Watt-hours to Calories Converter
Convert Wh to cal instantly. 1 Wh = 860.4206501 cal.
Conversion Formula
cal = Wh × 860.4206501
Example
25 Wh × 860.4206501 = 21,510.51625 cal
Convert the other way: Calories to Watt-hours →
Watt-hours to Calories Conversion Table
| Watt-hours (Wh) | Calories (cal) |
|---|---|
| 0.1 | 86.04206501 |
| 0.5 | 430.210325 |
| 1 | 860.4206501 |
| 2 | 1,720.8413 |
| 5 | 4,302.10325 |
| 10 | 8,604.206501 |
| 20 | 17,208.413 |
| 25 | 21,510.51625 |
| 50 | 43,021.0325 |
| 100 | 86,042.06501 |
| 500 | 430,210.325 |
| 1,000 | 860,420.6501 |
About These Units
- Watt-hours (Wh)
- Exactly 3,600 joules, the energy delivered by one watt for one hour. Watt-hours rate phone power banks and laptop batteries, and airlines set their lithium battery carry-on limits in this unit.
- Calories (cal)
- The thermochemical calorie, exactly 4.184 J, roughly the energy that warms 1 g of water by 1 °C. Chemistry texts use this small calorie, which is one thousandth of the food Calorie on labels.
Frequently Asked Questions
How many cal are in 1 Wh?
1 Wh equals 860.4206501 cal.
How do I convert Watt-hours to Calories?
Multiply your Watt-hours value by 860.4206501. For example, 25 Wh × 860.4206501 = 21,510.51625 cal.
How many Wh are in 1 cal?
1 cal equals 0.001162222222 Wh.