1. What Is the Weight Loss Time Equation?

The weight loss time equation estimates how long it will take to lose a specific amount of weight based on your calorie deficit. It's based on the principle that 1 kg of body fat contains approximately 7,700 kcal.

2. How Does the Calculator Work?

The calculator uses the weight loss time equation:

Where:

• \( weight\_loss\_kg \) — Your weight loss goal in kilograms
• \( TDEE \) — Your Total Daily Energy Expenditure in kcal/day
• \( calories \) — Your daily calorie intake in kcal/day
• \( 7700 \) — Approximate kcal in 1 kg of body fat

Explanation: The equation calculates how many days it will take to burn the calories equivalent to your weight loss goal at your current daily calorie deficit.

3. Importance of Accurate Calculation

Details: Understanding the time required to reach your weight loss goals helps with setting realistic expectations and maintaining motivation throughout your weight loss journey.

4. Using the Calculator

Tips: For accurate results, use your actual TDEE (calculated with a TDEE calculator) and be honest about your daily calorie intake. The calculator assumes a consistent calorie deficit.

5. Frequently Asked Questions (FAQ)

Q1: Why 7,700 kcal per kg instead of 7,000?
A: Recent studies show adipose tissue contains about 7,700 kcal per kg when accounting for water and other non-fat components lost with fat.

Q2: Will weight loss be linear?
A: No, weight loss typically slows down as you lose weight due to metabolic adaptation and changes in TDEE.

Q3: What if my TDEE changes during weight loss?
A: As you lose weight, your TDEE decreases. For long-term goals, recalculate periodically with updated numbers.

Q4: Does this account for water weight?
A: No, this calculates fat loss only. Initial weight loss often includes significant water weight.

Q5: Is it safe to create a large calorie deficit?
A: Generally, deficits greater than 1,000 kcal/day aren't recommended without medical supervision.