Watt-hours to Calories Converter
Convert watt-hours (Wh) to calories (cal)
Result
860.4206501 cal
Calories
1 Wh = 860.4206501 cal
1 Wh in other units
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How to convert watt-hours to calories
One watt-hour equals 860.4207 calories, so multiply the number of watt-hours by 860.4207.
cal = Wh × 860.4207
1 Wh = 860.4207 cal · 1 cal = 0.001162222 Wh
Worked example
To convert 5 watt-hours to calories: 5 Wh × 860.4207 = 4,302.103 cal.
About watt-hours (Wh)
A watt-hour is the energy of one watt for one hour (3,600 J), used for battery capacity.
About calories (cal)
A (small) calorie is 4.184 J, the energy to warm 1 g of water by 1 °C. Food “Calories” are actually kilocalories.
More conversions
Watt-hours to other units
Frequently asked questions
How many calories are in one watt-hour?
One watt-hour equals 860.4207 calories.
How many watt-hours are in one calorie?
One calorie equals 0.001162222 watt-hours.
How do I convert watt-hours to calories?
Use the formula cal = Wh × 860.4207. For example, 5 Wh × 860.4207 = 4,302.103 cal.