1. What is the Calories Equation?

The calories equation estimates the daily calorie needs for men to lose weight based on their height, weight, age, and activity level. It calculates maintenance calories and then subtracts 500 kcal/day for safe weight loss.

2. How Does the Calculator Work?

The calculator uses the following equation:

Where:

• \( weight \) — Body weight in kilograms
• \( height \) — Height in centimeters
• \( age \) — Age in years
• \( activity\_factor \) — Multiplier based on physical activity level

Explanation: The equation first calculates basal metabolic rate (BMR), adjusts for activity level, then subtracts 500 kcal for weight loss.

3. Importance of Calorie Calculation

Details: Accurate calorie estimation helps create effective weight loss plans. A 500 kcal/day deficit typically leads to about 0.5 kg (1 lb) of weight loss per week.

4. Using the Calculator

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

5. Frequently Asked Questions (FAQ)

Q1: Why subtract 500 calories?
A: A 500 kcal/day deficit creates about 0.5 kg (1 lb) of weight loss per week, which is considered safe and sustainable.

Q2: Is this calculator only for men?
A: Yes, this specific equation is designed for men. Women should use a different equation that accounts for their metabolic differences.

Q3: How accurate is this calculation?
A: It provides a good estimate but individual variations exist. Monitor your progress and adjust as needed.

Q4: Should I eat exactly these calories?
A: Use this as a starting point. Consult a nutritionist for personalized advice, especially if you have health conditions.

Q5: What if I'm not losing weight?
A: You may need to adjust your calorie intake or activity level. Metabolic adaptations can occur during weight loss.