Calorie Goal for Weight Change

The daily calories to reach a target weight in your chosen timeframe — safely.

✓ Reviewed by Dr. Poonam Sekhon Chahal · 24 May 2026

How this is calculated

Uses ~7700 kcal per kg of body weight: daily target = your maintenance (TDEE) ± the daily deficit/surplus needed to reach your goal in the timeframe.

Sources

  1. Hall KD, et al. Energy balance and body weight (reference). Lancet 2011.
This calculator is for educational purposes and is not a substitute for professional medical advice, diagnosis, or treatment. The result is based on standard clinical formulas applied to the values you entered — your individual situation may need adjustments your doctor can make. Never disregard professional medical advice or delay seeking it because of something you read or calculated on healthcalculus.