Quick, free calculators for dog and cat owners — from due dates and heat cycles to daily calories and the foods that are dangerous for pets. Each one shows how it works and where its numbers come from, so you can check them with your vet.
- Dog Age CalculatorYour dog’s age in human years, adjusted for size.
- Cat Age CalculatorCat years to human years, with life stage.
- Dog Pregnancy Due Date CalculatorDue date and week-by-week milestones from the mating date.
- Cat Pregnancy Due Date CalculatorWhen the kittens are due, and what happens each week.
- Dog Heat Cycle CalculatorPredict your dog’s next seasons and the likely fertile days.
- Dog Calorie CalculatorDaily calories and cups of food for your dog.
- Cat Calorie CalculatorHow much your cat should eat each day.
- Dog Chocolate Toxicity CalculatorDid your dog eat chocolate? Check how serious it could be.
- Can My Dog or Cat Eat This?Search 60+ human foods: safe, limit, or toxic.
These tools give general estimates for healthy pets. They are not a diagnosis. If your pet is unwell or has eaten something harmful, contact a vet straight away.