Tools & Resources
Calorie & Body Condition Calculators
A set of evidence-informed tools for pet owners and veterinary teams, covering daily feeding, typical weight ranges, walking energy, and step-based weight-loss planning. These tools support, but do not replace, veterinary-led assessment.
For Veterinary Professionals
Clinical planning tools
Designed for veterinary teams building structured, monitored weight-management and feeding plans.
Clinical Tool
Step-Based Weight Loss Planner
Design structured weight-loss plans for dogs and cats with built-in check-ins at each step.
Open CalculatorClinical Tool
DER/MER Energy Calculator
Calculate RER, DER, and MER for feeding plans using activity and life-stage factors.
Open CalculatorFor Pet Owners
Everyday feeding and weight tools
Estimate daily calories and compare your pet's weight to typical ranges. Results are general guidance and may vary with breed, age, and health.
Pet Owner Tool
Dog Calorie and Portion Guide
Estimate daily calories and portions for dogs based on an ideal body condition.
Open CalculatorPet Owner Tool
Cat Calorie and Portion Guide
Estimate daily calories and portions for cats based on an ideal body condition.
Open CalculatorPet Owner Tool
Dog Weight Range Estimator
Compare your dog's weight with typical ranges for their breed and size.
Open CalculatorPet Owner Tool
Cat Weight Range Estimator
Compare your cat's weight with common healthy ranges for their breed.
Open CalculatorPet Owner Tool
Dog Walking Energy Estimator
Estimate calories burned during a walk using weight, distance, time, terrain, and temperature.
Open CalculatorGet Involved
Programs and research
Help build consistent definitions, shared tools, and better data across the profession.
Initiative
Global Pet Obesity Initiative
Join organizations worldwide working toward consistent definitions, body condition tools, and evidence-informed care.
Learn more2026 Study
Pet Obesity Prevalence Survey
Clinics and universities: help build better data. Sign up to participate and receive study materials.
Clinic and University sign-upDisclaimer: These tools are educational and informational. They generally do not replace individualized advice from your veterinarian. Always consult your veterinary team before making diet or care changes.