Convert Watt-hour to Calorie
Input the number of watt-hours you want to convert to calories.
How to Convert Watt-hours to Calories
The watt-hour and calorie are both units of energy. 1 watt-hour equals 860.4206501 calories. This means to convert watt-hours to calories, you multiply by 860.4206501.
Formula
Step-by-Step Example
Convert 5 Wh to calories:
We need to convert watt-hours to calories
Since 1 Wh = 860.4206501 cal, multiply by 860.4206501
5 × 860.4206501 = 4302.1032505
5 Wh = 4302.1032505 cal
Watt-hour to Calorie Conversion Table
Quick reference table for common watt-hour to calorie conversions. Click any value for detailed calculation.
| Watt-hours (Wh) | Calories (cal) |
|---|---|
| 0.1 Wh | 86.04206501 cal |
| 0.5 Wh | 430.21032505 cal |
| 1 Wh | 860.4206501 cal |
| 2 Wh | 1720.8413002 cal |
| 5 Wh | 4302.1032505 cal |
| 10 Wh | 8604.206501 cal |
| 25 Wh | 21510.516252 cal |
| 50 Wh | 43021.032505 cal |
| 100 Wh | 86042.06501 cal |
About These Units
Watt-hour (Wh)
A watt-hour (Wh) is the energy of one watt sustained for one hour, equal to 3,600 joules. Watt-hours measure battery capacity (smartphone: 10-15 Wh, laptop: 50-100 Wh) and small appliance energy use. One Wh equals 3.6 kilojoules.
Calorie (cal)
A small calorie (cal) is the energy needed to raise 1 gram of water by 1°C, equal to 4.184 joules. Small calories are used in chemistry and physics. Note: food "Calories" (with capital C) are actually kilocalories. One calorie equals 0.003968 BTU.
Frequently Asked Questions
How do I convert watt-hours to calories?
To convert watt-hours to calories, multiply the value by 860.4206501. For example, 10 Wh = 8604.206501 cal.
How many calories are in 1 watt-hour?
1 watt-hour equals 860.4206501 calories.
What is the formula for watt-hours to calories?
The formula is: cal = Wh × 860.4206501.