Convert Kilocalorie to Watt Hour
Use this free converter to change kilocalories (kcal) into watt hours (Wh). Kilocalorie and watt hour both measure energy. As a quick reference, 1 kcal equals 1.1622222 Wh, and 1 Wh equals 0.86042065 kcal.
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Watt Hour (Wh)
1.1622222
1 kcal = 1.1622222 Wh
Energy conversion table
| Kilocalorie | Watt Hour |
|---|---|
| 0.01 | 0.011622222 |
| 0.1 | 0.11622222 |
| 0.5 | 0.58111111 |
| 1 | 1.1622222 |
| 2 | 2.3244444 |
| 3 | 3.4866667 |
| 5 | 5.8111111 |
| 10 | 11.622222 |
| 20 | 23.244444 |
| 25 | 29.055556 |
| 50 | 58.111111 |
| 100 | 116.22222 |
| 1,000 | 1162.2222 |
How to convert Kilocalorie to Watt Hour
Multiply the kilocalorie value by 1.1622222 to get watt hours.
- Enter the number of kilocalories you want to convert.
- The converter instantly shows the equivalent value in watt hours.
- Worked example: 15 kcal × 1.1622222 = 17.433333 Wh.
- Use the swap button to reverse the conversion (watt hour to kilocalorie).
About these units
Kilocalorie (kcal)
- Definition
- A kilocalorie (kcal) is 1,000 small calories — the "Calorie" used on food labels.
- History
- It was adopted by nutritionists as a practical measure of food energy.
- Current use
- Kilocalories (food Calories) measure the energy content of food and diets.
Watt Hour (Wh)
- Definition
- A watt-hour (Wh) is the energy of one watt sustained for one hour, equal to 3,600 joules.
- History
- It arose with the electricity industry as a practical billing unit.
- Current use
- Watt-hours rate batteries and small energy stores.
Frequently asked questions
How many watt hours are in a kilocalorie?
There are 1.1622222 Wh in 1 kcal. To convert, multiply the number of kilocalories by 1.1622222.
How do I convert kilocalories to watt hours?
Multiply the kilocalorie value by 1.1622222 to get watt hours. For example, 10 kcal = 11.622222 Wh.
Is this kilocalorie-to-watt hour converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Kilocalorie to other energy units
| Unit | 1 Kilocalorie equals |
|---|---|
| Joule (J) | 4184 J |
| Kilojoule (kJ) | 4.184 kJ |
| Calorie (cal) | 1000 cal |
| Watt Hour (Wh) | 1.1622222 Wh |
| Kilowatt Hour (kWh) | 0.0011622222 kWh |
| Electronvolt (eV) | 2.6114e+22 eV |
| British Thermal Unit (BTU) | 3.9656668 BTU |
| Foot-Pound (ft·lb) | 3085.96 ft·lb |