Pet Ownership
Dog years, food portions, puppy growth, lifetime costs, and aquarium sizing — the everyday numbers of caring for a pet.
Calculators
5 tools- petDog Age Calculator (Human Years, Size-Adjusted)Convert your dog age into human years the AKC way, adjusted for body size — not the old myth of multiplying by seven. Enter age and size for a real estimate.
- petDog & Cat Food Portion CalculatorEstimate how much to feed a dog or cat from ideal weight and activity using the vet RER formula. Enter weight and food calories to get daily cups to serve.
- petPuppy Adult Weight PredictorPredict your puppy adult weight from its current weight and age in weeks, with a size-class note. Enter the numbers to see the grown-up size to expect.
- petPet Cost Calculator (First-Year & Lifetime)Add up the true cost of a pet: first-year and lifetime. Enter monthly food, vet, insurance, and supplies plus setup cost to see what it really adds up to.
- petAquarium Volume & Stocking CalculatorWork out your fish tank volume and stocking capacity. Enter length, width, and height in inches to get gallons, litres, inch-of-fish, and heater wattage.