BMR Calculator
Calculate your Basal Metabolic Rate โ calories your body burns at complete rest.
What is BMR?
Basal Metabolic Rate (BMR) is the energy your body needs to sustain vital functions (breathing, circulation, cell production) at complete rest. Calculated using the Mifflin-St Jeor equation โ the most accurate formula for most adults.
Activity Multipliers
| Activity Level | Multiplier |
|---|---|
| Sedentary | ร 1.2 |
| Light (1โ3 days/week) | ร 1.375 |
| Moderate (3โ5 days/week) | ร 1.55 |
| Active (6โ7 days/week) | ร 1.725 |
| Very Active | ร 1.9 |
This calculator is for educational purposes only. Consult a qualified healthcare professional for medical advice.