Calories Calculator Weight Loss Percentage

Weight Loss Calories Formula:

\[ Calories = TDEE - \left(\frac{percentage \times initial \times 7700}{days \times 100}\right) \]

TDEE (Total Daily Energy Expenditure):

kcal/day

Weight Loss Percentage:

Initial Weight:

Time Period:

days

Daily Calories for Target Weight Loss:

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1. What is the Weight Loss Calories Calculation?

This calculator determines the daily calorie intake needed to achieve a specific percentage of weight loss over a given time period, based on your TDEE (Total Daily Energy Expenditure) and the energy deficit required to lose the target weight.

2. How Does the Calculator Work?

The calculator uses the weight loss calories formula:

\[ Calories = TDEE - \left(\frac{percentage \times initial \times 7700}{days \times 100}\right) \]

Where:

\( TDEE \) — Total Daily Energy Expenditure (kcal/day)
\( percentage \) — Desired weight loss percentage
\( initial \) — Initial body weight (kg)
\( days \) — Time period for weight loss (days)
\( 7700 \) — kcal per kg of body fat

Explanation: The formula calculates the daily calorie deficit needed to lose a specific percentage of body weight over a given time period, then subtracts this from your TDEE to give your daily calorie target.

3. Importance of Calorie Calculation

Details: Accurate calorie calculation helps create a sustainable weight loss plan that targets fat loss while preserving muscle mass and maintaining energy levels.

4. Using the Calculator

Tips: Enter your TDEE (use a TDEE calculator if unknown), desired weight loss percentage, current weight, and the time period for achieving your goal. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why 7700 kcal per kg?
A: This is the approximate energy contained in 1 kg of body fat. Actual values may vary slightly between individuals.

Q2: Is this calculation accurate for everyone?
A: It provides a good estimate, but individual results may vary due to metabolic adaptations and body composition changes.

Q3: What's a safe weight loss percentage?
A: Generally 0.5-1% of body weight per week is considered safe and sustainable for most people.

Q4: Should I eat exactly these calories?
A: Use this as a starting point and adjust based on your progress and how you feel. Consult a nutritionist for personalized advice.

Q5: What if my calculated calories are very low?
A: Extremely low calorie targets may be unsustainable or unhealthy. Consider extending your time frame or aiming for a smaller percentage loss.