kcal per gram of sugar - Health Topics
AOL: How Many Grams Of Sugar Are Okay To Eat Per Week? What is kcal? What is a kcal unit?
Understanding the Context
kcal definition kcal is the symbol of kilocalorie. One kilocalorie is equal to 1000 calories. Small & large calories Small calorie (cal) is the energy needed to increase 1 gram of water by 1°C at a pressure of 1 atmosphere. In other scientific contexts, the term "calorie" and the symbol "cal" almost always refers to the small unit; the "large" unit being generally called "kilocalorie" with symbol "kcal".
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Key Insights
It is mostly used to express the amount of energy released in a chemical reaction or phase change, typically per mole of substance, as in kilocalories per mole. [33]