Energy
Watt-hours to Calories
Convert watt-hours to calories instantly.
About this conversion
Watt-hours (Wh) are used for battery capacity and electricity consumption reports. A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J. Use the converter above to quickly go from watt-hours to calories.
How to use
Enter a value in the watt-hours field and instantly see the result in calories. Click the swap button to reverse the conversion.
Manual calculation
1 watt-hours = 860.42 calories. Example: 10 Wh = 8,604.2 cal.
Frequently asked questions
How many calories are in 1 watt-hours?
1 Watt-hours equals 860.42 calories.
When do you use calories?
A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J.