How much water and food do humans consume a day?

On average, an adult human requires about 2 to 3 liters (8 to 12 cups) of water daily, which can include both beverages and moisture from food. In terms of food, a typical adult consumes around 2,000 to 2,500 calories per day, which varies based on factors like age, sex, and activity level. This caloric intake translates to different amounts of food, depending on the types of food consumed. Overall, individual needs can vary widely based on lifestyle and health.