BMR Calculator
Calculate your Basal Metabolic Rate to understand your daily calorie needs at rest.
BMR Calculator
About BMR Calculator
Basal Metabolic Rate (BMR) is the amount of energy your body needs to maintain basic physiological functions while at rest. This includes breathing, circulation, cell production, nutrient processing, and protein synthesis.
BMR Formulas:
- Mifflin-St Jeor: Most accurate for most people (recommended)
- Harris-Benedict: Traditional formula, slightly less accurate
- Katch-McArdle: Most accurate for lean individuals, requires body fat %
Activity Levels:
- Sedentary: Little to no exercise
- Light: Light exercise 1-3 days/week
- Moderate: Moderate exercise 3-5 days/week
- Active: Heavy exercise 6-7 days/week
- Very Active: Very heavy exercise, physical job
Important: BMR calculations are estimates. Individual metabolic rates can vary.
Consult with a healthcare professional for personalized advice.
Related Tools
Metabolism Tips
- Build muscle mass to increase BMR
- Stay hydrated - dehydration slows metabolism
- Get adequate sleep (7-9 hours)
- Don't skip meals - eat regularly
- Include protein in every meal