It takes about 1200 calories to maintain signs of life. People need to consume calories in their daily activities, which means that everyone's daily intake of calories must be higher than 1200 calories. The specific daily calorie requirement varies with gender, physical activity and weight.

Generally speaking, women with light physical strength generally need 1500-2000 calories every day. In the nutrition label of daily food, "standard percentage of daily requirement" is based on a diet of 2000 calories. In other words, on the basis of maintaining certain daily activities, adults consume 2000 calories a day without gaining weight.

2000 kcal =6.6 donuts

2000 calories =26 eggs

2000 calories =4 packets of potatoes.

2000 calories =4 Big Macs

2000 calories =42 pieces of chicken.

2000 kcal = 1 whole pizza