BMR Calculator (Basal Metabolic Rate - 3 Clinical Formulas)
Clinical metabolic evaluation measuring baseline energy required to sustain vital cellular and cardiac functions at total 24-hour rest.
Input Parameters
Instant Calculation Result
Adjust values on the left to calculate live results.
In-Depth Guide & Mathematical Methodology
🧬 Physiology of Basal Energy Expenditure
BMR represents 60-75% of daily energy burn. Brain (20%), Liver (21%), Muscle (20%), Heart (9%), and Kidneys (8%) are the main resting energy consumers.
Frequently Asked Questions (FAQ)
What is the BMR Calculator (Basal Metabolic Rate - 3 Clinical Formulas) and how does it work?
Clinical metabolic evaluation measuring baseline energy required to sustain vital cellular and cardiac functions at total 24-hour rest.
How do I use this BMR Calculator (Basal Metabolic Rate - 3 Clinical Formulas)?
Select biological sex, age, weight, and height. Enter optional Body Fat % to enable Katch-McArdle formula. Compare BMR output across 3 clinical formulas. View hourly burn rate, kilojoules (kJ) conversion, and resting oxygen consumption (VO2).
What mathematical formula is used in this calculation?
Medical Formulas: 1. Mifflin-St Jeor (1990). 2. Katch-McArdle (1996). 3. Revised Harris-Benedict (1984). Kilojoules: 1 kcal = 4.184 kJ.
Is the BMR Calculator (Basal Metabolic Rate - 3 Clinical Formulas) on FindCalculator free to use?
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