BMR (Basal Metabolic Rate)
Calories your body needs at complete rest to maintain vital functions like breathing and circulation.
Why it matters
BMR is the foundation of TDEE and shapes calorie planning.
How it works
Commonly estimated using Mifflin–St Jeor based on age, sex, weight, and height.
How to calculate / apply
Use BMR to understand your baseline needs, then apply an activity factor to reach TDEE.
Examples
- Two people with different weights and ages will have different BMRs even with the same height.
Common mistakes
- Confusing BMR with TDEE
FAQ
- Does more muscle raise BMR?
- Yes, generally muscle increases resting energy use.