Conversion relationship:

1 kilojoule (kJ)=0.2389 kcal.

1 kcal = 4186 joules (J)=4. 186 kJ. 1 cal)=4.2 J.

Extended data

The daily calories required by a normal person are related to his weight.

The relationship between calorie intake per hour and body weight is about 1 kcal/hour/kg, that is, 4. 186 kj/hour/kg. So the normal average daily calories required by an adult weighing 50 kg are as follows:

Average calories required? = 4. 186 kJ x24 hours x50 kg =5023.2 kJ.

On average, for every kilogram of weight gain, the body's required calories will increase by 0. 1MJ.

Generally speaking, an adult man needs about 9.25 to 10.09 million joules per day; An adult woman needs about 7.98 to 8.82 million joules per day. The average primary school student needs about 9.25 million joules of calories per day, which is similar to the minimum calorie required by an adult man.

Baidu Encyclopedia: Thermal Unit

Baidu Encyclopedia: Food Calorimeter