Total daily energy expenditure (TDEE) is the total number of calories your body uses in a day. This includes calories burned through basic bodily functions, like breathing and digestion, as well as calories burned during physical activities, such as walking, exercising, or even standing. TDEE is important for understanding how many calories you need to maintain, lose, or gain weight.
Understanding TDEE is essential for managing health and weight. It helps individuals determine how many calories they should consume based on their activity level and weight goals. For example, if someone wants to lose weight, they need to consume fewer calories than their TDEE, while someone looking to gain weight may need to eat more. Knowing your TDEE can guide dietary choices and physical activity levels.
The body burns calories even when at rest, a process known as basal metabolic rate (BMR). BMR accounts for a significant part of TDEE, as it includes the energy needed for essential functions like heartbeats, brain activity, and temperature regulation. The remaining calories are burned through physical activities and the thermic effect of food, which is the energy used in digestion. Together, these components make up the total energy your body expends daily.
Monitoring your total daily energy expenditure can provide valuable insights into your overall health. It can help you understand how your body responds to different levels of activity and food intake. This awareness can be a powerful tool in maintaining a healthy lifestyle and achieving personal health goals.