Health & Fitness · Free Online Tool
Calorie Deficit Calculator
Calculate precise negative energy balance, timeline projections, and adaptive thermogenesis adjustments for sustainable fat loss.
Presets:
Target Daily Calorie Intake
2,317 kcal
Daily deficit of 500 kcal below maintenance TDEE (2817 kcal).
Daily Deficit
-500 kcal
Weekly Loss
0.45 kg (1 lbs)
Days to Goal
108 days
Maintenance TDEE
2817 kcal
Metric Distribution Analysis
Daily Deficit 500
Weekly Loss 0.45
Days to Goal 108
Maintenance TDEE 2,817
Muscle-Sparing Macronutrient Framework
Protein
170g
Fats
68g
Carbs
256g
Frequently Asked Questions
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