Animal Calculators
Handy tools for pet owners and breeders — convert your dog or cat's age into human years, and estimate gestation due dates across common species.
Dog Food Calculator New
Cat Food Calculator New
Dog Chocolate Toxicity Calculator New
Dog Benadryl Dosage Calculator New
Dog Age Calculator New
Cat Age Calculator New
Animal Gestation Calculator New
Understand your animals' timelines
Pets and livestock age and reproduce on very different clocks from us. Our animal calculators translate a dog or cat's age into familiar human years using vet-based charts, and count forward from a breeding date to a species' due date. They're quick estimates to help you plan care, check-ups and birthing — never a replacement for a veterinarian.
CalcPine's animal tools are for general guidance only and are not veterinary advice. For health, pregnancy and care decisions, consult a qualified veterinarian.
Frequently asked questions
Are dog and cat ages calculated the same way?
No. Cats age at a fairly steady rate, while dogs age faster the larger they are, so the dog tool asks for breed size.
How accurate are the gestation dates?
They use average gestation lengths and show a range, but individual timing varies — always confirm with a vet.