Your Total Daily Energy Expenditure (TDEE) is the ultimate metric for understanding your metabolism. While your Basal Metabolic Rate (BMR) measures the calories your body burns at absolute rest just to stay alive, your TDEE encompasses everything: BMR, Non-Exercise Activity Thermogenesis (NEAT), the Thermic Effect of Food (TEF), and Exercise Activity Thermogenesis (EAT). By accurately calculating your TDEE, you establish the exact caloric baseline required to engineer a reliable weight loss deficit or a muscle-building surplus.
The TDEE Equation
TDEE = Basal Metabolic Rate (BMR) × Physical Activity Multiplier
Activity multipliers range from 1.2 (Sedentary) up to 1.9 (Extremely Active/Athlete).
How to Use This Calculator
- Select your biological sex and input your current age.
- Enter your exact height and body weight.
- Select the activity level that most accurately represents your average weekly lifestyle (be honest to avoid skewed results).
- Click Calculate to reveal the total number of calories you burn daily.
Frequently Asked Questions (FAQ)
What should I do with my TDEE number?
Your TDEE represents your maintenance calories. If you eat exactly this amount, your weight will not change. If your goal is weight loss, subtract 300 to 500 calories from your TDEE. If your goal is muscle hypertrophy (bulking), add 250 to 500 calories to your TDEE.
How often should I recalculate my TDEE?
Metabolism is dynamic, not static. As your body mass decreases during a cut (or increases during a bulk), your energy requirements will change. It is highly recommended to recalculate your TDEE every time your body weight changes by 5 to 10 pounds (2 to 4 kg) to prevent diet plateaus.