Convert Megajoules per Kilogram to Kilocalories per Kilogram
1 megajoule per kilogram (MJ/kg) = 238.8458966 kilocalories per kilogram (kcal/kg). 1 kcal/kg = 0.0041868 MJ/kg. Example: 15 MJ/kg = 15 × 238.8458966 = 3582.688449 kcal/kg.
Also searched as megajoules per kilogram to kcal/kg, megajoules per kilogram in kcal/kg, megajoules per kilogram into kilocalories per kilogram, MJ/kg to kcal/kg, MJ/kg in kilocalories per kilogram, MJ/kg into kilocalorie per kilogram, megajoule per kilogram to kilocalorie per kilogram, MJ/kg to kilocalories per kilogram converter and how many kilocalories per kilogram in a megajoule per kilogram.
1 MJ/kg = 238.8458966 kcal/kg
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk megajoule per kilogram to kilocalorie per kilogram converter to paste a column from Excel.
How to Convert Megajoule per Kilogram to Kilocalorie per Kilogram
- 1 MJ/kg = 238.8458966 kcal/kg
- 1 kcal/kg = 0.0041868 MJ/kg
- Example: convert 15 MJ/kg to kcal/kg: 15 MJ/kg = 15 × 238.8458966 kcal/kg = 3582.688449 kcal/kg
Reference conditions. kcal/kg: International Table calorie (4.1868 J).
Formula
kcal/kg = MJ/kg × 238.8458966275
Derivation from SI units:
- 1 MJ/kg = 10⁶ J/kg.
- 1 kcal_IT/kg = 4186.8 J/kg.
- 1 MJ/kg = 1000000 J/kg ÷ 4186.8 J/kg per kcal/kg = 238.8458966275 kcal/kg
Both units are defined exactly, so the factor is exact. Megajoule per Kilogram definition: megajoule per kilogram; Kilocalorie per Kilogram definition: kilocalorie per kilogram.
Worked examples
- A reading of 25 MJ/kg converts to 5971.147416 kcal/kg.
25 MJ/kg × 238.8458966 = 5971.147416 kcal/kg - A value of 44 MJ/kg is 10509.21945 kcal/kg.
44 MJ/kg × 238.8458966 = 10509.21945 kcal/kg
Megajoule per Kilogram to Kilocalorie per Kilogram conversion table
| Megajoules per Kilogram (MJ/kg) | Kilocalories per Kilogram (kcal/kg) |
|---|---|
| 10 MJ/kg | 2388.458966 kcal/kg |
| 15 MJ/kg | 3582.688449 kcal/kg |
| 17 MJ/kg | 4060.380243 kcal/kg |
| 25 MJ/kg | 5971.147416 kcal/kg |
| 30 MJ/kg | 7165.376899 kcal/kg |
| 42 MJ/kg | 10031.52766 kcal/kg |
| 44 MJ/kg | 10509.21945 kcal/kg |
| 46 MJ/kg | 10986.91124 kcal/kg |
| 50 MJ/kg | 11942.29483 kcal/kg |
| 120 MJ/kg | 28661.5076 kcal/kg |
Where it's used
Megajoules per Kilogram are used for fuel calorific values (GCV, NCV), while kilocalories per kilogram appear in indian coal grading (GCV in kcal/kg). Both measure specific energy: enthalpy, latent heat and heating value per mass, so the conversion is a fixed factor.
Megajoule per Kilogram to other specific energy units
| Conversion | 1 MJ/kg equals |
|---|---|
| megajoule per kilogram to kilocalorie per kilogram | 238.8458966 kcal/kg |
| megajoule per kilogram to kilojoule per kilogram | 1000 kJ/kg |
| megajoule per kilogram to BTU per pound | 429.9226139 BTU/lb |
| megajoule per kilogram to joule per kilogram | 1000000 J/kg |
| megajoule per kilogram to calorie per gram | 238.8458966 cal/g |
| megajoule per kilogram to kilowatt-hour per kilogram | 0.2777777778 kWh/kg |
| megajoule per kilogram to joule per gram | 1000 J/g |
Frequently asked questions
How many kilocalories per kilogram are in 1 megajoule per kilogram?
1 MJ/kg = 238.8458966 kcal/kg.
How do I convert megajoules per kilogram to kilocalories per kilogram?
Multiply the value in MJ/kg by 238.8458966. For example, 15 MJ/kg × 238.8458966 = 3582.688449 kcal/kg.
Is the MJ/kg to kcal/kg conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
Sources
- The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 4 (derived units with special names).
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "calorie_IT per gram".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Megajoules per Kilogram to Kilocalories per Kilogram. Retrieved October 29, 2026, from https://scientificconverters.com/specific-energy/megajoules-per-kilogram-to-kilocalories-per-kilogram/
IEEE
Scientific Converters, "Convert Megajoules per Kilogram to Kilocalories per Kilogram," scientificconverters.com. Accessed: Oct. 29, 2026. [Online]. Available: https://scientificconverters.com/specific-energy/megajoules-per-kilogram-to-kilocalories-per-kilogram/