How to convert megajoules per kilogram to kilocalories per kilogram
kcal/kg = MJ/kg × 239.0057361Because one kilocalorie per kilogram equals 0.004184 megajoules per kilogram, you can also divide: kcal/kg = MJ/kg ÷ 0.004184.
A megajoule per kilogram is larger than a kilocalorie per kilogram: one megajoule per kilogram contains 239.0057361 kilocalories per kilogram.
Worked examples
- 1 megajoule per kilogram1 MJ/kg × 239.0057361 = 239.0057361 kcal/kg
- 5 megajoules per kilogram5 MJ/kg × 239.0057361 = 1,195.028681 kcal/kg
- 10 megajoules per kilogram10 MJ/kg × 239.0057361 = 2,390.057361 kcal/kg
- 20 megajoules per kilogram20 MJ/kg × 239.0057361 = 4,780.114723 kcal/kg
- 100 megajoules per kilogram100 MJ/kg × 239.0057361 = 23,900.57361 kcal/kg
Megajoules per kilogram to kilocalories per kilogram conversion table
Values are calculated by the conversion engine and rounded to 8 significant figures.
| Megajoules per kilogram (MJ/kg) | Kilocalories per kilogram (kcal/kg) |
|---|---|
| 0.1 MJ/kg | 23.900574 kcal/kg |
| 0.25 MJ/kg | 59.751434 kcal/kg |
| 0.5 MJ/kg | 119.50287 kcal/kg |
| 1 MJ/kg | 239.00574 kcal/kg |
| 2 MJ/kg | 478.01147 kcal/kg |
| 3 MJ/kg | 717.01721 kcal/kg |
| 4 MJ/kg | 956.02294 kcal/kg |
| 5 MJ/kg | 1,195.0287 kcal/kg |
| 6 MJ/kg | 1,434.0344 kcal/kg |
| 7 MJ/kg | 1,673.0402 kcal/kg |
| 8 MJ/kg | 1,912.0459 kcal/kg |
| 9 MJ/kg | 2,151.0516 kcal/kg |
| 10 MJ/kg | 2,390.0574 kcal/kg |
| Megajoules per kilogram (MJ/kg) | Kilocalories per kilogram (kcal/kg) |
|---|---|
| 12 MJ/kg | 2,868.0688 kcal/kg |
| 15 MJ/kg | 3,585.086 kcal/kg |
| 20 MJ/kg | 4,780.1147 kcal/kg |
| 25 MJ/kg | 5,975.1434 kcal/kg |
| 30 MJ/kg | 7,170.1721 kcal/kg |
| 40 MJ/kg | 9,560.2294 kcal/kg |
| 50 MJ/kg | 11,950.287 kcal/kg |
| 75 MJ/kg | 17,925.43 kcal/kg |
| 100 MJ/kg | 23,900.574 kcal/kg |
| 250 MJ/kg | 59,751.434 kcal/kg |
| 500 MJ/kg | 119,502.87 kcal/kg |
| 1,000 MJ/kg | 239,005.74 kcal/kg |
About the units
Megajoule per kilogram (MJ/kg)
The megajoule per kilogram (MJ/kg) is a unit of fuel efficiency by mass in the International System of Units (SI). One megajoule per kilogram equals 1,000,000 joules per kilogram (J/kg).
Kilocalorie per kilogram (kcal/kg)
The kilocalorie per kilogram (kcal/kg) is a unit of fuel efficiency by mass. One kilocalorie per kilogram equals 4,184 joules per kilogram (J/kg).
Frequently asked questions
How many kilocalories per kilogram are in one megajoule per kilogram?
There are 239.0057361 kilocalories per kilogram in one megajoule per kilogram, and this value is exact by definition.
How do I convert megajoules per kilogram to kilocalories per kilogram?
Multiply the number of megajoules per kilogram by 239.0057361. For example, 10 MJ/kg × 239.0057361 = 2,390.057361 kcal/kg.
How many megajoules per kilogram are in one kilocalorie per kilogram?
One kilocalorie per kilogram equals 0.004184 megajoules per kilogram. That is the reverse factor, 1 ÷ 239.0057361.
What is 10 megajoules per kilogram in kilocalories per kilogram?
10 MJ/kg = 2,390.057361 kcal/kg.
Is this MJ/kg to kcal/kg converter accurate?
Yes. Both units are defined exactly in terms of SI units, so the conversion factor is exact; results are shown to 12 significant figures by default and you can change precision in the converter. Calculations run in your browser using the same tested engine that generated this page.