Pets

Dog health and care calculators

Each tool shows its formula and the veterinary source behind every number, and runs in your browser; nothing you type is stored. They are estimates, not a diagnosis. Your veterinarian knows your dog.

If your dog ate something that might be poisonous, call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 now. It answers 24 hours a day, every day; a consultation fee may apply.

Calculators

• Dog Chocolate Toxicity Calculator
  Chocolate type, amount and dog weight to a mg/kg dose range and the Merck Veterinary Manual band it falls in, with the poison control number first.
• Dog Pregnancy Due Date Calculator
  Due-date window from a breeding date or a vet-timed ovulation, LH or diestrus date, with dated ultrasound, X-ray and whelping milestones.