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BMR Calculator

Calculate Basal Metabolic Rate with our free BMR Calculator. Get accurate daily calorie needs and personalized nutrition recommendations for your fitness goals.

Our BMR Calculator helps you determine your Basal Metabolic Rate - the number of calories your body needs at rest to maintain basic bodily functions. Get personalized daily calorie needs based on your activity level for effective weight management.

Enter Your Details
Provide your personal information to calculate your BMR
Your BMR Results
Based on the Mifflin-St Jeor Equation

Enter your details and click "Calculate BMR" to see your results

About BMR Calculations

Basal Metabolic Rate (BMR) is the number of calories your body needs to maintain basic bodily functions while at rest. These functions include breathing, circulation, cell production, nutrient processing, protein synthesis, and ion transport.

Key Components

  • • BMR: Calories burned at rest
  • • Activity multipliers for different lifestyles
  • • Gender-specific calculations
  • • Multiple unit support (kg/lbs, cm/ft/in)

Features

  • • Mifflin-St Jeor equation
  • • Activity level adjustments
  • • Personalized calorie recommendations
  • • Weight management guidance
Mifflin-St Jeor Equation:

Men: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age(y) + 5

Women: BMR = 10 × weight(kg) + 6.25 × height(cm) - 5 × age(y) - 161