Energy
Calories to Watt-hours
Convert calories to watt-hours instantly.
About this conversion
A calorie (cal) is the energy needed to raise 1 g of water by 1°C. 1 cal = 4.184 J. Watt-hours (Wh) are used for battery capacity and electricity consumption reports. Use the converter above to quickly go from calories to watt-hours.
How to use
Enter a value in the calories field and instantly see the result in watt-hours. Click the swap button to reverse the conversion.
Manual calculation
1 calories = 0.0011622 watt-hours. Example: 10 cal = 0.011622 Wh.
Frequently asked questions
How many watt-hours are in 1 calories?
1 Calories equals 0.0011622 watt-hours.
When do you use watt-hours?
Watt-hours (Wh) are used for battery capacity and electricity consumption reports.