📏 Kilocalories to Kilowatt-hours Converter
Convert kilocalories (kcal) to kilowatt-hours (kWh) instantly, with the formula, a worked example and a conversion table.
Quick answer: 1 kilocalorie (food calorie) (kcal) = 0.0011622222 kilowatt-hours (kWh). Formula: kWh = kcal × 0.0011622222.
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Kilocalories to Kilowatt-hours Converter inputs
Result
1 kcal =
0.0011622222 kWh
kWh = kcal × 0.0011622222
1 kilocalorie (food calorie) = 0.0011622222 kWh · kWh to kcal
Kilocalories to Kilowatt-hours conversion table
| Kilocalories (kcal) | Kilowatt-hours (kWh) |
|---|---|
| 0.1 kcal | 0.0001162222 kWh |
| 0.5 kcal | 0.0005811111 kWh |
| 1 kcal | 0.0011622222 kWh |
| 2 kcal | 0.0023244444 kWh |
| 3 kcal | 0.0034866667 kWh |
| 5 kcal | 0.0058111111 kWh |
| 10 kcal | 0.011622222 kWh |
| 20 kcal | 0.023244444 kWh |
| 25 kcal | 0.029055556 kWh |
| 50 kcal | 0.058111111 kWh |
| 100 kcal | 0.11622222 kWh |
| 1,000 kcal | 1.1622222 kWh |
Other energy conversions
How to convert kilocalories to kilowatt-hours
Multiply the number of kilocalories by 0.0011622222 to get kilowatt-hours: kWh = kcal × 0.0011622222.
Example: 5 kcal = 0.0058111111 kWh.
The kilocalorie (food calorie) (kcal) and the kilowatt-hour (kWh) are both units of energy. Need the opposite direction? Use the kWh to kcal converter.
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Metric and imperial units
The metric system (SI) is used by almost every country and by science worldwide. Its units scale by powers of ten – 1 kilometer is 1,000 meters, 1 meter is 100 centimeters – which makes conversions inside the system easy. The imperial and US customary systems (inches, feet, pounds, gallons) are still used daily in the United States and partly in the UK.
Since 1959 the inch has been defined as exactly 2.54 centimeters and the pound as exactly 0.45359237 kilograms, so conversions between the two systems are exact. Note that a US gallon (3.785 L) and an imperial gallon (4.546 L) are different – choose the right one above.
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Frequently asked questions
How many kilowatt-hours are in a kilocalorie (food calorie)?
1 kilocalorie (food calorie) = 0.0011622222 kilowatt-hours.
How do I convert kilocalories to kilowatt-hours?
Use the formula kWh = kcal × 0.0011622222. For example, 5 kcal = 0.0058111111 kWh.
How do I convert kilowatt-hours back to kilocalories?
1 kilowatt-hour = 860.42065 kilocalories. Use the kWh to kcal converter linked on this page.
Are these conversions exact?
Yes – all factors use the internationally defined values (for example 1 inch = 2.54 cm exactly, 1 pound = 0.45359237 kg exactly). Results are rounded to 8 significant digits for display.