Megatons of TNT to Kilocalories (MtTNT → kcal)
Formula
1 MtTNT = 1000000000000 kcalConversion Table
| MtTNT | kcal |
|---|---|
| 0 | 0 |
| 1.0000 | 1,000,000,000,000 |
| 2.0000 | 2,000,000,000,000 |
| 3.0000 | 3,000,000,000,000 |
| 4.0000 | 4,000,000,000,000 |
| 5.0000 | 5,000,000,000,000 |
| 6.0000 | 6,000,000,000,000 |
| 7.0000 | 7,000,000,000,000 |
| 8.0000 | 8,000,000,000,000 |
| 9.0000 | 9,000,000,000,000 |
| 10.000 | 10,000,000,000,000 |
| 11.000 | 11,000,000,000,000 |
| 12.000 | 12,000,000,000,000 |
| 13.000 | 13,000,000,000,000 |
| 14.000 | 14,000,000,000,000 |
| 15.000 | 15,000,000,000,000 |
| 16.000 | 16,000,000,000,000 |
| 17.000 | 17,000,000,000,000 |
| 18.000 | 18,000,000,000,000 |
| 19.000 | 19,000,000,000,000 |
| MtTNT | kcal |
|---|---|
| 20.000 | 20,000,000,000,000 |
| 21.000 | 21,000,000,000,000 |
| 22.000 | 22,000,000,000,000 |
| 23.000 | 23,000,000,000,000 |
| 24.000 | 24,000,000,000,000 |
| 25.000 | 25,000,000,000,000 |
| 26.000 | 26,000,000,000,000 |
| 27.000 | 27,000,000,000,000 |
| 28.000 | 28,000,000,000,000 |
| 29.000 | 29,000,000,000,000 |
| 30.000 | 30,000,000,000,000 |
| 31.000 | 31,000,000,000,000 |
| 32.000 | 32,000,000,000,000 |
| 33.000 | 33,000,000,000,000 |
| 34.000 | 34,000,000,000,000 |
| 35.000 | 35,000,000,000,000 |
| 36.000 | 36,000,000,000,000 |
| 37.000 | 37,000,000,000,000 |
| 38.000 | 38,000,000,000,000 |
| 39.000 | 39,000,000,000,000 |
| MtTNT | kcal |
|---|---|
| 40.000 | 40,000,000,000,000 |
| 41.000 | 41,000,000,000,000 |
| 42.000 | 42,000,000,000,000 |
| 43.000 | 43,000,000,000,000 |
| 44.000 | 44,000,000,000,000 |
| 45.000 | 45,000,000,000,000 |
| 46.000 | 46,000,000,000,000 |
| 47.000 | 47,000,000,000,000 |
| 48.000 | 48,000,000,000,000 |
| 49.000 | 49,000,000,000,000 |
| 50.000 | 50,000,000,000,000 |
| 51.000 | 51,000,000,000,000 |
| 52.000 | 52,000,000,000,000 |
| 53.000 | 53,000,000,000,000 |
| 54.000 | 54,000,000,000,000 |
| 55.000 | 55,000,000,000,000 |
| 56.000 | 56,000,000,000,000 |
| 57.000 | 57,000,000,000,000 |
| 58.000 | 58,000,000,000,000 |
| 59.000 | 59,000,000,000,000 |
| MtTNT | kcal |
|---|---|
| 60.000 | 60,000,000,000,000 |
| 61.000 | 61,000,000,000,000 |
| 62.000 | 62,000,000,000,000 |
| 63.000 | 63,000,000,000,000 |
| 64.000 | 64,000,000,000,000 |
| 65.000 | 65,000,000,000,000 |
| 66.000 | 66,000,000,000,000 |
| 67.000 | 67,000,000,000,000 |
| 68.000 | 68,000,000,000,000 |
| 69.000 | 69,000,000,000,000 |
| 70.000 | 70,000,000,000,000 |
| 71.000 | 71,000,000,000,000 |
| 72.000 | 72,000,000,000,000 |
| 73.000 | 73,000,000,000,000 |
| 74.000 | 74,000,000,000,000 |
| 75.000 | 75,000,000,000,000 |
| 76.000 | 76,000,000,000,000 |
| 77.000 | 77,000,000,000,000 |
| 78.000 | 78,000,000,000,000 |
| 79.000 | 79,000,000,000,000 |
Megatons of TNT to Kilocalories Conversion
Converting Megatons of TNT (MtTNT) to Kilocalories (kcal) is a common energy and power conversion. 1 MtTNT equals 1,000,000,000,000 kcal. For example, 100 MtTNT is equal to 100,000,000,000,000 kcal.
Quick Mental Math: Megatons of TNT to Kilocalories
Multiply megatons of tnt by 1.0e+3 for kilocalories; each metric tier adds three zeros.
Why is converting Megatons of TNT to Kilocalories tricky?
Magnitude or direction confusion between megatons-of-tnt and kilocalories is the primary error source.
Quick Reference Values
1 MtTNT = 1,000,000,000,000 kcal. 5 MtTNT = 5,000,000,000,000 kcal. 10 MtTNT = 10,000,000,000,000 kcal. 25 MtTNT = 25,000,000,000,000 kcal. 50 MtTNT = 50,000,000,000,000 kcal. 100 MtTNT = 100,000,000,000,000 kcal.
What is Megatons of TNT?
Megatons of TNT (MtTNT) is a unit of energy and power. The megaton of TNT is a unit of energy equivalent to 4.184 × 10¹⁵ joules, representing the explosive energy of one million tons of TNT. It serves as a standard measure for nuclear weapon yields and large-scale explosions. This unit relates chemical energy release to a practical benchmark in military and geological contexts[nist-si-guide]. The concept of measuring explosive power in tons of TNT originated in the early 20th century. The megaton scale was formalized during the Cold War to quantify nuclear weapon yields, with official adoption in scientific literature by agencies such as the US Department of Energy in the mid-20th century[nist-si-guide]. Megatons of TNT remain the primary unit for expressing nuclear weapon yield globally, used by defense analysts and scientists in the US, Russia, and other nuclear-capable nations. The unit also appears in seismology to estimate energy released by large earthquakes and asteroid impacts[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 tons of TNT, megatonnes of TNT, megatons TNT, megaton of tnt, megaton tnt, kilo calories, kcalorie, kilo-calories. All of these refer to the Megatons of TNT to Kilocalories conversion.