How many calories, as defined in chemistry, are in one calorie, which is the unit used to quantify the amount of energy in the food we eat?

Question

Quizplus · Accepted Answer

In chemistry, a calorie (with a lowercase "c") is defined as the amount of energy needed to raise the temperature of 1 gram of water by 1 degree Celsius. However, the calorie used in food (with an uppercase "C"), also known as the kilocalorie (kcal), is equal to 1,000 chemistry calories. Therefore, one food Calorie is equal to 1,000 chemistry calories.

How Many Calories, as Defined in Chemistry, Are in One