Convert Watt Hours to Calories
1 watt hour = 860.42065 calories. Type any value below to convert in either direction — the calculation happens in your browser.
Watt Hours to Calories formula
Multiply the number of watt hours by 860.42065 to get calories.
calories = watt hours × 860.42065To go the other way: divide the number of calories by 860.42065, or multiply by 0.001162222.
watt hours = calories ÷ 860.42065Watt 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 |
| 15 Wh | 12,906.31 cal |
| 20 Wh | 17,208.41 cal |
| 25 Wh | 21,510.52 cal |
| 30 Wh | 25,812.62 cal |
| 40 Wh | 34,416.83 cal |
| 50 Wh | 43,021.03 cal |
| 75 Wh | 64,531.55 cal |
| 100 Wh | 86,042.07 cal |
| 250 Wh | 215,105.2 cal |
| 500 Wh | 430,210.3 cal |
| 1,000 Wh | 860,420.7 cal |
Calories 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 |
About the watt hour
A watt hour is the energy of one watt sustained for one hour, equal to 3,600 joules.
About the calorie
A thermochemical calorie is exactly 4.184 joules — the energy to heat one gram of water by one degree Celsius.
Frequently asked questions
How many calories are in a watt hour?
There are 860.42065 calories in one watt hour.
How many watt hours are in a calorie?
There are 0.001162222 watt hours in one calorie.
Is this conversion exact?
The ratio between the watt hour and the calorie is fixed by definition, so the conversion is exact — the figures shown here are rounded for readability only.
What is 10 watt hours in calories?
10 watt hours equals 8,604.207 calories.
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