Convert Kilocalorie to Watt-hour
Input the number of kilocalories you want to convert to watt-hours.
How to Convert Kilocalories to Watt-hours
The kilocalorie and watt-hour are both units of energy. 1 kilocalorie equals 1.1622222222 watt-hours. This means to convert kilocalories to watt-hours, you multiply by 1.1622222222.
Formula
Step-by-Step Example
Convert 5 kcal to watt-hours:
We need to convert kilocalories to watt-hours
Since 1 kcal = 1.1622222222 Wh, multiply by 1.1622222222
5 × 1.1622222222 = 5.8111111111
5 kcal = 5.8111111111 Wh
Kilocalorie to Watt-hour Conversion Table
Quick reference table for common kilocalorie to watt-hour conversions. Click any value for detailed calculation.
| Kilocalories (kcal) | Watt-hours (Wh) |
|---|---|
| 1 kcal | 1.1622222222 Wh |
| 2 kcal | 2.3244444444 Wh |
| 5 kcal | 5.8111111111 Wh |
| 10 kcal | 11.622222222 Wh |
| 15 kcal | 17.433333333 Wh |
| 20 kcal | 23.244444444 Wh |
| 25 kcal | 29.055555556 Wh |
| 50 kcal | 58.111111111 Wh |
| 100 kcal | 116.22222222 Wh |
About These Units
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.
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.
Frequently Asked Questions
How do I convert kilocalories to watt-hours?
To convert kilocalories to watt-hours, multiply the value by 1.1622222222. For example, 10 kcal = 11.622222222 Wh.
How many watt-hours are in 1 kilocalorie?
1 kilocalorie equals 1.1622222222 watt-hours.
What is the formula for kilocalories to watt-hours?
The formula is: Wh = kcal × 1.1622222222.