400 kilocalories a day is not a lot of exercise. Generally speaking, the daily calorie intake of adults is about 2200-2400 kilocalories. Female: 1900-2 100 kcal or so.

1 kg coal with heat of 1000 calories is equivalent to 0. 143 kg standard coal. For example, 7000 kcal coal means that the calorific value of coal is 7000 kcal/kg, which is equivalent to engineering. 1 calorie = 1000 calories, which are mostly used in nutrition measurement and fitness manuals.

Extended data

1 card equals 4.2 joules? Unit conversion of heat: 1 kcal = 1 kcal =4. 1868 kj = 1 kcal/g.

Its relationship with Joule is: at 20℃ 1 calorie = 4. 1868 J.

Some countries use 15℃ cards. Its relationship with Joule is:1calot15℃ = 4.1855j.

Some countries use international steam meter cards. Its relationship with Joule is: 1 calorie IT = 4. 1868 J.

Baidu encyclopedia-calories