Pet Nutrition Calculators
Start with the full pet nutrition wizard, or jump to a specialized tool for feeding, hydration, or age conversion.
Main pet nutrition calculator
Pet Nutrition Calculator
Use our complete pet nutrition wizard to calculate the perfect portion for your dog or cat. Choose pet type, breed, body condition, activity level, and food calorie density for vet-informed MER and portion guidance.
Feeding calculators
Dog Feeding Calculator
Use our vet-informed dog feeding calculator to estimate daily calorie needs (MER) and food portions. Enter your dog's weight, activity level, and food calorie density for personalized meal guidance.
Open calculatorPuppy Feeding Calculator
Growing puppies need more calories per kg than adult dogs. This puppy feeding calculator applies a higher MER multiplier for growth and helps you split daily portions across multiple meals.
Open calculatorCat Feeding Calculator
Cats have different metabolic needs than dogs. Use this cat feeding calculator to estimate daily MER and portion sizes based on your cat's weight, body condition, and food calorie density.
Open calculator
Water intake calculators
Dog Water Intake Calculator
Proper hydration supports kidney health, digestion, and temperature regulation. Estimate your dog's daily water needs based on body weight, activity, and diet type.
Open calculatorCat Water Intake Calculator
Cats are prone to low thirst drive, making hydration monitoring important. Calculate estimated daily water needs and consider wet food or fountains to boost intake.
Open calculator
Age calculators
Dog Age Calculator
The old "one dog year equals seven human years" rule oversimplifies aging. This calculator uses a size-based chart reflecting that small and large breeds age differently.
Open calculatorCat Age Calculator
Convert your cat's age to human years using a standard feline aging chart. Year one equals about 15 human years, with four human years added per cat year after age two.
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Breed-Specific Feeding Calculators
Browse feeding calculators tailored to your dog or cat breed with unique guidance and portion estimates.