Total Daily Energy Expenditure Calculator

Welcome to our tutorial on Total Daily Energy Expenditure (TDEE). TDEE is a crucial concept in the fields of nutrition and fitness as it provides an estimate of the total amount of energy a person needs to consume in a day to maintain their current weight. Understanding TDEE can help individuals make informed decisions about their diet and exercise routine, ensuring they meet their energy requirements for optimal health. In this guide, we will discuss the importance of TDEE, explain the formula to calculate it, and explore its relevance in the context of health and well-being. Let's dive into the world of energy expenditure and discover how TDEE plays a significant role.

TDEE & BMR Calculator
Body Fat Percentage
Activity Level

Please provide a rating, it takes seconds and helps us to keep this resource free for all to use

[ 7 Votes ]

The Significance of Total Daily Energy Expenditure

Total Daily Energy Expenditure refers to the total number of calories an individual burns in a day through various activities, including resting metabolic rate (RMR), physical activity, and the thermic effect of food. TDEE is influenced by factors such as age, gender, body composition, and activity level. Understanding one's TDEE is essential for maintaining energy balance and achieving personal health and fitness goals. It serves as a guideline for determining calorie intake and designing appropriate nutrition and exercise plans.

The Formula for Calculating Total Daily Energy Expenditure

The formula to calculate TDEE is as follows:



  • RMR (Resting Metabolic Rate) represents the number of calories burned at rest, accounting for basic bodily functions.
  • PAL (Physical Activity Level) reflects the individual's level of physical activity throughout the day.

The Physical Activity Level is typically assigned a value ranging from 1.2 (sedentary lifestyle) to 2.5 (very active lifestyle), depending on the individual's daily activities and exercise regimen.

Relevance of Total Daily Energy Expenditure in Nutrition and Fitness

TDEE is highly relevant in the fields of nutrition and fitness as it helps individuals determine their caloric needs and create personalized dietary plans. By understanding their TDEE, individuals can adjust their calorie intake to achieve specific goals such as weight maintenance, weight loss, or muscle gain. Additionally, TDEE serves as a foundation for establishing macronutrient ratios and ensuring an appropriate balance of carbohydrates, proteins, and fats in one's diet. Fitness professionals and nutritionists use TDEE as a starting point for designing effective exercise programs and providing tailored nutritional guidance.

Real-Life Application

Let's consider a real-life example. Suppose an individual has a resting metabolic rate (RMR) of 1500 calories per day and a physical activity level (PAL) of 1.6. Using the formula mentioned above, we can calculate their Total Daily Energy Expenditure (TDEE) as follows:

TDEE = 1500 × 1.6 = 2400 calories per day

In this example, the individual's estimated TDEE is 2400 calories per day. To maintain their current weight, they would need to consume approximately 2400 calories daily. If their goal is to lose weight, they could create a calorie deficit by consuming fewer calories than their TDEE, while those aiming for weight gain would consume a surplus of calories.

Achievements in the Study of Total Daily Energy Expenditure

There are numerous researchers, scientists, and healthcare professionals who have contributed to the study of energy expenditure and the development of formulas like TDEE. Their research has deepened our understanding of metabolism, energy balance, and the intricate relationship between nutrition, physical activity, and overall well-being. Their work has paved the way for evidence-based recommendations in the fields of nutrition and fitness.


Total Daily Energy Expenditure (TDEE) is a fundamental concept in maintaining a healthy lifestyle. By understanding TDEE and calculating it using the provided formula, individuals can tailor their diet and exercise plans to meet their energy needs. Whether the goal is weight maintenance, weight loss, or muscle gain, TDEE serves as a valuable tool for creating personalized nutrition and fitness strategies. By considering factors such as resting metabolic rate and physical activity level, individuals can make informed choices to achieve their desired health and fitness outcomes.

Health Calculators

You may also find the following Health Calculators useful.

Use of the Health and Medical Calculators

Please note that the Total Daily Energy Expenditure Calculator is provided for your personal use and designed to provide information and information relating to the calculations only. The Total Daily Energy Expenditure Calculator should not be used for you to self-diagnose conditions, self-medicate or alter any existing medication that you are currently prescribed by your Doctor. If the Total Daily Energy Expenditure Calculator produces a calculation which causes you concern, please consult your Doctor for support, advice and further information.