100g rice = 1 16 calories, 400 ÷116×100 ≈ 325. (g)? It is equivalent to six and a half pieces of rice.

Exercise 400 kcal food is as follows:

1, snacks: 100 calories is about equal to a spoonful of ice cream, 1/4 chocolate croissants, half a chocolate cream cake, 6 half marshmallows, a small sandwich biscuit, 23g of potato chips, a chocolate bar, 7 hard candy fruits, 8 preserved apricots and 1 spoonful of raisins.

2. Drinks: 100 calories is about equal to half a cup of cola, a glass of beer,125ml white wine, 200ml freshly squeezed orange juice and150ml chocolate milkshake.

Calorie metabolism

Adults need at least1500 ~ 2,000 calories a day to maintain their body functions, because even if you lie still, your body still needs energy to maintain body temperature, cardiopulmonary function and brain operation. Basal metabolic consumption will be different due to the differences of individual height, weight, age and gender. Human beings need energy to survive and get it from food.

Reference to the above content? People's Daily Online-/kloc-How much food is 0/00 calories?