## ››Convert kilogram calorie to zettawatthour

 kilogram calorie zettawatthour

## ››More information from the unit converter

How many kilogram calorie in 1 zettawatthour? The answer is 8.6005064742701E+20.
We assume you are converting between kilogram calorie and zettawatthour.
You can view more details on each measurement unit:
kilogram calorie or zettawatthour
The SI derived unit for energy is the joule.
1 joule is equal to 0.00023890295761862 kilogram calorie, or 2.7777777777778E-25 zettawatthour.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between kilogram calories and zettawatthour.
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## ››Definition: Kilogram calorie

The large calorie or kilogram calorie approximates the energy needed to increase the temperature of 1 kg of water by 1 °C. This is about 4.185 kJ, and exactly 1000 small calories.

## ››Definition: Zettawatthour

The SI prefix "zetta" represents a factor of 1021, or in exponential notation, 1E21.

So 1 zettawatthour = 1021 .

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