Calories to Watt Hours Converter
EngineeringJoules, calories, kilowatt-hours and more.
How to convert Calories to Watt Hours
Multiply the calories value by 0.00116222: 1 cal = 0.00116222 Wh. Going the other way, 1 Wh = 860.421 cal, so divide by 0.00116222 or use the Watt Hours to Calories converter.
About these units
Calories (cal)
The calorie used here is the thermochemical calorie, exactly 4.184 joules, roughly the energy needed to warm one gram of water by one degree Celsius. Food calories are actually kilocalories.
Watt Hours (Wh)
A watt-hour is the energy of one watt sustained for one hour, exactly 3,600 joules. Phone and laptop batteries are rated in watt-hours.
Calories to Watt Hours conversion table
| Calories (cal) | Watt Hours (Wh) |
|---|---|
| 1 cal | 0.00116222 Wh |
| 2 cal | 0.00232444 Wh |
| 3 cal | 0.00348667 Wh |
| 4 cal | 0.00464889 Wh |
| 5 cal | 0.00581111 Wh |
| 10 cal | 0.0116222 Wh |
| 20 cal | 0.0232444 Wh |
| 25 cal | 0.0290556 Wh |
| 50 cal | 0.0581111 Wh |
| 100 cal | 0.116222 Wh |
| 500 cal | 0.581111 Wh |
| 1,000 cal | 1.16222 Wh |
More calories conversions
- Calories to Kilocalories1 cal = 0.001 kcal
- Calories to Calories Nutritional1 cal = 0.001 Cal
- Calories to Thermochemical Calories1 cal = 1 calth
- Calories to Joules1 cal = 4.184 J
- Calories to British Thermal Units1 cal = 0.00396565 BTU
- Calories to Ergs1 cal = 4.184e+7 erg
See every unit on the Energy Converter.