| Kilocalories (kcal) | Watt-seconds (Ws) |
|---|---|
| 0 | 0 |
| 1 | 4184 |
| 2 | 8368 |
| 3 | 12552 |
| 4 | 16736 |
| 5 | 20920 |
| 6 | 25104 |
| 7 | 29288 |
| 8 | 33472 |
| 9 | 37656 |
| 10 | 41840 |
| 20 | 83680 |
| 30 | 125520 |
| 40 | 167360 |
| 50 | 209200 |
| 60 | 251040 |
| 70 | 292880 |
| 80 | 334720 |
| 90 | 376560 |
| 100 | 418400 |
| 1000 | 4184000 |
Certainly! The kilocalorie (often abbreviated as kcal) is a unit of energy commonly used in nutrition. It is equivalent to 1,000 calories. In the International System of Units (SI), energy is measured in joules (J). Watt-seconds are another way to express joules, since 1 watt = 1 joule/second.
1 kilocalorie is defined as the amount of energy required to raise the temperature of one kilogram of water by one degree Celsius.
The exact conversion factor is: 1 kilocalorie (kcal) = 4,184 joules (J)
Since 1 joule is equivalent to 1 watt-second (W⋅s), 1 kilocalorie (kcal) = 4,184 watt-seconds (W⋅s)
Exercise:
Food:
Daily Caloric Intake:
Heating:
Understanding these conversions can help in various contexts, from nutritional science to physics, as it bridges the gap between the energy content of food and the physical units of energy.
See below section for step by step unit conversion with formulas and explanations. Please refer to the table below for a list of all the Watt-seconds to other unit conversions.
Kilocalories (kcal) are a unit of energy that measures the amount of heat or energy required to raise the temperature of 1 kilogram of water by 1 degree Celsius. In other words, it's a measure of how much energy is needed to change the state of a substance (in this case, water).
In nutrition and food science, kilocalories are used to express the energy content of foods and drinks. One kilocalorie is equal to 1000 calories (not to be confused with "Calories" which is capitalized and refers to the unit of energy specifically related to the human body). The term "kilocalorie" is often shortened to simply "calorie", but technically, it's a measure of the energy content of foods and drinks.
Here are some examples of how kilocalories are used in everyday life:
To give you an idea of the scale, here are some approximate kilocalorie values for common foods and drinks:
I hope that helps you understand what kilocalories are!
Watt-seconds, also known as joules (J), is a unit of energy. It represents the amount of energy expended or work done when 1 watt (a unit of power) is applied for 1 second.
In essence, it measures how much "oomph" or "energy punch" is delivered in that one-second period. Think of it as a way to quantify the total energy transferred by a source (like a light bulb) over a short duration.
| Convert 1 kcal to other units | Result |
|---|---|
| Kilocalories to Watt-seconds (kcal to Ws) | 4184 |
| Kilocalories to Watt-minutes (kcal to Wm) | 69.733333333333 |
| Kilocalories to Watt-hours (kcal to Wh) | 1.1622222222222 |
| Kilocalories to Milliwatt-hours (kcal to mWh) | 1162.2222222222 |
| Kilocalories to Kilowatt-hours (kcal to kWh) | 0.001162222222222 |
| Kilocalories to Megawatt-hours (kcal to MWh) | 0.000001162222222222 |
| Kilocalories to Gigawatt-hours (kcal to GWh) | 1.1622222222222e-9 |
| Kilocalories to Joules (kcal to J) | 4184 |
| Kilocalories to Kilojoules (kcal to kJ) | 4.184 |
| Kilocalories to Megajoules (kcal to MJ) | 0.004184 |
| Kilocalories to Gigajoules (kcal to GJ) | 0.000004184 |
| Kilocalories to calories (kcal to cal) | 1000 |