BodyMetricPrecision Health & Fitness

Maintenance Calories Calculator

Find the exact energy balance to keep your body weight completely stable

Input Parameters
years
Real-time calculation updates dynamically as you adjust inputs. Values remain strictly local on your device.
Maintenance Caloric IntakeZero Net Weight Change
2604kcal/day

Weekly maintenance energy: 18228 kcal

Basal Metabolism
1680kcal/day
Activity Energy
924kcal/day
Clinical Responsibility Note: This calculation provides statistical estimations for informational and educational purposes only. It is not an individualized medical diagnosis or clinical prescription.

Mathematical Formula & Scientific Methodology

Formula: Thermodynamic Energy Balance

Energy In = Energy Out (TDEE)

Equates daily food metabolizable energy to metabolic heat and mechanical work expenditure.

Model Assumptions

  • Constant body mass and glycogen store equilibrium

Variables & Standard Units

SymbolPhysiological MeaningUnit
TDEETotal Daily Energy Expenditurekcal

Scientific Limitations

  • Daily variations in water balance can cause temporary scale fluctuations ±1-2 kg

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