Pet Pregnancy Calculator - Pet Calculator

Pet Pregnancy & Gestation Calculator

Calculate estimated due date, gestation milestones, trimester timeline, and recommended veterinary prep dates for dogs, cats, rabbits, guinea pigs, and horses.

Animal / Pet Species

Mating / Breeding Date

Gestation Duration (Days) Pre-filled with average duration for selected species.

Breeding Occurrence

Estimated Due Date / Whelping Date —

Expected Delivery Window: —

Current Gestational Progress: —

Earliest Ultrasound Confirmation: —

Earliest Palpation / X-Ray Date: —

Prepare Nesting / Whelping Box By: —

*Note: Normal gestation can vary by a few days depending on breed, litter size, and exact ovulation timing. Schedule a diagnostic ultrasound (around Day 25–30) or X-ray (around Day 45–50) with your veterinarian for accurate puppy/kitten count and health checks.