Convert Watt-hour to Kilocalorie
Enter the number of watt-hours that you want to convert to kilocalories.
How to Convert Watt-hours to Kilocalories
The watt-hour and kilocalorie are both units of energy. 1 kilocalorie equals 1.1622222222 watt-hours. This means to convert watt-hours to kilocalories, you divide by 1.1622222222.
Formula
Step-by-Step Example
Convert 5 Wh to kilocalories:
We need to convert watt-hours to kilocalories
Since 1 kcal = 1.1622222222 Wh, divide by 1.1622222222
5 ÷ 1.1622222222 = 4.3021032505
5 Wh = 4.3021032505 kcal
Watt-hour to Kilocalorie Conversion Table
Quick reference table for common watt-hour to kilocalorie conversions. Click any value for detailed calculation.
| Watt-hours (Wh) | Kilocalories (kcal) |
|---|---|
| 1 Wh | 0.8604206501 kcal |
| 2 Wh | 1.7208413002 kcal |
| 5 Wh | 4.3021032505 kcal |
| 10 Wh | 8.604206501 kcal |
| 15 Wh | 12.906309751 kcal |
| 20 Wh | 17.208413002 kcal |
| 25 Wh | 21.510516252 kcal |
| 50 Wh | 43.021032505 kcal |
| 100 Wh | 86.04206501 kcal |
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.
Kilocalorie (kcal)
A kilocalorie (kcal), often written as "Calorie" (capital C) on food labels, equals 1,000 small calories or 4,184 joules. Kilocalories measure food energy. Average adult needs 2,000-2,500 kcal daily. Walking one mile burns about 80-100 kcal.
Frequently Asked Questions
How do I convert watt-hours to kilocalories?
To convert watt-hours to kilocalories, divide the value by 1.1622222222. For example, 10 Wh = 8.604206501 kcal.
How many kilocalories are in 1 watt-hour?
1 watt-hour equals 0.8604206501 kilocalories.
What is the formula for watt-hours to kilocalories?
The formula is: kcal = Wh ÷ 1.1622222222.