Nutrition
BMR vs RMR Difference
BMR vs RMR difference is mainly measurement conditions—both estimate resting burn; formulas approximate either, and thyroid status shifts real values until treated.
BMR vs RMR difference is subtle: basal metabolic rate is measured under strict fasting rest in a lab; resting metabolic rate is measured under looser rested conditions and is usually a few percent higher. Apps and formulas approximate both—treat them as starting guesses, not prescriptions.
Thyroid disorders shift either number until treated. Use estimates to bracket intake, then adjust from four-week weight and performance trends.
Common questions
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Which number should athletes use for meal planning?
Use whichever you actually measured, or a formula as a starting bracket. Adjust intake from weight trend, training performance, and clinician labs—not calculator pride.
Related terms
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