Calorie to Kilowatt-hour Converter

How to Convert Calories to Kilowatt-hours

To convert calories to kilowatt-hours, multiply the number of calories by the conversion factor of 1.1622×10⁻⁶. This means that one calorie equals 0.0000011622 kilowatt-hours.

kilowatt-hours = calories × 1.1622×10⁻⁶

Understanding the Units

Calorie (cal)

A calorie is the amount of energy needed to raise the temperature of 1 gram of water by 1°C (from 14.5°C to 15.5°C). Note: Food calories (Cal) are actually kilocalories (kcal).

Kilowatt-hour (kWh)

A kilowatt-hour is a unit of energy equal to 1,000 watt-hours, commonly used for measuring electrical energy consumption in homes and businesses.

Example Calculation

To convert 500,000 calories to kilowatt-hours:

500,000 × 1.1622×10⁻⁶ = 0.581111 kWh