GlossaryWeightlossTotal Daily Energy Expenditure Tdee
Last updated on Thursday, 11 January, 2024

Total Daily Energy Expenditure: Weight Loss Explained

Total Daily Energy Expenditure (TDEE) plays a significant role in weight loss, strength training, muscle building, and overall health. If you're interested in tailoring a diet or fitness plan to meet your goals, it's a term you need to know.

What is TDEE?

Total Daily Energy Expenditure or TDEE refers to the total amount of calories that your body needs to perform daily activities. This includes everything from sleeping and eating, to exercising and working. It is essentially how many calories you burn in a day, taking into account your physical activity level.

Why is TDEE Important?

Understanding your TDEE is crucial when your goal is to lose, maintain or gain weight. By knowing exactly how many calories your body burns in a day, you can create a diet plan that meets your calorie intake needs. Gaining insights into your daily energy expenditure provides the information needed to make informed decisions about caloric intake that align with your physical health goals.

The Science of TDEE

The concept of TDEE is rooted in the laws of thermodynamics and the principle of energy balance. This states that the body's energy in (calorie intake) vs energy out (calories burned) determines its energy balance. Therefore, if you consume more calories than you burn, you will gain weight. Conversely, happen when you burn more calories than you consume, leading to weight loss.

How to Calculate TDEE

To calculate your TDEE, use the following steps:

  1. Determine your Basal Metabolic Rate - the amount of energy expended while at rest.
  2. Multiply your BMR by your physical activity level (PAL), which is a scale that reflects your daily activity levels.

Commonly used TDEE calculation is the Mifflin St Jeor Equation

Benefits and Drawbacks of Using TDEE

The main benefit of using your TDEE is that it personalizes your diet and exercise program. It accounts for your habits and lifestyle, making it more realistic and sustainable.

However, one drawback is that TDEE estimates are exactly that: estimates. Factors such as muscle mass, age, and different body compositions can alter actual caloric needs.

How to Improve Your TDEE

If your goal is to increase your TDEE, you can:

  • Increase your muscle mass: Muscles require more energy to function, which leads to a higher TDEE.
  • Increase your physical activity: More movement means more energy expenditure.

Related Terms

TDEE Frequently Asked Questions

  • What happens if I eat less than my TDEE? Consuming less than your TDEE will result in weight loss, as you will be in a caloric deficit.
  • What happens if I eat more than my TDEE? Consuming more than your TDEE will result in weight gain, as you will be in a caloric surplus.

In Summary

Understanding your TDEE is pivotal in customizing your diet and exercise regimen to your physical needs and health goals. By having a grasp on the total amount of calories your body needs and burns daily, you can make informed decisions about your caloric intake to achieve the results you desire.