Pet (Cat & Dog) RER/MER Calorie & Daily Food Portion Simulator
Calculate daily metabolic energy needs (RER & MER) and exact dry food grams per meal for cats and dogs based on weight, neuter status, and food caloric density.
Formula
RER = 70 × (Weight kg)^0.75 | MER = RER × Factor | Food (g) = MER / (kcal/kg / 1000)
Source / method note
Based on the Kleiber metabolic scaling equation RER = 70 × (Weight in kg)^0.75 and WSAVA nutritional assessment guidelines.
Legal / official rate note
For dietary guidance and weight management. Consult your veterinarian for specialized clinical nutrition.
Frequently Asked Questions
What is the difference between RER and MER?
RER is basal energy needed at complete rest, while MER accounts for daily activity, growth, or reproductive/neuter status.
