Convert Calories to Watt-hours
One calorie equals 0.001162 watt-hours. Type any value to convert calories to watt-hours instantly — with a full reference table below.
Convert Calories to Watt-hours
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Conversion formula
To convert calories to watt-hours, multiply by 0.001162. One calorie equals 0.001162 Wh, and one watt-hour equals 860.42065 cal.
Calories to Watt-hours table
About converting Calories to Watt-hours
Calories (cal) and Watt-hours (Wh) are both units of energy. The exact factor is 1 cal = 0.001162 Wh, so multiply by 0.001162 to go from calories to watt-hours (or divide to go back).
The conversion is exact and runs entirely in your browser. Need the reverse? Use the Watt-hours to Calories converter, or the full unit converter for every unit at once.
Frequently asked questions
How many watt-hours are in one calorie?
One calorie equals 0.001162 watt-hours.
How do I convert calories to watt-hours?
Multiply the number of calories by 0.001162. For example, 10 calories = 0.011622 watt-hours.
What is 5 calories in watt-hours?
5 calories is 0.005811 watt-hours.