1. What is TDEE?

Total Daily Energy Expenditure (TDEE) is the total number of calories you burn each day, including basal metabolic rate (BMR) and physical activity. It's crucial for weight management.

2. How Does the Calculator Work?

The calculator uses these equations:

Where:

• \( weight \) — Weight in kilograms
• \( height \) — Height in centimeters
• \( age \) — Age in years
• \( activity\_factor \) — Multiplier based on activity level

Explanation: The calculator first determines your BMR (calories burned at rest), then multiplies by your activity level to get TDEE, and finally subtracts 500 calories for weight loss.

3. Importance of TDEE Calculation

Details: Knowing your TDEE helps create an effective weight loss plan. A 500-calorie daily deficit typically leads to about 0.5kg (1lb) of weight loss per week.

4. Using the Calculator

Tips: Enter accurate weight, height, and age. Select your activity level honestly. The weight loss calories are set at TDEE minus 500 for moderate weight loss.

5. Frequently Asked Questions (FAQ)

Q1: Why subtract 500 calories for weight loss?
A: A 500-calorie daily deficit creates about 3500 calories weekly deficit, which equals approximately 0.5kg (1lb) of fat loss.

Q2: Is this calculator only for women?
A: This version uses the female BMR equation. Men should use a different BMR calculation (+5 instead of -161 at the end).

Q3: How accurate is the activity factor?
A: Activity factors are estimates. If weight loss isn't occurring as predicted, adjust your activity factor or calorie intake accordingly.

Q4: Should I eat below 1200 calories?
A: Generally no. Very low calorie diets should be supervised by a healthcare professional to ensure proper nutrition.

Q5: How often should I recalculate my TDEE?
A: Recalculate every 5-10kg of weight loss, as your BMR decreases with weight loss.