The full breakdown. What it is, why it matters, how to use it.
TDEE is the sum of your basal metabolic rate (calories burned at rest), the thermic effect of food (digestion), exercise activity, and non-exercise activity (NEAT — walking, fidgeting, standing). It's the number you eat at to maintain weight; eat below to cut, above to bulk.
Real Questions
How do I estimate my TDEE?
A quick estimate: bodyweight in lbs × 14 (sedentary) to 17 (very active). Track for 2 weeks and adjust until weight is stable — that's your true TDEE.
Related Terms
- Nutrition
Macros (Macronutrients)
Protein, carbs, and fat — the three nutrients that supply calories.
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Caloric Deficit
Eating fewer calories than you burn, causing fat loss.
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Caloric Surplus
Eating more calories than you burn, supporting muscle growth.
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NEAT (Non-Exercise Activity Thermogenesis)
Calories burned through daily movement outside of formal exercise.
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