Megajoules to Calories (MJ → cal)
Formula
1 MJ = 239005.7361376673 calConversion Table
| MJ | cal |
|---|---|
| 0 | 0 |
| 1.0000 | 239,010 |
| 2.0000 | 478,010 |
| 3.0000 | 717,020 |
| 4.0000 | 956,020 |
| 5.0000 | 1,195,000 |
| 6.0000 | 1,434,000 |
| 7.0000 | 1,673,000 |
| 8.0000 | 1,912,000 |
| 9.0000 | 2,151,100 |
| 10.000 | 2,390,100 |
| 11.000 | 2,629,100 |
| 12.000 | 2,868,100 |
| 13.000 | 3,107,100 |
| 14.000 | 3,346,100 |
| 15.000 | 3,585,100 |
| 16.000 | 3,824,100 |
| 17.000 | 4,063,100 |
| 18.000 | 4,302,100 |
| 19.000 | 4,541,100 |
| MJ | cal |
|---|---|
| 20.000 | 4,780,100 |
| 21.000 | 5,019,100 |
| 22.000 | 5,258,100 |
| 23.000 | 5,497,100 |
| 24.000 | 5,736,100 |
| 25.000 | 5,975,100 |
| 26.000 | 6,214,100 |
| 27.000 | 6,453,200 |
| 28.000 | 6,692,200 |
| 29.000 | 6,931,200 |
| 30.000 | 7,170,200 |
| 31.000 | 7,409,200 |
| 32.000 | 7,648,200 |
| 33.000 | 7,887,200 |
| 34.000 | 8,126,200 |
| 35.000 | 8,365,200 |
| 36.000 | 8,604,200 |
| 37.000 | 8,843,200 |
| 38.000 | 9,082,200 |
| 39.000 | 9,321,200 |
| MJ | cal |
|---|---|
| 40.000 | 9,560,200 |
| 41.000 | 9,799,200 |
| 42.000 | 10,038,000 |
| 43.000 | 10,277,000 |
| 44.000 | 10,516,000 |
| 45.000 | 10,755,000 |
| 46.000 | 10,994,000 |
| 47.000 | 11,233,000 |
| 48.000 | 11,472,000 |
| 49.000 | 11,711,000 |
| 50.000 | 11,950,000 |
| 51.000 | 12,189,000 |
| 52.000 | 12,428,000 |
| 53.000 | 12,667,000 |
| 54.000 | 12,906,000 |
| 55.000 | 13,145,000 |
| 56.000 | 13,384,000 |
| 57.000 | 13,623,000 |
| 58.000 | 13,862,000 |
| 59.000 | 14,101,000 |
| MJ | cal |
|---|---|
| 60.000 | 14,340,000 |
| 61.000 | 14,579,000 |
| 62.000 | 14,818,000 |
| 63.000 | 15,057,000 |
| 64.000 | 15,296,000 |
| 65.000 | 15,535,000 |
| 66.000 | 15,774,000 |
| 67.000 | 16,013,000 |
| 68.000 | 16,252,000 |
| 69.000 | 16,491,000 |
| 70.000 | 16,730,000 |
| 71.000 | 16,969,000 |
| 72.000 | 17,208,000 |
| 73.000 | 17,447,000 |
| 74.000 | 17,686,000 |
| 75.000 | 17,925,000 |
| 76.000 | 18,164,000 |
| 77.000 | 18,403,000 |
| 78.000 | 18,642,000 |
| 79.000 | 18,881,000 |
Megajoules to Calories Conversion
Converting Megajoules (MJ) to Calories (cal) is a common energy and power conversion. 1 MJ equals 239,005.736138 cal. For example, 100 MJ is equal to 23,900,573.613767 cal.
Quick Mental Math: Megajoules to Calories
1 megajoule is 239000 calories, so use that as the mental anchor.
Why is converting Megajoules to Calories tricky?
megajoules to calories is easy to botch because small calories and food Calories differ by a factor of 1,000.
Quick Reference Values
1 MJ = 239,005.736138 cal. 5 MJ = 1,195,028.680688 cal. 10 MJ = 2,390,057.361377 cal. 25 MJ = 5,975,143.403442 cal. 50 MJ = 11,950,286.806883 cal. 100 MJ = 23,900,573.613767 cal.
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 Calories?
Calories (cal) is a unit of energy and power. The calorie (cal) is defined as exactly 4.184 joules. It quantifies the energy needed to raise the temperature of one gram of water by 1°C under standard conditions. The calorie is widely used in chemistry and nutrition to express energy content [bipm-si-brochure]. The calorie was introduced in the early 19th century by Nicolas Clément and standardized internationally in the 20th century. It was adopted for practical energy measurement in chemistry and food science before the joule became the SI unit [bipm-si-brochure]. Calories remain common in food labeling, nutrition, and chemistry worldwide. The dietary Calorie (kcal) is prevalent in the US, Europe, and many countries while scientific contexts prefer the joule [bipm-si-brochure].
Common Misspellings
People often search for this conversion using these alternate spellings: mega joules, megajoule, mega-joules, megajoules energy, calorie, cal, calory, calo. All of these refer to the Megajoules to Calories conversion.