Cat Pregnancy Due Date Calculator
Estimate your cat's due date and weekly milestones from the mating date. Feline gestation averages 65 days.
Average gestation: 65 days (±5).
Estimated due date
October 5, 2026
- Day 21Vet ultrasound possibleAugust 22, 2026
- Day 30Nipples enlarge, appetite growsAugust 31, 2026
- Day 45Puppies/kittens palpableSeptember 15, 2026
- Day 58Prepare whelping/queening boxSeptember 28, 2026
- Day 65Expected due dateOctober 5, 2026
Not medical advice. This tool provides general guidance based on common veterinary formulas. Always consult your veterinarian for medical decisions about your pet.
Examples
- Mated on Feb 1Due ~ April 7
- Mated on Aug 15Due ~ October 19