600 grams of any vegetable is equal to 80 calories, so the calorie of a catty (500 grams) of vegetables is about 66.7 calories. The calories of ordinary-sized bowl 1/4 bowl of rice, half bowl of porridge or half bowl of noodles commonly used in daily life are equivalent to 80 calories. 37 grams of lean meat, 20 grams of fat meat 125 grams of milk, 100 grams of seafood, 300 grams of watermelon and 2 oranges are all 80 calories.

Extended data:

Low calorie food:

1, brown rice, yes, brown rice belongs to rough rice, which retains the husk, aleurone layer and germ of rice, so it contains more fiber than refined rice, and in addition, brown rice also contains additional trace elements such as protein, calcium, magnesium and potassium.

2. Egg white: Egg white is a perfect, simple and impeccable protein, with low calorie, zero fat and zero cholesterol. Its rich branched-chain amino acids can keep your metabolism at a high level, and it also contains riboflavin, that is, vitamin B2, which can help promote the metabolism of various nutrients.

3, chicken breast: chicken breast is a high-quality meat white, but also contains a high level of tryptophan, which is an essential amino acid that the human body can not synthesize. It helps the body to coordinate sleep, mood and appetite, and the above factors are also very important to lose weight.

4. Oats: Oats are the most frequently eaten food when losing weight. The calories in oats are very low, which is not only full, but also rich in nutrition. People who want to lose weight, nourish their stomachs and prevent constipation and fatty liver can safely eat them.

Baidu Encyclopedia-Food Calorimeter