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 two equations:

Where:

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

Activity Factors:

• 1.2 - Sedentary (little or no exercise)
• 1.375 - Lightly active (light exercise 1-3 days/week)
• 1.55 - Moderately active (moderate exercise 3-5 days/week)
• 1.725 - Very active (hard exercise 6-7 days/week)
• 1.9 - Extra active (very hard exercise & physical job)

3. Importance of TDEE Calculation

Details: Knowing your TDEE helps with weight management - consuming fewer calories than your TDEE leads to weight loss, while consuming more leads to weight gain.

4. Using the Calculator

Tips: Enter your weight in kg, height in cm, age in years, and select your activity level. For accurate results, use morning measurements before eating or drinking.

5. Frequently Asked Questions (FAQ)

Q1: Why is this calculator specific to men?
A: The BMR equation differs slightly between men and women due to differences in body composition.

Q2: How accurate is this calculator?
A: It provides a good estimate for most people, but individual variations in metabolism can affect actual energy expenditure.

Q3: Should I adjust my activity factor if I have a physical job?
A: Yes, choose the activity level that best matches your total daily activity, including both exercise and occupational activity.

Q4: How often should I recalculate my TDEE?
A: Recalculate whenever your weight changes significantly (5+ kg) or your activity level changes substantially.

Q5: Can I use this for weight loss?
A: Yes, consuming 500 kcal less than your TDEE daily typically results in about 0.5 kg of fat loss per week.