Free BMR Calculator

Calculate your Basal Metabolic Rate instantly. Get calorie recommendations and health insights for optimal nutrition and fitness planning.

Accurate Detailed Instant

BMR Calculator

How Our BMR Calculator Works

1. Enter Details

Input your age, gender, weight, height, and activity level. Our free BMR calculator uses the Mifflin-St Jeor equation for accurate results.

2. Calculate BMR

Our BMR calculator computes your Basal Metabolic Rate and Total Daily Energy Expenditure based on scientific formulas and your activity level.

3. Get Insights

Receive detailed calorie recommendations for weight loss, maintenance, and gain. Perfect for nutrition planning and fitness goals.

Working Principle of Our BMR Calculator

Mifflin-St Jeor Equation

Our free online BMR calculator uses the scientifically validated Mifflin-St Jeor equation, which is considered the most accurate method for calculating Basal Metabolic Rate. It accounts for age, gender, weight, and height factors.

Activity Level Integration

The BMR calculator multiplies your BMR by an activity factor to calculate Total Daily Energy Expenditure (TDEE). This provides accurate calorie needs based on your lifestyle and exercise habits.

Comprehensive Recommendations

Our BMR calculator provides detailed calorie recommendations for different goals including weight loss, maintenance, and weight gain. It helps with meal planning and nutrition optimization.

Scientific Accuracy

Evidence-based BMR calculation for health optimization

Why Choose Our Free BMR Calculator?

Instant Calculation

Calculate BMR and TDEE instantly with scientific accuracy

Detailed Insights

Get comprehensive calorie recommendations for all goals

Health Focused

Scientific formulas for accurate metabolic rate calculation

Mobile Friendly

Works perfectly on all devices and screen sizes

Frequently Asked Questions

Yes! Our free online BMR calculator is completely free to use. There are no hidden fees, registration requirements, or usage limits. You can calculate your BMR as much as you need without any cost.

BMR (Basal Metabolic Rate) is the number of calories your body needs to maintain basic functions at rest. It's essential for weight management, nutrition planning, and understanding your body's energy needs for optimal health and fitness.

Our BMR calculator uses the scientifically validated Mifflin-St Jeor equation, which is considered the most accurate method for BMR calculation. It provides reliable estimates for nutrition planning, weight management, and fitness goal setting.

BMR is the calories needed for basic body functions at rest, while TDEE (Total Daily Energy Expenditure) includes your activity level. TDEE is more useful for daily calorie planning as it accounts for exercise and daily activities.

Perfect For Various Health and Fitness Needs

Fitness Planning

Calculate BMR for fitness planning, workout nutrition, and muscle building. Essential for athletes, fitness enthusiasts, and personal trainers optimizing performance and recovery.

Nutrition Planning

Use BMR calculations for meal planning, diet optimization, and weight management. Perfect for nutritionists, dieticians, and individuals focused on healthy eating habits.

Health Monitoring

Monitor metabolic health and energy needs for overall wellness. Essential for healthcare professionals, wellness coaches, and individuals tracking their health metrics.