Calculating Total Daily Energy Expenditure

TDEE Formula:

\[ TDEE = BMR \times Activity\ Factor \]

BMR (Basal Metabolic Rate):

kcal

Activity Factor:

Total Daily Energy Expenditure (TDEE):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is Total Daily Energy Expenditure?

Total Daily Energy Expenditure (TDEE) represents the total number of calories your body burns in a day, including basal metabolic rate (BMR) and calories burned through physical activity. It's a crucial metric for weight management and nutrition planning.

2. How Does the Calculator Work?

The calculator uses the TDEE formula:

\[ TDEE = BMR \times Activity\ Factor \]

Where:

\( BMR \) — Basal Metabolic Rate (calories burned at rest)
\( Activity\ Factor \) — Multiplier based on activity level (1.2-1.9)

Explanation: The equation multiplies your basal metabolic rate by an activity factor that accounts for your daily physical activity level.

3. Importance of TDEE Calculation

Details: Knowing your TDEE is essential for weight management. To lose weight, consume fewer calories than your TDEE; to gain weight, consume more. It helps create personalized nutrition plans and set realistic fitness goals.

4. Using the Calculator

Tips: Enter your BMR in kcal (use a BMR calculator if unknown) and select your appropriate activity level based on your weekly exercise routine and daily activity patterns.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the TDEE calculation?
A: While the formula provides a good estimate, individual variations in metabolism, body composition, and activity patterns can affect accuracy. It's best used as a starting point.

Q2: Should I use my current weight or goal weight for calculations?
A: Use your current weight for accurate TDEE calculation. Adjust as you lose or gain weight for continued accuracy.

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

Q4: What if my activity level varies day to day?
A: Choose the activity factor that best represents your average weekly activity. You can also calculate different days separately and average them.

Q5: Can TDEE help with muscle building?
A: Yes, to build muscle you typically need to consume 250-500 calories above your TDEE while following a strength training program.