TDEE Equation:
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Total Daily Energy Expenditure (TDEE) including exercise represents the total number of calories your body burns in a day, accounting for both your basal metabolic rate (BMR) and all physical activities including dedicated exercise sessions.
The calculator uses the TDEE equation:
Where:
Explanation: This equation calculates your total energy expenditure by combining your base metabolic needs with activity levels and specific exercise calories.
Details: Accurate TDEE calculation is crucial for weight management, nutrition planning, athletic performance optimization, and creating effective diet and exercise programs.
Tips: Enter your BMR in kcal/day, select your activity factor based on your daily routine, and input additional exercise calories. All values must be valid (BMR > 0, activity factor between 1.2-1.9, exercise calories ≥ 0).
Q1: How do I calculate my BMR?
A: BMR can be estimated using formulas like Mifflin-St Jeor or Harris-Benedict equations based on age, gender, height, and weight.
Q2: What activity factor should I choose?
A: Select based on your typical daily activity: sedentary (1.2), lightly active (1.375), moderately active (1.55), very active (1.725), or extra active (1.9).
Q3: How do I estimate exercise calories?
A: Use fitness trackers, heart rate monitors, or exercise equipment displays. Many online calculators provide estimates based on activity type, duration, and intensity.
Q4: Should I include all exercise calories?
A: Yes, include calories burned during dedicated exercise sessions beyond your normal daily activities.
Q5: How often should I recalculate my TDEE?
A: Recalculate when your weight changes significantly, activity levels change, or every 4-6 weeks for accuracy.