Kilocalories to Watts (kcal → W)
Formula
1 kcal = 4184 WConversion Table
| kcal | W |
|---|---|
| 0 | 0 |
| 1.0000 | 4,184.0 |
| 2.0000 | 8,368.0 |
| 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 |
| kcal | W |
|---|---|
| 20.000 | 83,680 |
| 21.000 | 87,864 |
| 22.000 | 92,048 |
| 23.000 | 96,232 |
| 24.000 | 100,420 |
| 25.000 | 104,600 |
| 26.000 | 108,780 |
| 27.000 | 112,970 |
| 28.000 | 117,150 |
| 29.000 | 121,340 |
| 30.000 | 125,520 |
| 31.000 | 129,700 |
| 32.000 | 133,890 |
| 33.000 | 138,070 |
| 34.000 | 142,260 |
| 35.000 | 146,440 |
| 36.000 | 150,620 |
| 37.000 | 154,810 |
| 38.000 | 158,990 |
| 39.000 | 163,180 |
| kcal | W |
|---|---|
| 40.000 | 167,360 |
| 41.000 | 171,540 |
| 42.000 | 175,730 |
| 43.000 | 179,910 |
| 44.000 | 184,100 |
| 45.000 | 188,280 |
| 46.000 | 192,460 |
| 47.000 | 196,650 |
| 48.000 | 200,830 |
| 49.000 | 205,020 |
| 50.000 | 209,200 |
| 51.000 | 213,380 |
| 52.000 | 217,570 |
| 53.000 | 221,750 |
| 54.000 | 225,940 |
| 55.000 | 230,120 |
| 56.000 | 234,300 |
| 57.000 | 238,490 |
| 58.000 | 242,670 |
| 59.000 | 246,860 |
| kcal | W |
|---|---|
| 60.000 | 251,040 |
| 61.000 | 255,220 |
| 62.000 | 259,410 |
| 63.000 | 263,590 |
| 64.000 | 267,780 |
| 65.000 | 271,960 |
| 66.000 | 276,140 |
| 67.000 | 280,330 |
| 68.000 | 284,510 |
| 69.000 | 288,700 |
| 70.000 | 292,880 |
| 71.000 | 297,060 |
| 72.000 | 301,250 |
| 73.000 | 305,430 |
| 74.000 | 309,620 |
| 75.000 | 313,800 |
| 76.000 | 317,980 |
| 77.000 | 322,170 |
| 78.000 | 326,350 |
| 79.000 | 330,540 |
Kilocalories to Watts Conversion
Converting Kilocalories (kcal) to Watts (W) is a common energy and power conversion. 1 kcal equals 4,184 W. For example, 100 kcal is equal to 418,400 W.
Quick Mental Math: Kilocalories to Watts
If 0.01195 kilocalories is released in 1 second, it is about 50 watts.
Why is converting Kilocalories to Watts tricky?
kilocalories to watts mixes energy with power, so the missing time step is the trap: the same energy gives different power over 1 second and 1 hour.
Quick Reference Values
1 kcal = 4,184 W. 5 kcal = 20,920 W. 10 kcal = 41,840 W. 25 kcal = 104,600 W. 50 kcal = 209,200 W. 100 kcal = 418,400 W.
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 Watts?
Watts (W) is a unit of energy and power. The watt (W) is the SI unit of power, defined as one joule per second (1 W = 1 J/s). It measures the rate of energy transfer or conversion. The watt is named after James Watt and standardized by the BIPM according to the International System of Units [bipm-si-brochure]. Named after engineer James Watt in the late 19th century, the watt was adopted officially by the CIPM and BIPM to quantify mechanical and electrical power consistently. It became part of the SI base units in 1960 [bipm-si-brochure]. Watts measure power output and consumption in electrical, mechanical, and thermal systems globally. It is used across industries, including electronics, automotive, and power generation, following ISO and NIST standards [nist-sp-811].
Common Misspellings
People often search for this conversion using these alternate spellings: kilo calories, kcalorie, kilo-calories, watt, wat, wats, wattss. All of these refer to the Kilocalories to Watts conversion.