1. What is TDEE?

Total Daily Energy Expenditure (TDEE) is an estimate of how many calories you burn per day when exercise is taken into account. It's calculated by first estimating your Basal Metabolic Rate (BMR), then multiplying that value by an activity factor.

2. How Does the Calculator Work?

The calculator uses the Mifflin-St Jeor Equation for BMR and activity multipliers:

Where:

• \( s \) — +5 for males, -161 for females
• Activity Factor — 1.2 (sedentary) to 1.9 (extra active)

Explanation: BMR represents calories burned at complete rest. The activity factor accounts for your daily movement and exercise.

3. Importance of TDEE Calculation

Details: Knowing your TDEE helps with weight management. To maintain weight, eat at TDEE. To lose weight, eat below TDEE. To gain weight, eat above TDEE.

4. Using the Calculator

Tips: Enter your weight in kg, height in cm, age in years, select gender and activity level. Be honest about your activity level for accurate results.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is TDEE calculation?
A: It provides a good estimate but individual variations exist. Adjust based on your actual results over time.

Q2: Should I eat exactly at my TDEE?
A: TDEE is an estimate. Monitor your weight and adjust intake as needed to reach your goals.

Q3: How often should I recalculate TDEE?
A: Recalculate when your weight changes significantly (5+ kg) or your activity level changes substantially.

Q4: Why use Mifflin-St Jeor instead of Harris-Benedict?
A: Mifflin-St Jeor is considered more accurate for most people in modern populations.

Q5: Does this account for body composition?
A: No, these equations don't account for muscle mass vs fat mass. Those with more muscle may burn more calories.