1. What is the Calorie Equation?

The calorie equation estimates your daily calorie needs based on your basal metabolic rate (BMR) and activity level, then adjusts for your desired weight loss over one month.

2. How Does the Calculator Work?

The calculator uses the equation:

Where:

• \( weight \) — Body weight in kilograms
• \( height \) — Height in centimeters
• \( age \) — Age in years
• \( gender\_factor \) — 5 (male) or -161 (female)
• \( activity\_factor \) — Multiplier based on activity level
• \( weight\_loss\_kg \) — Desired weight loss in kg/month
• 7700 — Calories per kg of body fat

Explanation: The equation first calculates your maintenance calories, then subtracts the calorie deficit needed to achieve your desired weight loss.

3. Importance of Calorie Calculation

Details: Accurate calorie estimation is crucial for effective weight loss while maintaining health and energy levels.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: Is losing 1kg per week safe?
A: 0.5-1kg per week is generally considered safe for most people. More rapid weight loss may cause muscle loss.

Q2: Why 7700 calories per kg?
A: This is the approximate energy contained in 1kg of body fat. Actual values may vary slightly.

Q3: Should I eat below my BMR?
A: It's generally not recommended to eat below your BMR for extended periods as this can slow your metabolism.

Q4: How accurate is the activity factor?
A: Activity factors are estimates. Actual calorie burn may vary based on individual factors.

Q5: Should I adjust my calories as I lose weight?
A: Yes, as you lose weight your calorie needs decrease. Recalculate every 2-4 weeks.