Total Daily Energy Expenditure Calculator To Lose Weight

TDEE Formula:

\[ TDEE = BMR \times AF \]

Basal Metabolic Rate (BMR):

kcal/day

Activity Factor (AF):

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.

2. How Does the Calculator Work?

The calculator uses the TDEE formula:

\[ TDEE = BMR \times AF \]

Where:

\( BMR \) — Basal Metabolic Rate (calories burned at rest)
\( AF \) — Activity Factor (multiplier based on activity level)

Explanation: The equation calculates your total daily calorie needs by multiplying your BMR by an activity factor that represents your daily physical activity level.

3. Importance of TDEE Calculation for Weight Loss

Details: Knowing your TDEE is essential for effective weight loss. To lose weight, you need to consume fewer calories than your TDEE, creating a calorie deficit. A deficit of 500-1000 calories per day typically results in 1-2 pounds of weight loss per week.

4. Using the Calculator

Tips: Enter your BMR (calculated from a separate BMR calculator) and select your activity level based on your typical weekly exercise routine. The calculator will provide your estimated TDEE for weight management.

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the TDEE calculation?
A: The calculation provides a good estimate, but individual variations exist. Factors like genetics, muscle mass, and metabolic health can affect actual energy expenditure.

Q2: Should I eat at my TDEE to maintain weight?
A: Yes, consuming calories equal to your TDEE should maintain your current weight. For weight loss, consume 500-1000 calories less than your TDEE.

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

Q4: Why is BMR needed separately?
A: BMR represents your baseline metabolic rate without activity. The activity factor then accounts for your daily movement and exercise.

Q5: Can TDEE change over time?
A: Yes, TDEE decreases as you lose weight because a smaller body requires fewer calories. It's important to recalculate periodically during weight loss.