1. What is the Weight Loss Calories Calculator?

This calculator estimates the daily calorie intake needed for weight loss in females based on the Mifflin-St Jeor equation adjusted for activity level with a 500 kcal deficit for steady 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
• 500 — Calorie deficit for weight loss (approx. 0.5kg/week)

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

3. Importance of Calorie Calculation

Details: Accurate calorie estimation is crucial for sustainable weight loss while maintaining energy levels and preventing muscle loss.

4. Using the Calculator

Tips: Enter weight in kg, height in cm, age in years, and select your activity level. For best results, use morning measurements before eating.

5. Frequently Asked Questions (FAQ)

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

Q2: Is this calculator only for females?
A: Yes, this specific calculator uses the female version of the Mifflin-St Jeor equation. The male version has different constants.

Q3: How accurate is the activity factor?
A: Activity factors are estimates. If weight loss isn't occurring as expected after several weeks, adjust the activity factor or calorie intake.

Q4: Should I eat exactly these calories?
A: This is a starting point. Monitor your progress and adjust as needed based on your body's response.

Q5: What if I'm not losing weight?
A: Consider tracking food more carefully, reassessing your activity level, or consulting a healthcare professional.