A kilocalorie (kcal) equals 1,000 small calories and is the unit behind the food "Calorie" shown on nutrition labels.
Kilocalories to Kilowatt hours
Convert Kilocalorie (kcal) to Kilowatt-hour (kWh) instantly with an exact formula, conversion table, and FAQ.
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Convert kilocalories (kcal) to kilowatt hours (kWh) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
kWh = kcal × 0.001162222222
Results update instantly for Kilocalories to Kilowatt hours conversions.
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Formula
kWh = kcal × 0.001162222222
kcal = kWh × 860.4206501
Conversion table
| 1 kcal | 0.001162 kWh |
| 5 kcal | 0.005811 kWh |
| 10 kcal | 0.011622 kWh |
| 20 kcal | 0.023244 kWh |
| 50 kcal | 0.058111 kWh |
| 100 kcal | 0.116222 kWh |
| 500 kcal | 0.581111 kWh |
| 1000 kcal | 1.162222 kWh |
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How the formula works
Both kilocalorie and kilowatt-hour measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in kilocalories by 0.001162222222 to get kilowatt hours. To reverse the conversion, multiply a kilowatt-hour value by 860.4206501 to get back to kilocalories.
Frequently asked questions
What is Kilocalorie (kcal)?
A kilocalorie (kcal) equals 1,000 small calories and is the unit behind the food "Calorie" shown on nutrition labels.
What is Kilowatt-hour (kWh)?
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
How do I convert kilocalories to kilowatt hours?
Multiply the kilocalorie value by 0.001162222222 to get the equivalent in kilowatt hours. For example, 5 kcal × 0.001162222222 = 0.005811 kWh.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.001162222222 is an exact, non-rounded value.
Can I convert kilowatt hours back to kilocalories?
Yes. Divide the kilowatt-hour value by 0.001162222222, or multiply it by 860.4206501, to get kilocalories.
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About converting kilocalories to kilowatt hours
A kilocalorie (kcal) equals 1,000 small calories and is the unit behind the food "Calorie" shown on nutrition labels. A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
Use this calculator to move between kilocalories and kilowatt hours accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.