Tdee Calculator Weight Loss Timeline

TDEE & Weight Loss Timeline Formulas:

\[ BMR = \begin{cases} 10 \times weight + 6.25 \times height - 5 \times age + 5 & \text{(male)} \\ 10 \times weight + 6.25 \times height - 5 \times age - 161 & \text{(female)} \end{cases} \] \[ TDEE = BMR \times activity\ multiplier \] \[ Timeline = \frac{Weight\ Loss\ Goal \times 3500}{Daily\ Deficit} \]

Weight:

Height:

Age:

years

Gender:

Activity Multiplier:

Weight Loss Goal:

Daily Deficit:

kcal/day

Basal Metabolic Rate (BMR):

Total Daily Energy Expenditure (TDEE):

Estimated Time to Reach Goal:

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is TDEE & Weight Loss Timeline?

TDEE (Total Daily Energy Expenditure) represents the total number of calories your body burns in a day, including basal metabolic rate and physical activity. The weight loss timeline estimates how long it will take to reach your weight loss goal based on your daily calorie deficit.

2. How Does the Calculator Work?

The calculator uses the following formulas:

Where:

\( BMR \) — Basal Metabolic Rate (calories burned at rest)
\( TDEE \) — Total Daily Energy Expenditure
\( Weight\ Loss\ Goal \) — Desired weight loss in kilograms
\( Daily\ Deficit \) — Daily calorie deficit in kcal
3500 — Approximate calories in 1 kg of body fat

Explanation: The calculator first determines your BMR using the Mifflin-St Jeor equation, then calculates TDEE based on your activity level, and finally estimates the time required to reach your weight loss goal.

3. Importance of TDEE Calculation

Details: Understanding your TDEE is crucial for effective weight management. It helps determine appropriate calorie intake for weight loss, maintenance, or gain. The timeline calculation provides realistic expectations for weight loss progress.

4. Using the Calculator

Tips: Enter accurate measurements for best results. For activity multiplier: Sedentary (office job), Lightly Active (light exercise 1-3 days/week), Moderately Active (moderate exercise 3-5 days/week), Very Active (hard exercise 6-7 days/week), Extremely Active (athlete/training 2x/day).

5. Frequently Asked Questions (FAQ)

Q1: How accurate is the TDEE calculation?
A: The Mifflin-St Jeor equation is considered one of the most accurate BMR formulas, but individual variations exist. It provides a good estimate for most people.

Q2: Why 3500 calories per kg of fat?
A: This is an approximation based on the energy content of body fat. Actual values may vary slightly between individuals.

Q3: Should I create a larger deficit to lose weight faster?
A: Extreme deficits can be unhealthy and unsustainable. A deficit of 500-1000 kcal/day is generally recommended for safe weight loss of 0.5-1 kg per week.

Q4: How often should I recalculate my TDEE?
A: Recalculate every 4-6 weeks or after significant weight changes, as your BMR decreases with weight loss.

Q5: Are there limitations to this calculation?
A: The timeline is an estimate and doesn't account for plateaus, metabolic adaptations, or changes in body composition during weight loss.