TDEE & Calorie Deficit Calculator
Calculate your Total Daily Energy Expenditure (TDEE) and exact calorie deficit for healthy fat loss, weight maintenance, or muscle gain.
Find your daily energy expenditure and calculate target calories for healthy weight loss (deficit) or muscle growth (surplus).
How TDEE Calculator Works & Scientific Formula
Our online TDEE Calculator uses clinically validated physiological formulas for high accuracy. Formula: BMR (Mifflin-St Jeor) × Activity Multiplier (1.2 to 1.9). Calorie Deficit = TDEE - 500 kcal/day (approx. 0.5 kg fat loss/week).
Scientific Formula & Calculation Logic
This calculator executes clinical formulas recognized in medical and physiological literature:
BMR (Mifflin-St Jeor) × Activity Multiplier (1.2 to 1.9). Calorie Deficit = TDEE - 500 kcal/day (approx. 0.5 kg fat loss/week).
Reference Ranges & Health Categories
Frequently Asked Questions (FAQs)
BMR is the calories your body burns at total rest just to stay alive. TDEE accounts for all your daily physical activities, exercise, and thermic effect of food.
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