Megajoules to Kilocalories (MJ → kcal)
Formula
1 MJ = 239.0057361376673 kcalConversion Table
| MJ | kcal |
|---|---|
| 0 | 0 |
| 1.0000 | 239.01 |
| 2.0000 | 478.01 |
| 3.0000 | 717.02 |
| 4.0000 | 956.02 |
| 5.0000 | 1,195.0 |
| 6.0000 | 1,434.0 |
| 7.0000 | 1,673.0 |
| 8.0000 | 1,912.0 |
| 9.0000 | 2,151.1 |
| 10.000 | 2,390.1 |
| 11.000 | 2,629.1 |
| 12.000 | 2,868.1 |
| 13.000 | 3,107.1 |
| 14.000 | 3,346.1 |
| 15.000 | 3,585.1 |
| 16.000 | 3,824.1 |
| 17.000 | 4,063.1 |
| 18.000 | 4,302.1 |
| 19.000 | 4,541.1 |
| MJ | kcal |
|---|---|
| 20.000 | 4,780.1 |
| 21.000 | 5,019.1 |
| 22.000 | 5,258.1 |
| 23.000 | 5,497.1 |
| 24.000 | 5,736.1 |
| 25.000 | 5,975.1 |
| 26.000 | 6,214.1 |
| 27.000 | 6,453.2 |
| 28.000 | 6,692.2 |
| 29.000 | 6,931.2 |
| 30.000 | 7,170.2 |
| 31.000 | 7,409.2 |
| 32.000 | 7,648.2 |
| 33.000 | 7,887.2 |
| 34.000 | 8,126.2 |
| 35.000 | 8,365.2 |
| 36.000 | 8,604.2 |
| 37.000 | 8,843.2 |
| 38.000 | 9,082.2 |
| 39.000 | 9,321.2 |
| MJ | kcal |
|---|---|
| 40.000 | 9,560.2 |
| 41.000 | 9,799.2 |
| 42.000 | 10,038 |
| 43.000 | 10,277 |
| 44.000 | 10,516 |
| 45.000 | 10,755 |
| 46.000 | 10,994 |
| 47.000 | 11,233 |
| 48.000 | 11,472 |
| 49.000 | 11,711 |
| 50.000 | 11,950 |
| 51.000 | 12,189 |
| 52.000 | 12,428 |
| 53.000 | 12,667 |
| 54.000 | 12,906 |
| 55.000 | 13,145 |
| 56.000 | 13,384 |
| 57.000 | 13,623 |
| 58.000 | 13,862 |
| 59.000 | 14,101 |
| MJ | kcal |
|---|---|
| 60.000 | 14,340 |
| 61.000 | 14,579 |
| 62.000 | 14,818 |
| 63.000 | 15,057 |
| 64.000 | 15,296 |
| 65.000 | 15,535 |
| 66.000 | 15,774 |
| 67.000 | 16,013 |
| 68.000 | 16,252 |
| 69.000 | 16,491 |
| 70.000 | 16,730 |
| 71.000 | 16,969 |
| 72.000 | 17,208 |
| 73.000 | 17,447 |
| 74.000 | 17,686 |
| 75.000 | 17,925 |
| 76.000 | 18,164 |
| 77.000 | 18,403 |
| 78.000 | 18,642 |
| 79.000 | 18,881 |
Megajoules to Kilocalories Conversion
Converting Megajoules (MJ) to Kilocalories (kcal) is a common energy and power conversion. 1 MJ equals 239.005736 kcal. For example, 100 MJ is equal to 23,900.573614 kcal.
Quick Mental Math: Megajoules to Kilocalories
0.02092 megajoules is 5 kilocalories, so use that as the mental anchor.
Why is converting Megajoules to Kilocalories tricky?
megajoules to kilocalories is easy to botch because small calories and food Calories differ by a factor of 1,000.
Quick Reference Values
1 MJ = 239.005736 kcal. 5 MJ = 1,195.028681 kcal. 10 MJ = 2,390.057361 kcal. 25 MJ = 5,975.143403 kcal. 50 MJ = 11,950.286807 kcal. 100 MJ = 23,900.573614 kcal.
What is Megajoules?
Megajoules (MJ) is a unit of energy and power. A megajoule equals one million joules, the SI unit of energy, defined as the work done when applying a force of one newton over one meter. One MJ equals 1,000,000 J exactly. It is used to quantify large energy amounts in scientific, industrial, and engineering contexts [bipm-si-brochure]. The joule was named after James Prescott Joule in the 19th century, honoring his work on energy. The megajoule as a multiple of the joule was standardized with the SI system established by BIPM in 1960 to handle large-scale energy measurements [bipm-si-brochure]. Megajoules are widely used internationally in energy production, mechanical work quantification, and fuel energy content. Industries such as electricity generation, chemical manufacturing, and automotive engineering rely on MJ for reporting energy values [nist-si-guide].
What is Kilocalories?
Kilocalories (kcal) is a unit of energy and power. A kilocalorie equals exactly 1,000 calories and represents the amount of energy needed to raise the temperature of 1 kilogram of water by 1 degree Celsius. It is widely used to quantify food energy and is equivalent to 4,184 joules [bipm-si-brochure]. The calorie was introduced in the early 19th century by Nicolas Clément as a unit of heat energy. The kilocalorie became standard in nutrition science by the early 20th century to express food energy content [bipm-si-brochure]. Kilocalories are used globally in nutrition labeling, especially in the US and Europe, to indicate energy content of foods. Scientific contexts often prefer joules, but kcal remains prevalent in dietetics [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: mega joules, megajoule, mega-joules, megajoules energy, kilo calories, kcalorie, kilo-calories. All of these refer to the Megajoules to Kilocalories conversion.