Pet Calculators

Interactive tools for feeding, health, housing and life-stage questions. Each one shows the numbers and the method, so you have a clear starting point before you talk to your vet.

Dog calculators

DogDog calorie calculatorDaily energy target and portions for puppies, adults and seniors.Open toolDogChocolate toxicity calculatorTheobromine dose in mg/kg and what to do next.Open toolDogPuppy weight calculatorPredict adult size from current weight, age and breed.Open toolDogCrate size calculatorRecommended crate length from your dog’s weight range.Open tool

Cat calculators

CatCat calorie calculatorDaily kcal, cups and cans from weight and the food label.Open toolCatCat weight calculatorKitten growth, adult size and a healthy weight range by age.Open toolCatLitter box calculatorHow many boxes you need for the cats in the house.Open tool

General pet calculators

Dog, cat, rabbit, horsePet age calculatorConvert pet years to human-year equivalents by species.Open toolDog, cat, rabbitWater intake calculatorDaily drinking target from species and body weight.Open toolDog & catBreathing rate calculator30-second resting breath count for dogs and cats.Open toolDog & catIdeal weight calculatorTarget weight, timeline and calories from body condition.Open toolDog, cat, rabbitPregnancy due dateExpected kindling or whelping date from the breeding day.Open tool

Other calculators

FishTank volume calculatorGallons and litres from length, width and height.Open tool