Convert Calories to Watt Hours
1 calorie = 0.001162222 watt hours. Type any value below to convert in either direction — the calculation happens in your browser.
Calories to Watt Hours formula
Multiply the number of calories by 0.001162222 to get watt hours.
watt hours = calories × 0.001162222To go the other way: divide the number of watt hours by 0.001162222, or multiply by 860.42065.
calories = watt hours ÷ 0.001162222Calories to Watt Hours conversion table
| Calories | Watt Hours |
|---|---|
| 1 cal | 0.001162222 Wh |
| 2 cal | 0.002324444 Wh |
| 3 cal | 0.003486667 Wh |
| 4 cal | 0.004648889 Wh |
| 5 cal | 0.005811111 Wh |
| 6 cal | 0.006973333 Wh |
| 7 cal | 0.008135556 Wh |
| 8 cal | 0.009297778 Wh |
| 9 cal | 0.01046 Wh |
| 10 cal | 0.01162222 Wh |
| 15 cal | 0.01743333 Wh |
| 20 cal | 0.02324444 Wh |
| 25 cal | 0.02905556 Wh |
| 30 cal | 0.03486667 Wh |
| 40 cal | 0.04648889 Wh |
| 50 cal | 0.05811111 Wh |
| 75 cal | 0.08716667 Wh |
| 100 cal | 0.1162222 Wh |
| 250 cal | 0.2905556 Wh |
| 500 cal | 0.5811111 Wh |
| 1,000 cal | 1.162222 Wh |
Watt Hours to Calories conversion table
| Watt Hours | Calories |
|---|---|
| 1 Wh | 860.42065 cal |
| 2 Wh | 1,720.841 cal |
| 3 Wh | 2,581.262 cal |
| 4 Wh | 3,441.683 cal |
| 5 Wh | 4,302.103 cal |
| 6 Wh | 5,162.524 cal |
| 7 Wh | 6,022.945 cal |
| 8 Wh | 6,883.365 cal |
| 9 Wh | 7,743.786 cal |
| 10 Wh | 8,604.207 cal |
About the calorie
A thermochemical calorie is exactly 4.184 joules — the energy to heat one gram of water by one degree Celsius.
About the watt hour
A watt hour is the energy of one watt sustained for one hour, equal to 3,600 joules.
Frequently asked questions
How many watt hours are in a calorie?
There are 0.001162222 watt hours in one calorie.
How many calories are in a watt hour?
There are 860.42065 calories in one watt hour.
Is this conversion exact?
The ratio between the calorie and the watt hour is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 calories in watt hours?
10 calories equals 0.01162222 watt hours.
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