Please enable Javascript to use the unit converter. The answer is 1. You can view more details on each measurement unit: kcal or calorie [nutritional] The SI derived unit for energy is the joule. Note that rounding errors may occur, so always check the results. Use this page to learn how to convert between kilocalories and calories. Type in your own numbers in the form to convert the units! A large calorie symbol: Cal , also known as a kilogram calorie symbol: Cal , is technically a kilocalorie symbol: kcal , the equivalent of small calories, but is also sometimes referred to as simply "Calorie.
It was first defined as a unit of heat energy in by Nicolas Clement and appeared in French and English dictionaries between and The large calorie was introduced to the American public later, in , by Wilbur Olin Atwater.
Current use: Although the calorie can be used with SI, since the official adoption of SI in , the calorie is considered obsolete. Despite this, the large calorie is still widely used as a unit of food energy, alongside, or in place of the SI unit of food energy, the kilojoule. The use of a capital "C" in Calorie is intended to denote the use of kilocalories rather than calories denoting a single calorie. This is not often understood however, resulting in some confusion when foods are only labeled as Calories rather than kilocalories.
Calories are also used within scientific contexts, such as chemistry. In these contexts, the term being referenced is most often the small calorie, though measurements are often reported in kilocalories. From: kilocalorie th To: calorie th. Kilocalorie th to Calorie nutritional. Kilocalorie th to Horsepower metric Hour. Kilocalorie th to Ton-hour refrigeration.
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