About Units

Kilocalories: Kilocalories (kcal), also known as food calories, are equal to 1,000 small calories. This unit is commonly used in the context of food energy, with dietary energy intake and expenditure often measured in kilocalories.

Kilowatt hours: Kilowatt-hours (kWh) are equal to 1,000 watt-hours. This unit is commonly used for measuring electrical energy consumption, especially in household and industrial contexts. Electric utility companies use kilowatt-hours to measure and bill for energy consumption.