Tools & Resources
Calorie & Body Condition Calculators
Quick links for pet owners and veterinary teams. Choose a tool below for daily feeding, common-weight ranges, and Step Weight-Loss planning.
For Pet Owners
Pet Owners
Dog Daily Feeding Calculator
See how many calories and portions your dog needs each day, based on an ideal body condition.
Pet Owners
Cat Daily Feeding Calculator
See how many calories and portions your cat needs each day, based on an ideal body condition.
Pet Owners
Dog Weight-Range Calculator
Not sure what “ideal” looks like? Compare your pet’s weight to typical ranges for their breed and size.
Pet Owners
Cat Weight-Range Calculator
Check your cat’s weight against common healthy ranges for their breed.
For Veterinary Professionals
Veterinary Calculator
Step Weight-Loss Calculator
Our veterinary step weight loss calculator helps design safe, evidence-based plans for dogs and cats, supported by structured check-ins along the way.
Veterinary Calculator
Daily Energy Needs (DER/MER) Calculator
Calculate RER, DER and MER. Designed for veterinarians to create accurate feeding plans using RER × activity/life stage factors.
Global Pet Obesity Initiative
Join organizations worldwide working toward consistent definitions, BCS tools, and evidence-based care.
Learn more2026 Pet Obesity Prevalence Survey
Clinics and universities: help build better data. Sign up to participate and receive study materials.
Clinic & University sign upDisclaimer: These tools are educational and informational. They do not replace individualized advice from your veterinarian. Always consult your veterinary team before making diet or care changes.