Typical giant dogs are fed by current weight, activity, and body condition—not by the scoop on the bag. This giant dog feeding calculator starts from about 55 kg and converts vet-informed RER/MER calories into a daily portion. Example breeds: Great Dane, Mastiff, Newfoundland. Use the result with a kitchen scale and your veterinarian’s guidance.
Step 1 of 4
Pet Details
Tell us about your Dog
Giant Dog feeding tips
Enter your dog’s current weight—size-class averages are only a starting point.
Match activity to a typical week, not a single energetic day.
Use the calorie statement on the food you actually feed.
Recalculate after weight, lifestyle, or food changes.
Health notes
Giant Dog calorie needs still vary with spay/neuter status, extra weight, and medical diets.
Work with your veterinarian if your pet has a clinical feeding plan.
