Kilocalories to Watt Hours (kcal → Wh)
Formula
1 kcal = 1.1622222222222223 WhConversion Table
| kcal | Wh |
|---|---|
| 0 | 0 |
| 1.0000 | 1.1622 |
| 2.0000 | 2.3244 |
| 3.0000 | 3.4867 |
| 4.0000 | 4.6489 |
| 5.0000 | 5.8111 |
| 6.0000 | 6.9733 |
| 7.0000 | 8.1356 |
| 8.0000 | 9.2978 |
| 9.0000 | 10.460 |
| 10.000 | 11.622 |
| 11.000 | 12.784 |
| 12.000 | 13.947 |
| 13.000 | 15.109 |
| 14.000 | 16.271 |
| 15.000 | 17.433 |
| 16.000 | 18.596 |
| 17.000 | 19.758 |
| 18.000 | 20.920 |
| 19.000 | 22.082 |
| kcal | Wh |
|---|---|
| 20.000 | 23.244 |
| 21.000 | 24.407 |
| 22.000 | 25.569 |
| 23.000 | 26.731 |
| 24.000 | 27.893 |
| 25.000 | 29.056 |
| 26.000 | 30.218 |
| 27.000 | 31.380 |
| 28.000 | 32.542 |
| 29.000 | 33.704 |
| 30.000 | 34.867 |
| 31.000 | 36.029 |
| 32.000 | 37.191 |
| 33.000 | 38.353 |
| 34.000 | 39.516 |
| 35.000 | 40.678 |
| 36.000 | 41.840 |
| 37.000 | 43.002 |
| 38.000 | 44.164 |
| 39.000 | 45.327 |
| kcal | Wh |
|---|---|
| 40.000 | 46.489 |
| 41.000 | 47.651 |
| 42.000 | 48.813 |
| 43.000 | 49.976 |
| 44.000 | 51.138 |
| 45.000 | 52.300 |
| 46.000 | 53.462 |
| 47.000 | 54.624 |
| 48.000 | 55.787 |
| 49.000 | 56.949 |
| 50.000 | 58.111 |
| 51.000 | 59.273 |
| 52.000 | 60.436 |
| 53.000 | 61.598 |
| 54.000 | 62.760 |
| 55.000 | 63.922 |
| 56.000 | 65.084 |
| 57.000 | 66.247 |
| 58.000 | 67.409 |
| 59.000 | 68.571 |
| kcal | Wh |
|---|---|
| 60.000 | 69.733 |
| 61.000 | 70.896 |
| 62.000 | 72.058 |
| 63.000 | 73.220 |
| 64.000 | 74.382 |
| 65.000 | 75.544 |
| 66.000 | 76.707 |
| 67.000 | 77.869 |
| 68.000 | 79.031 |
| 69.000 | 80.193 |
| 70.000 | 81.356 |
| 71.000 | 82.518 |
| 72.000 | 83.680 |
| 73.000 | 84.842 |
| 74.000 | 86.004 |
| 75.000 | 87.167 |
| 76.000 | 88.329 |
| 77.000 | 89.491 |
| 78.000 | 90.653 |
| 79.000 | 91.816 |
Kilocalories to Watt Hours Conversion
Converting Kilocalories (kcal) to Watt Hours (Wh) is a common energy and power conversion. 1 kcal equals 1.162222 Wh. For example, 100 kcal is equal to 116.222222 Wh.
Quick Mental Math: Kilocalories to Watt Hours
0.8604 kilocalories is 1 watt-hour, so use that as the mental anchor.
Why is converting Kilocalories to Watt Hours tricky?
kilocalories to watt hours is easy to botch because small calories and food Calories differ by a factor of 1,000.
Quick Reference Values
1 kcal = 1.162222 Wh. 5 kcal = 5.811111 Wh. 10 kcal = 11.622222 Wh. 25 kcal = 29.055556 Wh. 50 kcal = 58.111111 Wh. 100 kcal = 116.222222 Wh.
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 Watt Hours?
Watt Hours (Wh) is a unit of energy and power. A watt-hour (Wh) measures energy equivalent to one watt of power expended for one hour. It equals 3600 joules in SI derived units, where 1 Wh = 1 W × 3600 s. Watt-hours quantify electrical energy consumption and storage in batteries and utility meters [nist-si-guide]. The watt-hour emerged with the widespread use of electric power in the late 19th century. It was standardized as an energy unit by electrical engineers and later formalized within the International System of Units framework [bipm-si-brochure]. Utility companies worldwide bill electricity in kilowatt-hours, a multiple of watt-hours. The unit is critical for residential, commercial, and industrial energy monitoring and renewable energy systems across all continents [nist-si-guide].
Common Misspellings
People often search for this conversion using these alternate spellings: kilo calories, kcalorie, kilo-calories, watt hours, watt-hour, watt hour, watthours. All of these refer to the Kilocalories to Watt Hours conversion.