Calorie to Kilowatt-Hour Converter

Convert calorie to kilowatt-hour instantly.

Standard energy units

joule 418.4
kilojoule 0.4184
kilocalorie 0.1
watt-hour 0.1162
kilowatt-hour 0.0001
BTU 0.3966

Fun comparisons

apples eaten 🍎~ Less than 0.01
hours of 100W bulb 💡~ Less than 0.01
marathons run 🏃~ Less than 0.01
full car tanks of fuel ~ Less than 0.01

How to convert calorie to kilowatt-hour

Enter your energy value in calorie and see the result in kilowatt-hour instantly. Key reference points: 1 food Calorie equals 1 kcal (4.184 kJ), and 1 kilowatt-hour equals 3600 kJ (860 kcal).

Calorie is used in chemistry and physics; kilowatt-hour is the electricity billing unit. One kilowatt-hour equals approximately 860,421 calories.

Need the opposite direction? Convert kilowatt-hour to calorie just as easily, or explore all our energy conversions.

Common calorie to kilowatt-hour conversions

Calorie (cal)Kilowatt-Hour (kWh)
10.00000116222
50.00000581111
100.0000116222
250.0000290556
500.0000581111
1000.000116222
5000.000581111
10000.00116222

Frequently asked questions

1 calorie equals 0.00000116222 kilowatt-hour.

Multiply by 0.00000116222. For example, 5 cal = 0.00000581111 kWh.

860,421 calories equals approximately 1 kilowatt-hour.

1 kilowatt-hour equals 860421 calorie.

100 calorie equals 0.000116222 kilowatt-hour.

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