A food calorimeter is a list drawn or listed according to the energy contained in a unit amount of food (for example, 100g) for reference in diet and health care. Different foods produce different energy. For patients with obesity, diabetes, hypertension and other chronic diseases, controlling the body's energy intake every day is a way to alleviate their own diseases. Therefore, it is necessary to measure the energy contained in each food for patients to calculate or arrange the total energy contained in each meal.

Unit conversion:

Calories, kilocalories, calories and kilojoules are all units of heat.

Calories (calories for short) are defined as the heat required to raise 1 gram of water 1 degree Celsius at 1 atmospheric pressure. 1 kcal is equal to 1000 kcal, which is about 4 186 joules. Calories, equivalent to kilocalories per kilogram of engineering units, are mostly used for nutrition measurement and fitness manuals.

The transformation between them is:

1 card =4. 186 joules

1 kcal = 1 kcal = 1000 kcal = 1000 calories =4 186 joules =4. 186 kj.