1000 kilojoules equals 2 bowls of rice. 1000 kilojoules and other 238900 calories, a bowl of rice is generally about 100 grams, about 0.49 kilojoules. The calorie of a bowl of rice is about 1 16 calories, a bowl of noodles is about 284 calories, and a bowl of porridge is about 58 calories. Note that the calories of a bowl of instant noodles and a bowl of rice noodles are more than 400 calories.

Generally speaking, an adult male needs about 9.25 ~100900 joules per day, and an adult female needs about 798 ~ 88200 joules per day. Pupils need about 9.25 million joules of heat every day on average, which is similar to the minimum heat required by an adult man.