BodyMetricPrecision Health & Fitness

Mifflin-St Jeor BMR Calculator

Dedicated execution of the 1990 Mifflin-St Jeor Resting Energy Expenditure formula

Input Parameters
years
Real-time calculation updates dynamically as you adjust inputs. Values remain strictly local on your device.
Mifflin-St Jeor BMRADA Recommended Standard
1649kcal/day

10W + 6.25H - 5A + s

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: Mifflin-St Jeor REE

Men: 10W + 6.25H - 5A + 5 | Women: 10W + 6.25H - 5A - 161

Evaluated as accurate within ±10% in over 82% of non-obese and obese subjects.

Model Assumptions

  • Adult individuals

Variables & Standard Units

SymbolPhysiological MeaningUnit
WWeight in kgdimensionless
HHeight in cmdimensionless
AAge in yearsdimensionless

Scientific Limitations

  • Does not explicitly use body fat percentage

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