How Many Calories Do I Burn A Day Calculator

Total Daily Energy Expenditure Formula:

\[ \text{Calories} = \text{BMR} + \text{Activity Calories} + \text{Digestion} \]

Weight:

Height:

Age:

years

Gender:

Activity Level:

BMR (kcal):

Activity Calories (kcal):

Digestion (kcal):

Calories (kcal):

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1. What Is Total Daily Energy Expenditure?

Total Daily Energy Expenditure (TDEE) is the total number of calories your body burns in a day, including basal metabolic rate (BMR), physical activity, and the thermic effect of food (digestion). Understanding your TDEE is essential for weight management and maintaining a healthy lifestyle.

2. How Does The Calculator Work?

The calculator uses the following formula:

\[ \text{Calories} = \text{BMR} + \text{Activity Calories} + \text{Digestion} \]

Where:

\( \text{BMR} \) — Basal Metabolic Rate calculated using Mifflin-St Jeor Equation
\( \text{Activity Calories} \) — Calories burned through physical activity
\( \text{Digestion} \) — Calories burned during food digestion (approx. 10% of BMR)

Explanation: The equation accounts for your body's basic energy needs, activity level, and the energy required to process the food you eat.

3. Importance Of Calorie Calculation

Details: Knowing your daily calorie expenditure is crucial for weight management, whether your goal is to lose, maintain, or gain weight. It helps create appropriate nutrition plans and fitness regimens.

4. Using The Calculator

Tips: Enter your weight in kg, height in cm, age in years, select your gender and activity level. All values must be valid (weight > 0, height > 0, age between 1-120).

5. Frequently Asked Questions (FAQ)

Q1: What is BMR?
A: Basal Metabolic Rate (BMR) is the number of calories your body needs to perform basic life-sustaining functions at rest.

Q2: How accurate is this calculator?
A: While based on scientifically validated equations, individual variations exist. Consider this an estimate rather than an exact measurement.

Q3: Should I eat exactly my TDEE to maintain weight?
A: Yes, consuming calories equal to your TDEE should theoretically maintain your current weight, though individual metabolism can vary.

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

Q5: Why does digestion burn calories?
A: The thermic effect of food (TEF) represents the energy required to digest, absorb, and process the nutrients from your meals.