Calories, calories, and calorie units, the conversion between them is: 1 calories = 1 calories =4. 186 joules; 1 kcal = 1 kcal = 1000 kcal = 1000 calories =4 186 joules =4. 186 kj.

Cal is the abbreviation of Cal, which is transliterated from English Calorie. It is defined as the heat required to raise 1 g of water at 1 atmospheric pressure. Calorie is an energy unit, which is widely used in nutrition measurement and fitness manuals. The international standard unit of energy is joule, 1 calories =4. 1868 joules.

Calorie is a commonly used term in the coal industry. 1 kg coal with heat content of 1000 calories is equivalent to 0. 143 kg standard coal.

physiological action

Generally speaking, adults need at least1500 ~ 2000 calories a day to maintain their body functions, because even if you lie still, your body still needs energy. Basal metabolic consumption will be different due to the differences of individual height, weight, age and gender. Human beings need energy to survive and get it from food. The calorie content in food is a measure of how much potential energy the food produces.

4000 calories because carbohydrates produce heat =4 calories/gram, protein produces heat =4 calories/gram, and fat produces heat =9 calories/gram. Food is generally composed of these three substances. Therefore, as long as we know the contents of these three substances in food, we can know how many calories or how much energy food contains.