |
|---|---|
| 0.5 kcal/kg | 0.002092 MJ/kg |
| 1 kcal/kg | 0.004184 MJ/kg |
| 2 kcal/kg | 0.008368 MJ/kg |
| 5 kcal/kg | 0.02092 MJ/kg |
| 10 kcal/kg | 0.04184 MJ/kg |
| 16 kcal/kg | 0.066944 MJ/kg |
| 20 kcal/kg | 0.08368 MJ/kg |
| 25 kcal/kg | 0.1046 MJ/kg |
| 30 kcal/kg | 0.12552 MJ/kg |
| 40 kcal/kg | 0.16736 MJ/kg |
| 46 kcal/kg | 0.192464 MJ/kg |
| 55 kcal/kg | 0.23012 MJ/kg |
| 120 kcal/kg | 0.50208 MJ/kg |
Quick answers
Quick answers
- How many kcal/kg is 1 MJ/kg?
- 1 MJ/kg is 239.006 kcal/kg.
- How many kcal/kg is 10 MJ/kg?
- 10 MJ/kg is 2,390.06 kcal/kg.
The units
About these units
Megajoules per kilogram (MJ/kg)
The standard unit for fuels. Petrol is 46, wood 16.
Kilocalories per kilogram (kcal/kg)
The food and fuel calorie form: 1 kcal/kg is 4.184 kJ/kg.
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