Weight Goal Calculator
Calculate the exact energy balance and daily caloric shift needed to hit your goal weight
Targeting 8 kg change over ~16 weeks
Mathematical Formula & Scientific Methodology
Formula: Goal Timeline Energy Model
Total Energy Delta = Weight Difference (kg) × 7700 kcalCalculates cumulative energy deficit or surplus partitioned across an evidence-based timeline.
Model Assumptions
- Consistent adherence to nutritional intake
Variables & Standard Units
| Symbol | Physiological Meaning | Unit |
|---|---|---|
| Weight Difference | Target mass change | kg |
Scientific Limitations
- Does not include individual variations in water retention
Peer-Reviewed Scientific Citations
A new predictive equation for resting energy expenditure in healthy individuals (1990)
Mifflin MD, St Jeor ST, Hill LA, Scott BJ, Daugherty SA, Koh YO (1990) — The American Journal of Clinical Nutrition, 51(2), 241-247
Key Finding: Mifflin-St Jeor equation is accurate within ±10% of measured REE in non-obese and obese individuals, recommended by the Academy of Nutrition and Dietetics as the most reliable standard equation.
Frequently Asked Questions
Related Calculators & Next Steps
Weight Loss Timeline Calculator
Project weekly weight progressions toward your final target
Calorie Deficit Calculator
Calculate evidence-based caloric deficits for safe, sustainable fat loss
Goal Weight Calculator
Calculate an ideal goal weight based on target body fat percentage