Calorie Deficit & TDEE Calculator – Complete User Guide & Health Breakdown
Determine your personalized daily calorie intake target for sustainable fat loss based on your BMR, activity level, and weight loss rate.
The Science of Creating a Sustainable Calorie Deficit for Fat Loss
Fat loss obeys thermodynamic principles: your body must expend more energy than it consumes. One pound of body fat equals approximately 3,500 calories. A moderate deficit of 500 calories per day produces roughly 1 pound of fat loss per week without sacrificing lean muscle tissue or triggering severe metabolic adaptation.
Mifflin-St Jeor Formula for Accurate BMR Calculation
Our engine uses the clinically validated Mifflin-St Jeor equation to compute your Basal Metabolic Rate (BMR)—the energy burned at complete rest. By factoring in your age, gender, height, and current weight, it establishes the foundation for your exact daily maintenance energy.
Macronutrient Distribution: Balancing Protein, Carbs, and Fats
Maintaining adequate dietary protein (0.8 to 1.0 grams per pound of lean body weight) during a calorie deficit prevents muscle catabolism and increases satiety. EasyConverty provides targeted calorie targets that ensure you preserve strength while burning unwanted body fat.