Resting Energy Requirement (RER) Formula:
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Definition: RER is the number of calories a dog needs at rest to maintain basic bodily functions.
Purpose: It helps pet owners and veterinarians determine appropriate food portions for maintaining a healthy weight.
The calculator uses the formula:
Where:
Explanation: The formula accounts for metabolic scaling where energy needs don't increase linearly with body weight.
Details: Proper calorie estimation prevents obesity or malnutrition and supports overall canine health.
Tips: Enter your dog's weight in kilograms. For pounds, divide by 2.205 to convert to kg.
Q1: Is RER the same as daily calorie needs?
A: No, RER is the base requirement. Active dogs may need 1.2-5× RER depending on activity level.
Q2: What if my dog is overweight?
A: Use ideal weight rather than current weight for calculation.
Q3: How accurate is this formula?
A: It's a good estimate for most dogs, but individual needs may vary by breed, age, and health status.
Q4: What about puppies?
A: Puppies typically need 2-3× RER for growth.
Q5: How often should I recalculate?
A: Recalculate whenever your dog's weight changes significantly.