Kilocalories to Petajoules (kcal → PJ)
Formula
1 kcal = 4.184e-12 PJConversion Table
| kcal | PJ |
|---|---|
| 0 | 0 |
| 1.0000 | 0.0000000000041840 |
| 2.0000 | 0.0000000000083680 |
| 3.0000 | 0.000000000012552 |
| 4.0000 | 0.000000000016736 |
| 5.0000 | 0.000000000020920 |
| 6.0000 | 0.000000000025104 |
| 7.0000 | 0.000000000029288 |
| 8.0000 | 0.000000000033472 |
| 9.0000 | 0.000000000037656 |
| 10.000 | 0.000000000041840 |
| 11.000 | 0.000000000046024 |
| 12.000 | 0.000000000050208 |
| 13.000 | 0.000000000054392 |
| 14.000 | 0.000000000058576 |
| 15.000 | 0.000000000062760 |
| 16.000 | 0.000000000066944 |
| 17.000 | 0.000000000071128 |
| 18.000 | 0.000000000075312 |
| 19.000 | 0.000000000079496 |
| kcal | PJ |
|---|---|
| 20.000 | 0.000000000083680 |
| 21.000 | 0.000000000087864 |
| 22.000 | 0.000000000092048 |
| 23.000 | 0.000000000096232 |
| 24.000 | 0.00000000010042 |
| 25.000 | 0.00000000010460 |
| 26.000 | 0.00000000010878 |
| 27.000 | 0.00000000011297 |
| 28.000 | 0.00000000011715 |
| 29.000 | 0.00000000012134 |
| 30.000 | 0.00000000012552 |
| 31.000 | 0.00000000012970 |
| 32.000 | 0.00000000013389 |
| 33.000 | 0.00000000013807 |
| 34.000 | 0.00000000014226 |
| 35.000 | 0.00000000014644 |
| 36.000 | 0.00000000015062 |
| 37.000 | 0.00000000015481 |
| 38.000 | 0.00000000015899 |
| 39.000 | 0.00000000016318 |
| kcal | PJ |
|---|---|
| 40.000 | 0.00000000016736 |
| 41.000 | 0.00000000017154 |
| 42.000 | 0.00000000017573 |
| 43.000 | 0.00000000017991 |
| 44.000 | 0.00000000018410 |
| 45.000 | 0.00000000018828 |
| 46.000 | 0.00000000019246 |
| 47.000 | 0.00000000019665 |
| 48.000 | 0.00000000020083 |
| 49.000 | 0.00000000020502 |
| 50.000 | 0.00000000020920 |
| 51.000 | 0.00000000021338 |
| 52.000 | 0.00000000021757 |
| 53.000 | 0.00000000022175 |
| 54.000 | 0.00000000022594 |
| 55.000 | 0.00000000023012 |
| 56.000 | 0.00000000023430 |
| 57.000 | 0.00000000023849 |
| 58.000 | 0.00000000024267 |
| 59.000 | 0.00000000024686 |
| kcal | PJ |
|---|---|
| 60.000 | 0.00000000025104 |
| 61.000 | 0.00000000025522 |
| 62.000 | 0.00000000025941 |
| 63.000 | 0.00000000026359 |
| 64.000 | 0.00000000026778 |
| 65.000 | 0.00000000027196 |
| 66.000 | 0.00000000027614 |
| 67.000 | 0.00000000028033 |
| 68.000 | 0.00000000028451 |
| 69.000 | 0.00000000028870 |
| 70.000 | 0.00000000029288 |
| 71.000 | 0.00000000029706 |
| 72.000 | 0.00000000030125 |
| 73.000 | 0.00000000030543 |
| 74.000 | 0.00000000030962 |
| 75.000 | 0.00000000031380 |
| 76.000 | 0.00000000031798 |
| 77.000 | 0.00000000032217 |
| 78.000 | 0.00000000032635 |
| 79.000 | 0.00000000033054 |
Kilocalories to Petajoules Conversion
Converting Kilocalories (kcal) to Petajoules (PJ) is a common energy and power conversion. 1 kcal equals 0 PJ. For example, 100 kcal is equal to 0 PJ.
Quick Mental Math: Kilocalories to Petajoules
1 kilocalorie is 0.000000000004184 petajoules, so use that as the mental anchor.
Why is converting Kilocalories to Petajoules tricky?
kilocalories to petajoules is easy to botch because small calories and food Calories differ by a factor of 1,000.
Quick Reference Values
1 kcal = 0 PJ. 5 kcal = 0 PJ. 10 kcal = 0 PJ. 25 kcal = 0 PJ. 50 kcal = 0 PJ. 100 kcal = 0 PJ.
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].
What is Petajoules?
Petajoules (PJ) is a unit of energy and power. A petajoule equals 10¹⁵ joules and measures very large amounts of energy. It quantifies national energy consumption, large-scale industrial processes, and natural energy resources. The joule is the SI unit of energy defined as one newton meter [bipm-si-brochure]. The joule was named after James Prescott Joule and formalized in the SI system in 1960. The petajoule, using the SI prefix peta- (10¹⁵), arose to express massive energy quantities in science and engineering [bipm-si-brochure]. Petajoules are used worldwide in energy statistics, including by the International Energy Agency and national energy departments. They quantify energy production, consumption, and reserves on a country or industrial scale [nist-cuu].
Common Misspellings
People often search for this conversion using these alternate spellings: kilo calories, kcalorie, kilo-calories, peta joules, petajoule, petajools, petajoul. All of these refer to the Kilocalories to Petajoules conversion.