Calorie (cal)
The calorie is used for heat energy and often appears in nutrition and chemistry.
History: the calorie originated in heat science as a quantity of heat related to warming water.
Quickly convert calories to kilowatt-hours without lookup tables or manual math.
This page is focused on converting calories to kilowatt-hours. Type a number into the first field and the result appears immediately in the second field.
Example: 1 cal = 0.0000011622 kWh. Conversion formula: result = value × 4.184 / 3600000.
Use this converter for everyday calculations, study notes, engineering checks, and quick value verification without installing a separate app.
The calorie is used for heat energy and often appears in nutrition and chemistry.
History: the calorie originated in heat science as a quantity of heat related to warming water.
The kilowatt-hour is the main household electricity unit on bills and appliances.
History: the kilowatt-hour became the standard electricity-billing unit for household and industrial energy.
Enter a value in the Calorie field. The converter applies the formula "result = value × 4.184 / 3600000" and immediately shows the result in kilowatt-hours.
1 cal = 0.0000011622 kWh.
Yes. Use the swap button or choose the reverse pair from the full conversion list.