# TDEE Calculator Estimate your Total Daily Energy Expenditure (TDEE) to determine how many calories you burn and need each day for your goals. --- - **Canonical URL:** https://dothecalculation.com/calculators/tdee-calculator - **Category:** Health and fitness - **Publisher:** Do The Calculation (https://dothecalculation.com) - **Cost:** Free, no account or sign-up required - **Privacy:** Runs entirely in the browser; inputs are never sent to a server - **Methodology:** https://dothecalculation.com/methodology - **Reviewed by:** Dr. Sarah Jenkins, PhD, PhD in Exercise Physiology & Metabolism, Stanford University (https://dothecalculation.com/about/team/sarah-jenkins) --- ## Find your total daily calorie burn Estimate your Total Daily Energy Expenditure (TDEE) based on your resting metabolism and daily activity levels. - Total energy expenditure splits - Activity multiplier calibration - Custom weight-goal calorie targets ## Deconstructing Total Daily Energy Expenditure (TDEE) If your Basal Metabolic Rate (BMR) represents the energy your body burns to stay alive at rest, your Total Daily Energy Expenditure (TDEE) represents the total energy you burn throughout a full 24-hour day. TDEE is the real target for calorie planning. It takes your resting metabolism and adds the energy burned during movement, exercise, and digesting food. To understand TDEE, we must break it down into its four constituent biological components: **Basal Metabolic Rate (BMR)**: The energy used to maintain basic cellular and organ function. BMR is the largest component, accounting for **60% to 75%** of daily energy expenditure for most individuals. **Non-Exercise Activity Thermogenesis (NEAT)**: The energy consumed during spontaneous, unstructured physical movements. This includes standing, walking around your house, taking the stairs, typing, cleaning, and fidgeting. NEAT is the most variable component, making up **15% to 30%** of TDEE depending on your lifestyle. **Exercise Activity Thermogenesis (EAT)**: The energy burned during structured workouts like jogging, weightlifting, cycling, or swimming. For most people, EAT is surprisingly small, representing only **5% to 10%** of total daily calorie expenditure. **Thermic Effect of Food (TEF)**: The metabolic energy required to process, digest, and store the nutrients you consume. TEF accounts for about **10%** of TDEE in individuals eating a balanced diet. ## Activity Multipliers and Physical Activity Level (PAL) In exercise science, TDEE is estimated by multiplying BMR by a Physical Activity Level (PAL) coefficient. These multipliers represent the metabolic equivalent of your daily activity patterns: $$\text{TDEE} = \text{BMR} \times \text{PAL}$$ Selecting the correct activity multiplier is critical for accurate calculations: **Sedentary (PAL = 1.2)**: Typical for office workers with desk jobs who engage in little to no structured physical activity. Spontaneous movement is low. **Lightly Active (PAL = 1.375)**: For individuals doing light workouts or brisk walking 1 to 3 days per week, or holding jobs that require standing (e.g., teaching). **Moderately Active (PAL = 1.55)**: For those doing moderate exercise or physical activity 3 to 5 days per week, or holding active jobs (e.g., retail work, light construction). **Very Active (PAL = 1.725)**: For individuals training intensely 6 to 7 days per week, or working high-movement jobs (e.g., farming, construction, mail delivery). **Extra Active (PAL = 1.9)**: Typical for competitive athletes, double-session training routines, or heavy physical labor (e.g., manual logging, professional sports). ## Step-by-Step TDEE Calculation Walkthrough Let us calculate the TDEE manually for a sample profile using the Mifflin-St Jeor BMR equation and physical activity multipliers. Consider a 28-year-old female who weighs \(65\text{ kg}\) and stands \(170\text{ cm}\) tall, and is lightly active. The Mifflin-St Jeor formula for women is: \(\text{BMR} = 10 \times \text{Weight (kg)} + 6.25 \times \text{Height (cm)} - 5 \times \text{Age (years)} - 161\). Step 1: Compute weight component: \(10 \times 65 = 650\). Step 2: Compute height component: \(6.25 \times 170 = 1,062.5\). Step 3: Compute age component: \(5 \times 28 = 140\). Step 4: Combine components and subtract 161: \(650 + 1,062.5 - 140 - 161 = 1,411.5\text{ calories/day}\). This is her BMR, what she burns at rest. Step 5: Multiply by the lightly active factor (1.375) to find TDEE: \(1,411.5 \times 1.375 = 1,940.81\). Therefore, her TDEE is **1,941 calories per day**. This is her maintenance calorie level. Eating exactly 1,941 calories daily will keep her weight stable. ## The Thermic Effect of Food (TEF) and Diet Composition While we estimate TEF as 10% of total calorie intake, the actual energy required to process nutrients depends on the macronutrient composition of your diet. This is known as dietary-induced thermogenesis: **Protein (20% - 30% TEF)**: Protein requires significant energy to process because the body must break down peptide bonds and convert nitrogen into urea. If you consume 100 calories of protein, your body uses 20 to 30 of those calories just to digest and assimilate it. **Carbohydrates (5% - 15% TEF)**: Processed relatively easily, with complex carbohydrates (fiber, starches) requiring more energy to break down than simple sugars. **Fats (0% - 3% TEF)**: Fats are digested and stored as adipose tissue with minimal energy expenditure. Due to these metabolic differences, diets rich in protein raise TDEE slightly compared to high-fat or high-simple-carb diets, supporting body composition and satiety during fat-loss phases. ## NEAT: The Hidden Driver of Metabolic Variance Non-Exercise Activity Thermogenesis (NEAT) represents the energy burned during daily, non-sports activity. NEAT is the primary reason why two people of identical size and training habits can have vastly different daily energy requirements. A construction worker standing and