1. What is MER for Weight Loss?

The Maintenance Energy Requirement (MER) for weight loss is calculated by reducing the Resting Energy Requirement (RER) by 20%. This creates a calorie deficit that promotes safe and sustainable weight loss.

2. How Does the Calculator Work?

The calculator uses the MER formula for weight loss:

Where:

• \( MER \) — Maintenance Energy Requirement for weight loss (kcal/day)
• \( RER \) — Resting Energy Requirement (kcal/day)
• 0.8 — 20% reduction factor for weight loss

Explanation: The equation reduces the RER by 20% to create a moderate calorie deficit that supports weight loss while maintaining health.

3. Importance of Calorie Adjustment

Details: Proper calorie adjustment is essential for safe weight loss. A 20% reduction from RER typically results in losing about 1-2 pounds per week, which is considered a healthy rate.

4. Using the Calculator

Tips: Enter your calculated RER in kcal/day. The value must be greater than 0. The calculator will automatically compute your MER for weight loss.

5. Frequently Asked Questions (FAQ)

Q1: Why use 20% reduction for weight loss?
A: A 20% reduction creates a moderate calorie deficit that promotes steady weight loss while minimizing muscle loss and metabolic slowdown.

Q2: How do I calculate my RER?
A: RER can be calculated using the formula: 70 × (body weight in kg)^0.75 or 30 × (body weight in kg) + 70 for simpler estimation.

Q3: Is this calculator suitable for everyone?
A: This provides a general guideline. Individuals with special conditions (pregnancy, illness, etc.) should consult a healthcare professional.

Q4: How often should I recalculate my MER?
A: Recalculate every 4-6 weeks or after significant weight loss (5-10% of body weight).

Q5: What if I'm not losing weight with this calorie level?
A: You may need to adjust your calorie intake further or increase physical activity. Consult a dietitian for personalized advice.