Free Online BMR Calculator

Discover how to calculate your Basal Metabolic Rate (BMR) with our BMR Calculator! Learn how much energy your body needs at rest and estimate your daily calorie requirements based on your age, gender, weight, height, and activity level. Whether you're planning to lose, maintain, or gain weight, understanding your BMR is the first step to achieving your health and fitness goals. Explore the science behind BMR, the Mifflin-St Jeor Equation, and how activity levels impact your calorie needs. Perfect for fitness enthusiasts, health-conscious individuals, and anyone looking to optimize their nutrition. Start your journey to a healthier lifestyle today with our easy-to-use BMR Calculator!

BMR Calculator

Male Female Sedentary: little or no exercise Light: exercise 1-3 times/week Moderate: exercise 4-5 times/week Active: daily exercise or intense exercise 3-4 times/week Very Active: intense exercise 6-7 times/week

Features: Input Fields: Gender (Male/Female) Age (15-80 years) Weight (in kg) Height (in cm) Activity Level (Sedentary to Very Active) Validation: Ensures inputs are within valid ranges. BMR Calculation: Uses the Mifflin-St Jeor Equation to calculate Basal Metabolic Rate (BMR). Adjusts BMR based on activity level to estimate daily calorie needs. Results: Displays BMR and daily calorie needs based on activity level.