walking for 8 hours has a significantly higher NEAT and TDEE than an office worker who sits at a computer all day, even if both perform the same 1-hour evening workout. ## How to Use This Calculator Select your sex and activity level, then enter your age, height in centimeters, and weight in kilograms. The calculator computes your BMR with the Mifflin-St Jeor formula and multiplies it by your activity factor to produce your TDEE — the calorie level that keeps your weight stable. ## Related Calculators Set a weight-loss or weight-gain target from this baseline with the [calorie calculator](/calculators/calorie-calculator), or verify it against your real-world numbers with the [adaptive TDEE calculator](/calculators/tdee-adaptive-calculator). If your activity level comes from a step count rather than a workout log, the [steps to miles and calories calculator](/calculators/steps-to-miles-calories-calculator) turns that into a distance and calorie estimate you can fold back into this baseline. ## Frequently asked questions ### What is Total Daily Energy Expenditure (TDEE)? TDEE is the total number of calories your body burns in a 24-hour period, calculated as BMR multiplied by your physical activity level. ### How do I find my maintenance calories? Your maintenance calories are identical to your TDEE. Eating this amount daily will keep your weight constant. ### Why does my BMR differ from my TDEE? BMR is what your body burns at complete rest just to keep organs functioning. TDEE adds the energy burned from daily movement, workouts, and digestion. ### How do I choose the correct activity multiplier? Be honest about daily movement. Choose "Sedentary" if you have a desk job and do not work out. Select higher tiers based on weekly workout frequency or physical labor. ### Can my TDEE change? Yes. TDEE adjusts dynamically when your body weight changes, as you gain or lose muscle mass, or when you modify your daily physical activity levels. ### What is NEAT? NEAT stands for Non-Exercise Activity Thermogenesis. It is the energy burned during unstructured daily movements like walking, standing, and fidgeting. ### How does protein intake affect TDEE? Protein has a high thermic effect (TEF), meaning 20-30% of its calories are burned during digestion, raising TDEE slightly compared to fats or simple carbs. ### What caloric deficit is best for fat loss? Subtract 300 to 500 calories from your TDEE to achieve a sustainable weight loss of 0.5 to 1.0 pounds per week, protecting lean muscle mass. ### Does cardio or weightlifting burn more calories? Cardio burns more calories during the session itself. Weightlifting burns fewer calories during the workout but builds muscle, raising BMR and TDEE permanently. ### What is the formula for calculating TDEE? TDEE = BMR × Activity Factor. The activity factor ranges from 1.2 (sedentary) to 1.9 (extra active). ## Related concepts - **NEAT** — Non-Exercise Activity Thermogenesis: energy burned during daily unstructured movement. - **Thermic Effect of Food** — The caloric cost of digesting, absorbing, and storing nutrients from meals. - **Physical Activity Level** — The multiplier coefficient scaling BMR to find total daily energy needs. ## Related guides - [TDEE Calculation Guide: Estimate Maintenance Calories](https://dothecalculation.com/blog/health/tdee-calculation-guide) — Learn how TDEE is estimated from BMR and activity, reproduce the calculator result, and validate maintenance calories with real-world trends. - [Daily Calorie Needs: Estimate Maintenance and Goals](https://dothecalculation.com/blog/health/daily-calorie-needs) — Estimate daily calories from BMR, activity, and a goal adjustment, then learn how to use the result as a starting point rather than a prescription. - [BMR and Metabolic Rate: Understanding Your Basal Metabolism](https://dothecalculation.com/blog/health/bmr-metabolic-rate) — Understand what BMR really measures, how the Mifflin-St Jeor formula works, and how to use BMR and TDEE for practical calorie planning. ## Related calculators - [BMR Calculator](https://dothecalculation.com/calculators/bmr-calculator) — Estimate your basal metabolic rate (BMR) and daily calorie needs at rest based on your age, gender, height, and weight for accurate results. - [Adaptive TDEE Calculator](https://dothecalculation.com/calculators/tdee-adaptive-calculator) — Calculate your true adaptive TDEE using real-world daily calorie intake and weight trend data for more accurate results. - [Caloric Deficit & Timeline Planner](https://dothecalculation.com/calculators/caloric-deficit-bodyfat-calculator) — Estimate your projected weight loss timeline and adapted BMR using dynamic metabolic modeling based on your caloric deficit. - [Protein Calculator](https://dothecalculation.com/calculators/protein-calculator) — Estimate your ideal daily protein intake based on body weight, activity level, and fitness goals like building lean muscle. - [Calorie Calculator](https://dothecalculation.com/calculators/calorie-calculator) — Estimate your daily calorie needs for weight loss, maintenance, or muscle gain based on age, gender, height, weight, and activity level. - [Meal Glycemic Load Calculator](https://dothecalculation.com/calculators/glycemic-load-meal-calculator) — Calculate the total glycemic load of your daily meals and see an impact classification for better blood sugar management. --- _This calculator is for educational and fitness planning purposes only. BMI classifications, metabolic rates (BMR/TDEE), body fat percentages, caloric targets, and ideal weight estimations are clinical guidelines and do not replace personalized medical advice, diagnostic evaluations, or dietetic counseling. Always consult with a licensed physician or registered dietitian before starting a new diet or intense exercise program._ --- _Source: [Do The Calculation](https://dothecalculation.com/calculators/tdee-calculator). Quote freely with attribution and a link to this page._