BMR Calculator
Estimate Mifflin–St Jeor resting energy. Educational screening only — not medical advice.
BMR
Use the fields below, then calculate. Results stay in your browser — for learning only, not medical advice.
Educational context
How this calculator works and what the numbers mean
This tool helps you explore BMR using widely published formulas and screening ranges. Results are for learning and self-awareness — they are not a diagnosis and do not replace advice from a qualified clinician.
All math runs in your browser on DoseFirst. Results are rounded for display and meant for learning — not for prescribing, dosing medicines, or making treatment decisions on your own.
BMR from weight, height, age and sex
Sources & disclaimer
Where the method comes from and how to use results safely
Peer-reviewed guidelines and reference equations commonly cited in public health and clinical education.
DoseFirst calculators are for general education and self-screening. They are not medical advice, do not diagnose conditions, and do not replace care from a qualified health professional.
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