Daily Calorie refers to the total amount of energy that an individual consumes in a day through food and drinks. It is usually measured in kilocalories (kcal) or megacalories (Mcal). The number of daily calories required by an individual depends on various factors such as age, gender, height, weight, level of physical activity, and overall health condition. A balanced diet that provides the right amount of nutrients is essential for maintaining good health, and it's crucial to consume only the necessary number of daily calories to avoid excessive weight gain or loss.