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To convert from Kilocalorie (kcal) to Kilowatt-hour (kWh), use the following formula:
Kilowatt-hour (kWh)
= 1000 × 4.184 × 160 × 60 × 1000× Kilocalorie (kcal)
= 0.0011622222222222222222× Kilocalorie (kcal)
With 4.184 is the ratio between the base units Joule (J) and calorie (cal).
Let's convert 5 Kilocalorie (kcal) to Kilowatt-hour (kWh).
Using the formula:
5 × 0.0011622222222222222222 = 0.005811111111111111111
Therefore, 5 Kilocalorie (kcal) is equal to 0.005811111111111111111 Kilowatt-hour (kWh).
How many kilocalories are in one kilowatt-hour? One Kilowatt-hour (kWh) contains 860.42065009560229446 Kilocalories (kcal) — the inverse of the factor above. Multiplying by 0.0011622222222222222222 takes you from kilocalories to kilowatt-hours; multiplying by 860.42065009560229446 brings you back.
Put in words: one kilocalorie equals 0.0011622222222222222222 kilowatt-hours, so the kilocalorie is the smaller unit of this pair. Converting between them never changes the amount of energy being measured — only the size of the unit you count it in.
A kilocalorie (kcal) is a unit used to measure energy.
Just as a kilometer is 1,000 meters, one kilocalorie is equal to 1,000 small calories (cal).
It's the most common unit for discussing the energy content of food.
Have you ever noticed the word "Calories" on a food label? What you're actually seeing is a kilocalorie (kcal).
Here's the simple breakdown:
Essentially, in the world of nutrition, the terms Calorie and kilocalorie are used interchangeably.
The "small calorie" (cal) is a much smaller unit and is primarily used in science labs.
Scientifically, a kilocalorie is the amount of energy needed to heat one kilogram of water by one degree Celsius.
This precise measurement allows scientists to determine how much energy your body can get from the macronutrients in your food, such as:
When a food label says a serving has 100 Calories, it means that's the amount of energy your body can use from it.
The kilocalorie isn't just for food!
As a fundamental unit of energy, it's also used in fields like physics and chemistry to measure energy in chemical reactions and heat transfer.
A kilowatt-hour (kWh) is a measurement of energy. It's the standard unit your utility company uses to measure how much electricity you use.
While it has a technical definition (one kWh equals 3.6 million Joules), it's much easier to understand in terms of how you use appliances at home.
Your utility company uses the kilowatt-hour (kWh) to bill you for the total amount of electrical energy your home or business consumes over a period.
Every appliance, from your refrigerator to your television, has a power rating in watts.
When you use a 1,000-watt (or 1-kilowatt) appliance for one full hour, you consume exactly one kilowatt-hour of energy. This usage is tracked by your electric meter and shows up on your monthly bill.
A common point of confusion is the distinction between a kilowatt (kW) and a kilowatt-hour (kWh).
Here's a simple analogy to make it clear: Kilowatts (kW) are like your car's speed, and kilowatt-hours (kWh) are like the distance you travel.
Power (kW) measures how fast you're using energy right now (your speed).
Energy (kWh) measures the total amount of electricity you used over your entire journey (the distance you traveled).
To put it in perspective, one kilowatt-hour (kWh) is a significant amount of energy that can power various common household activities.
For example, a single kWh can let you:
This unit provides a tangible way to understand and track your daily energy consumption.
Here are some quick reference conversions from Kilocalorie (kcal) to Kilowatt-hour (kWh):
| Kilocalories | Kilowatt-hours |
|---|---|
| 0.000001 kcal | 1.1622222222222222222× 10-9 kWh |
| 0.001 kcal | 0.0000011622222222222222222 kWh |
| 0.1 kcal | 0.00011622222222222222222 kWh |
| 1 kcal | 0.0011622222222222222222 kWh |
| 2 kcal | 0.0023244444444444444444 kWh |
| 3 kcal | 0.0034866666666666666666 kWh |
| 4 kcal | 0.0046488888888888888888 kWh |
| 5 kcal | 0.005811111111111111111 kWh |
| 6 kcal | 0.0069733333333333333332 kWh |
| 7 kcal | 0.0081355555555555555554 kWh |
| 8 kcal | 0.0092977777777777777776 kWh |
| 9 kcal | 0.01046 kWh |
| 10 kcal | 0.011622222222222222222 kWh |
| 20 kcal | 0.023244444444444444444 kWh |
| 30 kcal | 0.034866666666666666666 kWh |
| 40 kcal | 0.046488888888888888888 kWh |
| 50 kcal | 0.05811111111111111111 kWh |
| 100 kcal | 0.11622222222222222222 kWh |
| 1000 kcal | 1.1622222222222222222 kWh |
| 10000 kcal | 11.622222222222222222 kWh |
For all Energy converters, choose units using the From/To dropdowns above.