1. What is RER and MER?

RER (Resting Energy Requirement) is the number of calories a dog needs at complete rest. MER (Maintenance Energy Requirement) is the actual caloric need including activity level and life stage factors.

2. How Does the Calculator Work?

The calculator uses these equations:

Where:

• \( weight_{kg} \) — Dog's weight in kilograms
• \( factor \) — Activity/life stage multiplier (1.2-2.5)

Explanation: The equation accounts for metabolic scaling where larger animals need relatively fewer calories per kilogram than smaller animals.

3. Importance of Calorie Calculation

Details: Proper calorie calculation helps maintain ideal body weight, prevents obesity or malnutrition, and supports optimal health for different life stages and activity levels.

4. Using the Calculator

Tips: Weigh your dog accurately. Select the appropriate factor based on life stage and activity level. For weight loss, typically feed 80% of MER.

5. Frequently Asked Questions (FAQ)

Q1: How do I convert my dog's weight from pounds to kg?
A: Divide pounds by 2.205 to get kilograms (e.g., 20 lbs ÷ 2.205 = 9.07 kg).

Q2: What if my dog is overweight?
A: Use ideal weight, not current weight, and consult your vet for a weight loss plan.

Q3: How accurate are these calculations?
A: They're estimates. Individual needs vary by breed, metabolism, and environment.

Q4: Should I adjust for senior dogs?
A: Yes, senior dogs may need 10-20% fewer calories than adult maintenance.

Q5: How often should I recalculate?
A: Recalculate after significant weight change, activity level change, or life stage transition.