Pet Calorie Calculator
Calculate daily calorie needs for dogs and cats
Please enter your pet's weight to start calculating
Why Calorie Counting Matters
Obesity is the number one health issue in pets. Overweight dogs and cats face higher risks of diabetes, joint disease, heart problems, and shorter lifespans. Conversely, underfeeding leads to nutritional deficiencies, weakness, and compromised immunity. This calculator uses the RER (Resting Energy Requirement) formula — your pet's baseline energy needs — then adjusts with MER (Maintenance Energy Requirement) factors based on age, activity level, and neuter status to provide the most appropriate daily calorie target.
Frequently Asked Questions
Do puppies really need more calories than adult dogs?
Yes. Puppies need roughly twice the calories per kilogram of body weight compared to adult dogs because their bodies are actively growing and developing. Feed a puppy-specific food formulated with complete nutrients for growth.
How much fewer calories do neutered pets need?
Neutered pets have a metabolic rate roughly 20–30% lower than intact animals, so they need fewer calories. Keeping the same food portions after neutering can lead to rapid weight gain. Adjust portions according to your vet's recommendations.
How many meals per day should I feed my pet?
Adult dogs and cats do best with 2 meals per day. Puppies and kittens need 3–4 meals because their stomachs are smaller. Splitting meals helps regulate blood sugar and can prevent bloat (gastric dilatation-volvulus) in large breed dogs.