Watt Hours To Calories Conversion

1 Wh = 859.84522785899 cal

Want to convert from calories to watt hours instead?

Disclaimer: We've spent hundreds of hours building and testing our calculators and conversion tools. However, we cannot be held liable for any damages or losses (monetary or otherwise) arising out of or in connection with their use. Full disclaimer.

How to convert watt hours to calories (Wh to cal)

The formula for converting watt hours to calories is: cal = Wh × 859.84522785899. To calculate the watt hour value in calories first substitute the watt hour value into the preceding formula, and then perform the calculation. If we wanted to calculate 1 watt hour in calories we follow these steps:

cal = Wh × 859.84522785899

cal = 1 × 859.84522785899

cal = 859.84522785899

In other words, 1 watt hour is equal to 859.84522785899 calories.

Example Conversion

Let's take a look at an example. The step-by-step process to convert 5 watt hours to calories is:

Understand the conversion formula: cal = Wh × 859.84522785899
Substitute the required value. In this case we substitute 5 for Wh so the formula becomes: cal = 5 × 859.84522785899
Calculate the result using the provided values. In our example the result is: 5 × 859.84522785899 = 4299.22613929495 cal

In summary, 5 watt hours is equal to 4299.22613929495 calories.

Converting calories to watt hours

In order to convert the other way around i.e. calories to watt hours, you would use the following formula: Wh = cal × 0.0011622222. To convert calories to watt hours first substitute the calorie value into the above formula, and then execute the calculation. If we wanted to calculate 1 calorie in watt hours we follow these steps:

Wh = cal × 0.0011622222

Wh = 1 × 0.0011622222

Wh = 0.0011622222

Or in other words, 1 calorie is equal to 0.0011622222 watt hours.

Conversion Unit Definitions

What is a Watt Hour?

A watt-hour (Wh) is a unit of energy commonly used in the context of electricity consumption and production. It represents the amount of energy consumed or produced by a one-watt electrical device operating for one hour.

Mathematically, 1 watt-hour is equal to the energy used by a one-watt device over a period of one hour. It can also be expressed as: 1 Wh = 1 watt × 1 hour.

Watt-hours are used to measure the total energy usage of appliances, buildings, or entire power grids over a specific period of time. For example, if a 100-watt light bulb is turned on for 10 hours, it consumes 1,000 watt-hours or 1 kilowatt-hour (kWh) of electricity (since 1 kWh = 1,000 Wh).

Watt-hours are widely used by utility companies to measure and bill for electricity consumption by households and businesses.

What is a Calorie?

A calorie (cal) is a unit of energy commonly used in nutrition. It represents the amount of energy required to raise the temperature of one gram of water by one degree Celsius (or one degree Kelvin). In the context of nutrition, the term "calorie" usually refers to a kilocalorie, which is equal to 1,000 calories in scientific terms.

The energy content of food and beverages is often measured in kilocalories, abbreviated as kcal or Cal (with an uppercase "C" to distinguish it from the smaller "cal" used in physics).

In scientific terms, 1 kilocalorie is equal to 4.184 kilojoules (kJ). The conversion factor between kilocalories (kcal) and kilojoules (kJ) is 1 kcal = 4.184 kJ.

In everyday language, when people refer to the number of calories in food, they are usually referring to kilocalories. For example, if a food label says a serving contains 200 calories, it means 200 kilocalories or 200,000 calories in scientific terms.