Total Daily Energy Expenditure based on activity.
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A mathematical estimate based on validated equations, for education only. It is not a diagnostic tool.
TDEE is a metric of how many calories you burn per day which includes physical activity and metabolic functions.
The concept of Total Daily Energy Expenditure dates back to early 20th-century thermodynamics, where researchers realized that physical activity factors (PAL) could be reliably multiplied by BMR to estimate real-world energy burn.
Most people overestimate their activity level. If you're a desk worker who workouts 3 times a week, you're likely 'Lightly Active' rather than 'Moderate.' Err on the side of lower activity for more accurate weight goals.
This tool is for education only and is not a diagnostic device. Consult a licensed clinician before making health decisions.