Free calculators for dog and cat owners

Quick answers for dog and cat owners. Each calculator shows the math and comes with a short guide.

Calculators

Feeding

• Dog Food CalculatorDaily calories and cups of food for your dog by weight and life stage.
• Cat Food CalculatorDaily calories, cans of wet food and cups of dry food for your cat.
• Raw Dog Food CalculatorHow much raw food to feed, with the meat, bone and organ split.
• Dog Water Intake CalculatorHow much water your dog should drink a day, and when it is too much.

Health and safety

• Dog Chocolate Toxicity CalculatorDid your dog eat chocolate? Estimate the dose and how serious it is.

Age and growth

• Dog Age CalculatorDog years to human years by size, not the old 7x rule.
• Cat Age CalculatorCat years to human years, with life stages.
• Puppy Weight CalculatorEstimate how big your puppy will be as an adult.

Pregnancy

• Dog Pregnancy CalculatorWhelping due date and pregnancy timeline from the breeding date.
• Cat Pregnancy CalculatorKitten due date and pregnancy timeline from the mating date.

Home and gear

• Dog Crate Size CalculatorThe right crate size from your dog's length and height.
• Aquarium Volume CalculatorGallons and liters for rectangle, cylinder and bow-front tanks.