1. What is BMI and Weight Loss Calculation?

Body Mass Index (BMI) is a measure of body fat based on height and weight. Weight loss calculation estimates potential weight reduction based on daily caloric deficit over time.

2. How Does the Calculator Work?

The calculator uses two main formulas:

Where:

• \( weight \) — Body weight in kilograms (kg)
• \( height \) — Height in meters (m)
• \( deficit \) — Daily caloric deficit in kilocalories (kcal/day)
• \( days \) — Time period in days
• 7700 — Estimated kcal per kg of body weight

Explanation: BMI provides a simple numeric measure of body fatness. The weight loss formula estimates fat loss based on the principle that 7700 kcal deficit equals approximately 1 kg of weight loss.

3. Importance of BMI and Weight Loss Tracking

Details: BMI helps categorize weight status (underweight, normal, overweight, obese). Weight loss tracking helps monitor progress in weight management programs.

4. Using the Calculator

Tips: Enter weight in kg, height in meters, daily caloric deficit, and time period. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What is a healthy BMI range?
A: 18.5-24.9 is considered normal weight. Below 18.5 is underweight, 25-29.9 overweight, and 30+ obese.

Q2: How accurate is the weight loss calculation?
A: It provides an estimate. Actual weight loss may vary due to metabolic adaptation, water retention, and other factors.

Q3: What's a safe caloric deficit?
A: Typically 300-500 kcal/day for moderate weight loss. Extreme deficits (>1000 kcal/day) should be medically supervised.

Q4: Does BMI work for athletes?
A: BMI may overestimate body fat in muscular individuals as it doesn't distinguish between muscle and fat.

Q5: Why 7700 kcal per kg?
A: This is the estimated energy equivalent of 1 kg of body fat, though individual variation exists.