1 kcal = 1 kcal = 1000 calories = 1000 kcal

1 kJ = 1000 Joule

1 kcal/1 kcal =4. 184 kj.

1 card = 4. 182 joules

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2. Different symbols:

Calories, also known as capital letter C, are most commonly used in food labels, and are approximately equal to the internal energy of 465,438+086 Joules.

Small card, also known as cal, is common in scientific research literature, 1000 small card = 1 calorie (1 calorie).

For example, "this soda contains 200 calories", because soda is food, and the calories here are calories. In fact, this soda has 200,000 calories, which is also suitable for sports. When you see "jogging for 4 kilometers burns 200 calories", the calories here are also calories, meaning 200,000 calories.

3, the food content is different: a biscuit contains 350 calories, which may only need 100 calories to digest, so that the body will get 250 calories more fat, while eating a food with only 50 calories needs 150 calories to digest.

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