BMR Calculator: What Is Basal Metabolic Rate and Why It Matters
Published: 2026-05-05 · 6 min read
Your Basal Metabolic Rate determines how many calories your body burns at rest. Understanding it is the foundation of any effective diet plan.
What Is Basal Metabolic Rate BMR?
BMR is the number of calories your body needs to perform basic life-sustaining functions like breathing, circulation, cell production, and nutrient processing — while completely at rest.
BMR vs TDEE
| Metric | What It Measures | Includes |
|--------|-----------------|----------|
| BMR | Calories at complete rest | Organ function, breathing, cell repair |
| TDEE | Total daily calories | BMR + activity + exercise + digestion |
Your TDEE is always higher than...
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