Body Mass Index (BMI) is a person's weight in kilograms divided by the square of height in meters. BMI is an inexpensive and easy screening method for weight category—underweight, healthy weight, overweight, and obesity.
Basal Metabolic Rate (BMR) is the number of calories your body needs at complete rest to maintain basic functions. BMR is a key metric for understanding your daily energy requirements and creating personalized nutrition plans.
Body fat percentage measures fat mass versus total weight, assessing health better than BMI. It distinguishes essential fat (for bodily functions) from storage fat, providing accurate body composition analysis for fitness and health goals.
Your daily calorie needs depend on your Basal Metabolic Rate (BMR) and activity level. This calculator uses the Mifflin-St Jeor equation, the most accurate formula for estimating calorie requirements.
Calories burned measures energy expended during physical activity. It depends on exercise intensity, duration, and body weight. Higher intensity activities burn more calories. Tracking helps with weight management and fitness goals.
Carbohydrates measure energy from foods like grains, fruits, and vegetables. Needs depend on activity level, body weight, and fitness goals. Complex carbs provide sustained energy. Tracking supports nutrition planning and energy management.
Heart rate measures cardiovascular intensity during activity. It varies by age, fitness level, and exercise intensity. Tracking helps optimize workouts, monitor progress, and maintain target zones for goals like fat burning or endurance training.
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