A box of sushi with 12 yolk weighs about 240 grams to 360 grams. 100 grams of egg yolk sushi has about 140 calories, and a box of egg yolk sushi has about 500 calories.

Heat: the energy consumed by the human body at all times is provided by thermogenic nutrients in food. Nutrients that can produce calories in food are protein, fat, sugar and carbohydrate. They are oxidized to generate heat for the body to maintain life, grow and develop and exercise. Unit of calories: calories, 1 calories equals 1000 calories.