BMR Calculator
Calculate your Basal Metabolic Rate (BMR) to determine your daily calorie needs at rest and with activity.
The Mifflin-St Jeor Equation is considered the most accurate for most people.
About BMR Calculator
Our BMR Calculator helps you determine your Basal Metabolic Rate - the number of calories your body burns at rest to maintain basic life functions. This is essential for understanding your daily calorie needs and planning your nutrition.
Available Formulas
- Mifflin-St Jeor Equation: Most accurate for most people
- Harris-Benedict Equation: Traditional formula, slightly older
- Katch-McArdle Formula: Most accurate when body fat percentage is known
Activity Level Multipliers
- Sedentary: 1.2 (little or no exercise)
- Lightly Active: 1.375 (light exercise 1-3 days/week)
- Moderately Active: 1.55 (moderate exercise 3-5 days/week)
- Very Active: 1.725 (hard exercise 6-7 days/week)
- Extra Active: 1.9 (very hard exercise & physical job)
Important Notes
- BMR is just an estimate and may vary based on individual factors
- Consult healthcare professionals for personalized advice
- Consider factors like muscle mass, genetics, and medical conditions
- Adjust calorie goals based on your progress and goals
- Not suitable for children and adolescents