Calories (Nutritional) to Kilojoules (Cal → kJ)
Formula
1 Cal = 4.184 kJConversion Table
| Cal | kJ |
|---|---|
| 0 | 0 |
| 1.0000 | 4.1840 |
| 2.0000 | 8.3680 |
| 3.0000 | 12.552 |
| 4.0000 | 16.736 |
| 5.0000 | 20.920 |
| 6.0000 | 25.104 |
| 7.0000 | 29.288 |
| 8.0000 | 33.472 |
| 9.0000 | 37.656 |
| 10.000 | 41.840 |
| 11.000 | 46.024 |
| 12.000 | 50.208 |
| 13.000 | 54.392 |
| 14.000 | 58.576 |
| 15.000 | 62.760 |
| 16.000 | 66.944 |
| 17.000 | 71.128 |
| 18.000 | 75.312 |
| 19.000 | 79.496 |
| Cal | kJ |
|---|---|
| 20.000 | 83.680 |
| 21.000 | 87.864 |
| 22.000 | 92.048 |
| 23.000 | 96.232 |
| 24.000 | 100.42 |
| 25.000 | 104.60 |
| 26.000 | 108.78 |
| 27.000 | 112.97 |
| 28.000 | 117.15 |
| 29.000 | 121.34 |
| 30.000 | 125.52 |
| 31.000 | 129.70 |
| 32.000 | 133.89 |
| 33.000 | 138.07 |
| 34.000 | 142.26 |
| 35.000 | 146.44 |
| 36.000 | 150.62 |
| 37.000 | 154.81 |
| 38.000 | 158.99 |
| 39.000 | 163.18 |
| Cal | kJ |
|---|---|
| 40.000 | 167.36 |
| 41.000 | 171.54 |
| 42.000 | 175.73 |
| 43.000 | 179.91 |
| 44.000 | 184.10 |
| 45.000 | 188.28 |
| 46.000 | 192.46 |
| 47.000 | 196.65 |
| 48.000 | 200.83 |
| 49.000 | 205.02 |
| 50.000 | 209.20 |
| 51.000 | 213.38 |
| 52.000 | 217.57 |
| 53.000 | 221.75 |
| 54.000 | 225.94 |
| 55.000 | 230.12 |
| 56.000 | 234.30 |
| 57.000 | 238.49 |
| 58.000 | 242.67 |
| 59.000 | 246.86 |
| Cal | kJ |
|---|---|
| 60.000 | 251.04 |
| 61.000 | 255.22 |
| 62.000 | 259.41 |
| 63.000 | 263.59 |
| 64.000 | 267.78 |
| 65.000 | 271.96 |
| 66.000 | 276.14 |
| 67.000 | 280.33 |
| 68.000 | 284.51 |
| 69.000 | 288.70 |
| 70.000 | 292.88 |
| 71.000 | 297.06 |
| 72.000 | 301.25 |
| 73.000 | 305.43 |
| 74.000 | 309.62 |
| 75.000 | 313.80 |
| 76.000 | 317.98 |
| 77.000 | 322.17 |
| 78.000 | 326.35 |
| 79.000 | 330.54 |
Calories (Nutritional) to Kilojoules Conversion
Converting Calories (Nutritional) (Cal) to Kilojoules (kJ) is a common energy and power conversion. 1 Cal equals 4.184 kJ. For example, 100 Cal is equal to 418.4 kJ.
Quick Mental Math: Calories (Nutritional) to Kilojoules
Multiply calories-nutritional by 4.18 to convert to kilojoules.
Why is converting Calories (Nutritional) to Kilojoules tricky?
calories-nutritional to kilojoules involves large exponents that complicate mental arithmetic.
Quick Reference Values
1 Cal = 4.184 kJ. 5 Cal = 20.92 kJ. 10 Cal = 41.84 kJ. 25 Cal = 104.6 kJ. 50 Cal = 209.2 kJ. 100 Cal = 418.4 kJ.
What is Calories (Nutritional)?
Calories (Nutritional) (Cal) is a unit of energy and power. The nutritional calorie (Cal), also known as the kilocalorie, equals 1000 small calories (cal) or 4184 joules. It measures the energy content in food and is the standard unit in nutrition labeling worldwide [nist-sp-811]. Adopted in the early 20th century to quantify food energy, this unit was standardized for nutrition science and public health by organizations such as the USDA and WHO [nist-sp-811]. Used globally in food labeling, dietetics, and health sciences to quantify dietary energy. Countries including the USA, Canada, and EU member states use this unit in nutrition information [nist-sp-811].
What is Kilojoules?
Kilojoules (kJ) is a unit of energy and power. A kilojoule is a unit of energy equal to 1,000 joules. It quantifies work, heat, or energy transfer in the metric system, with one joule defined as one newton meter. Kilojoules are widely applied in physics, chemistry, and nutrition to measure energy content or expenditure [iso-80000]. The joule unit was named after James Prescott Joule in the late 19th century, reflecting mechanical equivalent of heat measurements. The kilojoule, as a multiple, became common with SI adoption to express larger energy quantities clearly and is standardized by ISO and BIPM [bipm-si-brochure]. Kilojoules are standard in scientific disciplines globally for energy quantification. Nutrition labels in many countries use kilojoules to indicate food energy content, while engineering and physics consistently apply kJ for energy calculations [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: calorie nutritional, nutritional calorie, nutritional cal, Calories nutritional, kilojoule, kilo joules, kilojouls, kilojoules energy, kj. All of these refer to the Calories (Nutritional) to Kilojoules conversion.