🐾 Pet Calculators
Feeding amounts, age conversions and tank stocking for dogs, cats and fish.
Aquarium Stocking CalculatorCheck how stocked your freshwater tank is. Pick common fish and quantities, add tank size and filter rating, and get a stocking level plus school-size warnings.Cat Age CalculatorConvert your cat's age to human years using the AAHA/AAFP chart (15 at one, 24 at two, then 4 per year) and see which veterinary life stage your cat is in.Cat Food CalculatorFind how many calories your cat needs daily and how many cans of wet food and cups of dry food that is, with any wet and dry mix, from weight and life stage.Cat Pregnancy CalculatorEnter your cat's mating date to get her kitten due date, the normal 61 to 72 day birthing window, how far along she is and a timeline of pregnancy signs.Dog Age CalculatorConvert your dog's age to human years by size (small to giant) or with the UCSD DNA-methylation formula, and see which life stage your dog is in.Chocolate Toxicity CalculatorEstimate how dangerous the chocolate your dog ate may be, using the dog's weight, chocolate type and amount. Always call your vet or pet poison control too.Dog Food CalculatorWork out how many calories and cups of food your dog needs per day from weight and life stage, plus cups per meal and how long a bag will last.Dog Pregnancy CalculatorFind your dog's due date from the breeding, ovulation or LH surge date, plus how far along she is and a week-by-week timeline of scans, prep and whelping.Dog Water CalculatorFind out how much water your dog should drink a day in ounces, cups and ml, adjusted for weight, activity, hot weather and wet or dry food, plus warning signs.Pet Cost CalculatorEstimate what a dog or cat really costs per year, per month, in the first year and over its lifetime, with editable food, vet, insurance and care costs.Puppy Weight CalculatorEstimate how big your puppy will get from its age in weeks, current weight and breed size, with how much of its adult size it has reached and when growth stops.