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TDEE Formula:
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Total Daily Energy Expenditure (TDEE) represents the total number of calories your body burns in a day, including basal metabolic rate and physical activity. It's a crucial metric for weight management and nutritional planning.
The calculator uses the TDEE equation:
Where:
Explanation: The equation multiplies your basal metabolic rate (calories burned at rest) by an activity factor that accounts for your daily physical activity level.
Details: Knowing your TDEE is essential for creating effective diet plans, whether for weight loss, maintenance, or muscle gain. It helps determine appropriate calorie intake for your goals.
Tips: Enter your BMR in kcal/day and select your appropriate activity factor based on your daily physical activity level. All values must be valid (BMR > 0).
Q1: What is Basal Metabolic Rate (BMR)?
A: BMR is the number of calories your body needs to perform basic life-sustaining functions at complete rest, such as breathing, circulation, and cell production.
Q2: How do I determine my activity factor?
A: Choose based on your daily activity: Sedentary (1.2), Lightly Active (1.375), Moderately Active (1.55), Very Active (1.725), or Extra Active (1.9).
Q3: How accurate is TDEE calculation?
A: While the formula provides a good estimate, individual variations in metabolism and activity levels mean results should be used as a starting point and adjusted based on actual results.
Q4: Should I use TDEE for weight loss?
A: Yes, consuming 500-1000 calories less than your TDEE typically results in 1-2 pounds of weight loss per week, depending on individual factors.
Q5: How often should I recalculate my TDEE?
A: Recalculate when your weight changes significantly, activity level changes, or every 4-6 weeks to account for metabolic adaptations.